GB0-381-ENU Online Dumps Boost Your Career

1. After the various routers in the diagram establish IS-IS neighbor relationship and achieve synchronization, there are ______ routers that have sent CSNP messages. (Multiple choice)

2. Regarding the implementation of BGP load sharing, which is correct? (Multiple choice)

3. After executing the displaospf lsdb command on the MSR router RTA, the output of the router is as follows:





From the above output it can be concluded that _______.(Multiple choice)

4. In IS-IS, the link state information of both Level-1 and Level-2 is _______.

5. In the topology shown in the figure, perform the following configurations on RTA, RTB, and RTC respectively:

RTA-GigabitEthernet0/0] ip address 192.168.2.1 255.255.255.0

RTA] ospf 1 router-id 1.1.1.1

RTA-ospf-1] area 1

RTA-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255

RTB-GigabitEthernet0/0] ip address 192.168.2.2 255.255.255.0

RTB-GigabitEthernet0/1] ip address 192.168.3.1 255.255.255.0

RTB] ospf 1 router-id 2.2.2.2

RTB-ospf-1] area 1

RTB-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255

RTB-ospf-1] area 0

RTB-ospf-1-area-0.0.0.0] network 192.168.3.0 0.0.0.255

RTB-ospf-1] import-route direct

RTC-GigabitEthernet0/0] ip address 192.168.3.2 255.255.255.0

RTC] ospf 1 router-id 3.3.3.3

RTC-ospf-1] area 0

RTC-ospf-1-area-0.0.0.0] network 192.168.3.0 0.0.0.255

Then the LSA types generated by RTB in the OSPF area are_______(Multiple choice)

6. In the topology shown in the figure, perform the following configurations on RTA, RTB, RTC, and RTD respectively:

RTA] ospf 1 router-id 1.1.1.1

RTA-ospf-1] area 0

RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255

RTA-ospf-1-area-0.0.0.0] network 1.1.1.1 0.0.0.0

RTB] ospf 1 router-id 2.2.2.2

RTB-ospf-1] area 0

RTB-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255

RTB-ospf-1-area-0.0.0.0] network 2.2.2.2 0.0.0.0

RTB-ospf-1] area 1

RTB-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255

RTC] ospf 1 router-id 3.3.3.3

RTC-ospf-1] area 1

RTC-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255

RTC-ospf-1] area 2

RTC-ospf-1-area-0.0.0.2] network 192.168.3.0 0.0.0.255

RTC-ospf-1-area-0.0.0.2] network 3.3.3.3 0.0.0.0

RTD] ospf 1 router-id 4.4.4.4

RTD-ospf-1] area 2

RTD-ospf-1-area-0.0.0.2] network 192.168.3.0 0.0.0.255

RTD-ospf-1-area-0.0.0.2] network 4.4.4.4 0.0.0.0

Then the routes that can be observed on the RTD are _________(Multiple choice)

7. In the BGP protocol message, the function of the Update message is______(Multiple choice)

8. With regard to the Stub area and NSSA area of the OSPF protocol, which of the following statements are wrong? (Multiple choice)

9. In the network shown in the figure, the BGP route learning between routers is normal, and the BGP route attributes all take default values.

After importing route 8.0.0.0 into BGP on RTA, if the next hop of route 8.0.0.0 on RTD is to point to RTB, the following adjustment methods are ______.(Multiple choice)

10. In the network shown in the figure, if RTA is required to access the 2::/64 network segment of RTB, which of the following commands needs to be configured on RTA?

11. In the topology shown in the figure, perform the following configurations on RTA and RTB respectively:

RTA] ospf 1

RTA-ospf-1] area 1

RTA-ospf-1-area-0.0.0.1] network 1.1.1.1 0.0.0.0

RTA-ospf-1-area-0.0.0.1] network 10.0.0.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.1.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.4.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.7.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.8.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.15.0 0.0.0.255

RTB] ospf 1

RTB-ospf-1] area 1

RTB-ospf-1-area-0.0.0.1] network 10.0.0.0 0.0.0.255

RTB-ospf-1-area-0.0.0.1] area 0

RTB-ospf-1-area-0.0.0.1] abr-summar192.168.0.0 255.255.248.0

Which of the following routes may exist in the RTC routing table? (Multiple choice)

12. 1. L is a network design engineer. In a certain network project, in order to reduce the complexity, L designed the network to adopt a two-layer architecture, and the functions of the access layer were incorporated into the aggregation layer. When designing, L considered that the core layer needs to have a fast convergence function, and the aggregation layer performs route aggregation to reduce the number of routes. Among the following routing protocols, which one should L use as the routing protocol at the aggregation layer? (Multiple choice)

13. As shown in the figure, RTA and RTB are connected through an IPv6 Over IPv4 manual tunnel, and OSPFv3 is run on each IPv6 interface, then there are ______ IPv6 routes learned by OSPFv3 on RTA.

14. In the network shown in the figure, dynamic routing protocols are not enabled between all routers, and only static routing can be configured. Then the correct configuration on the RTE should be _________.

15. In the network composed of the following three ASs, AS200 advertises the route 10.1.1.0/24 of the local network segment to the outside. The main equipment configuration is as follows.

RTA :

bgp 100

dampening

undo snchronization

peer 1.1.1.1 as-number 200

peer 2.2.2.2 as-number 300

peer 1.1.1.1 ebgp-max-hop 2

peer 1.1.1.1 connect-interface LoopBack0

peer 2.2.2.2 ebgp-max-hop 2

peer 2.2.2.2 connect-interface LoopBack0

RTB :

bgp 200

network 10.1.1.0 255.255.255.0

undo snchronization

peer 10.10.10.10 as-number 100

peer 10.10.10.10 ebgp-max-hop 2

peer 10.10.10.10 connect-interface LoopBack0

The attenuation value of the system is 1000 each time, and the default parameters for attenuation are:

Ceiling Value: 16000

Reuse Value: 750

Reach Half Life Time(in second): 900

Unreach Half Life Time(in second): 900

Suppress-Limit: 2000

Then, after the local network segment 10.1.1.0/24 of RTB has ____ times of shocks (recovery immediately after the interruption), the route will no longer exist on RTC until the penalty value of the route of RTB is less than ____.

16. Which of the following statements about IS-IS and OSPF is correct? (Multiple choice)

17. Regarding the first type of external routing and the second type of external routing in OSPF, which of the following statements is correct? (Multiple choice)

18. Among the following routing protocols, the one that belongs to EGP is ______, and the one that uses link state algorithm is ______.

19. When using IS-IS, which of the following statements are correct for IS in a certain Area? (Multiple choice)

20. The interface part of a router is configured as follows: According to the above information, it can be judged that the tunnel type of the Tunnel0 interface is ____.

21. In the IS-IS network shown in the figure, the adjacency relationship between routers is established normally, and routes can be learned from each other.

Which routers in the figure must be Level-1-2 routers? (Multiple choice)

22. 168.1.1/32 DIRECT 0 0 127.0.0.1 InLoopBack0

At the same time, configure the following command on the router:

bgp 65400

network 172.16.0.0

network 192.168.1.0

network 10.0.0.0

Based on the above information, which of the following BGP routes should exist in the router's BGP routing table? (Multiple choice)

23. The output of displaospfv3 route on a router is as follows:

E1 - Tpe 1 external route, IA - Inter area route, I - Intra area route

E2 - Tpe 2 external route, * - Selected route

OSPFv3 Router with ID （ 2.2.2.2) （ Process 1)

------------------------------------------------------------------------

*Destination: 1::1/128

Tpe: IA Cost: 1562

NextHop: FE80::1 Interface: Tun1

*Destination: 2::2/128

Tpe: I Cost: 0

NextHop: directl-connected Interface: Loop0

*Destination: 3::3/128

Tpe: IA Cost: 1562

NextHop: FE80::3 Interface: Tun3

*Destination: 2009:1::/64

Tpe: IA Cost: 1563

NextHop: FE80::1 Interface: Tun1

*Destination: 2009:2::/64

Tpe: I Cost: 1

NextHop: directl-connected Interface: Vlan1

*Destination: 2009:3::/64

Tpe: IA Cost: 1563

NextHop: FE80::3 Interface: Tun3

There are ______ cross-area routes learned by this router.

24. The administrator wants to configure the RIP routing priority value to be 60 on the MSR router. Which of the following commands is correct?

25. As shown in the figure, both PC1 and PC2 establish ISATAP tunnels with RTC, and the IPv6 message ______ sent from PC2 to PC1 is forwarded by RTC, and the encapsulated IPv4 destination address is ______.

26. In the IS-IS network shown in the figure, RTB is configured with route aggregation.

Which of the following routes are included in the IS-IS routing table of RTC?

27. RTA and RTB are not directly interconnected, and are located in autonomous systems 100 and 200 respectively. The loopback 0 address of RTA is 1.1.1.1, and the loopback address of RTB is 0 2.2.2.2.





If an EBGP neighbor relationship is established between RTA and RTB using loopback0, which of the following configurations is correct on RTA?

28. Each OSI network device is networked as shown in the figure, and there are ______ ES in the OSI network.

29. Host A and Host B are on the same Ethernet link. After host A receives the NS packet from host B, it records the correspondence between host B's IPv6 address and the link layer address in the neighbor cache table.

At this time, the host is on A, and the neighbor status of host B is _________.

30. As shown in the figure, RTA is the border router of OSPF routing and BGP routing domain. If a BGP route with a MED value of 100 is imported into OSPF on RTA, then by default, RTB learns that the COST value of this route is ______.

31. L is a network design engineer. In a certain network project, in order to reduce the complexity, L designed the network to adopt a two-layer architecture, and the functions of the access layer were incorporated into the aggregation layer. When designing, L considered that the core layer needs to have a fast convergence function, and the aggregation layer performs route aggregation to reduce the number of routes. Among the following routing protocols, which one should L use as the core layer routing protocol? (Multiple choice)

32. LSAs of type ______ will definitely not be injected into the OSPF TotalStub area. (Multiple choice)

33. The topology of a certain network is complex, and there are multiple paths between the core and branches. In order to control the routing between the core and branches, effectively utilize bandwidth resources, and reduce maintenance costs, which of the following measures is optimal?

34. A network is shown in the figure, in which all routers are correctly configured with OSPFv3.

Then RTA ______ establishes a neighbor relationship with RTB, and the source address of the OSPFv3 packet sent by RTB is _______.

35. The network is shown in the figure. RTA and RTB are route reflectors, and RTC and RTD are route reflector clients. RTC and RTD need to learn BGP routes from each other. How should I plan to reduce repeated routing information transmission and for maximum reliability?

36. In the network shown in the figure, the BGP route learning between routers is normal, and the BGP route attributes all take default values.

After introducing route 9.0.0.0 into BGP on RTD, if the next hop of route 9.0.0.0 on RTA is to point to RTC, which of the following adjustment methods are feasible? (Multiple choice)

37. The advantages of route aggregation include _________.(Multiple choice)

38. In the network shown in the figure, the BGP route learning between routers is normal, and the BGP route attributes are all removed from the default values.

After importing the route 100.10.1.0/24 into BGP on RTA, what is the next hop of 100.10.1.0/24 in the BGP routing table of RTD?

39. As shown in the figure, RTB, RTC and RTA establish IBGP peers, and RTA is the reflector of RTB and RTC. Currently RTA and RTC are the egress routers connected to the Internet. In order for RTB to access the Internet via RTA or RTC, configure default routes on RTA and RTC and issue them with the network command.

which of the following statements are correct? (Multiple choice)

40. Run the command on the router and its display information is as follows:

displaisis peer

Peer information for ISIS(1)

----------------------------

Stem ID: 2222.2222.2222

Interface: Eth0/0 Circuit Id:

State: Up HoldTime: 27s Tpe: L1 PRI: 16

Stem ID: 3333.3333.3333

Interface: Tun3 Circuit Id:

State: Up HoldTime: 25s Tpe: L2 PRI: --

From the above information, we can know that RTA______.(Multiple choice)

41. Execute the following command on the MSR router RTA





The router of OSPE process 1 of RTA can be judged from the following configuration ID is

42. Which of the following description about the address prefix list is incorrect? (Multiple choice)

43. Which of the following functions does IPv6 Neighbor Discovery not support? (Multiple choice)

44. The route learned through the OSPFv3 process belongs to which type of IPv6 route?

45. You can configure IPv6 static neighbor entries through the command _______.

46. In the OSPF protocol, when the interface network type is P2P (point-to-point), the default Hello time interval and neighbor failure time are ______ respectively.

47. Regarding the filter-polic filter, which of the following statements are incorrect? (Multiple choice)

48. In the topology shown in the figure, execute the following command on the RTA router:

RTA-ospf-1] default-route-advertise alwa

RTA] ip route-static 0.0.0.0 0.0.0.0 192.168.0.2

The default route cannot be observed in the routing table of the RTC router, possibly due to ______

49. In the network shown in the figure, OSPF 100 runs on RTA, RTB and RTC, and RTA and RTB respectively establish EBGP neighbor relationship with RTD.





AS 200 advertises the route 10.10.10.0/24 to AS 100, and sets the MED value of the route advertised to RTA to 100, and the MED value of the route advertised to RTB to 200.

The main configurations of RTA and RTB are as follows:

RTA]

bgp 100

peerRTD as-number 200

peerRTB as-number 100

ospf 100

import-route bgp cost 10

RTB]

bgp 100

peerRTD as-number 200

peerRTA as-number 100

ospf 100

import-route bgp cost 20

The user wants RTC to prefer RTA when accessing 10.10.10.0/24, but it turns out that RTC chooses RTB for data forwarding.

How should appeals be resolved?

50. In the IS-IS network shown in the figure, RTA, RTC, RTD, and RTE establish Level-2 adjacency relationships with each other. RTB establishes Level-1 adjacency relationships with RTA and RTC. After the routing of each router is stable, when RTB accesses 192.168.14.1, the next hop is selected as _________.

If RTA and RTC add the following configurations respectively at this time:

RTA-isis-1] import-route isis level-2 into level-1

RTC-isis-1] import-route isis level-2 into level-1

Then when RTB accesses 192.168.14.1, the next hop is ________.

51. As shown in the figure, RTA and RTB use GRE tunnel technology to ensure IPv6 mutual access, then please select the correct command to fill in the blanks in the following configuration.

RTA] ipv6

RTA] interface E0/0

RTA-Ethernet0/0]ip address 119.145.22.193

RTA-Ethernet0/0]interface e0/1

RTA-Ethernet0/1]ipv6 address 1::A 64

RTA-Ethernet0/1] undo ipv6 nd ra halt

RTA-Ethernet0/1] interface tunnel 0

RTA-Tunnel0] source e0/0

RTA-Tunnel0]____________________________

RTA-Tunnel0]ipv6 address auto link-local

RTA-Tunnel0] ipv6 route-static 2:: 64 tunnel 0

RTB]ipv6

RTB] interface E0/0

RTB-Ethernet0/0]ip address 121.9.14.210

RTB-Ethernet0/0]interface e0/1

RTB-Ethernet0/1]ipv6 address 2::B 64

RTB-Ethernet0/1]undo ipv6 nd ra halt

RTB-Ethernet0/1]interface tunnel 0

RTB-Tunnel0]source e0/0

RTB-Tunnel0]destination 119.145.22.193

RTB-Tunnel0]ipv6 address 2009::2 112

RTB-Tunnel0]________________________

52. The following is the information of a router executing displanatpt session all:

NATPT Session Info:

No IPV6Source IPV4Source Pro IPV6Destination IPV4Destination

1 96::309:201^57259 3.9.1.28^12288 ICMP 2009:11:30::309:201^0 3.9.2.1^0

From this information, we can know that NATPT is of _______ type, and the access is initiated by _______.

53. In the network composed of the following three ASs, AS200 advertises the route 10.1.1.0/24 of the local network segment to the outside.

The main equipment configuration is as follows.

RTA :

bgp 100

dampening

undo snchronization

peer 1.1.1.1 as-number 200

peer 2.2.2.2 as-number 300

peer 1.1.1.1 ebgp-max-hop 2

peer 1.1.1.1 connect-interface LoopBack0

peer 2.2.2.2 ebgp-max-hop 2

peer 2.2.2.2 connect-interface LoopBack0

RTB :

bgp 200

network 10.1.1.0 255.255.255.0

undo snchronization

peer 10.10.10.10 as-number 100

peer 10.10.10.10 ebgp-max-hop 2

peer 10.10.10.10 connect-interface LoopBack0

The attenuation value of the system is 1000 each time , and the default parameters for attenuation are:

Ceiling Value: 16000

Reuse Value: 750

Reach Half Life Time(in second): 900

Unreach Half Life Time(in second): 900

Suppress-Limit: 2000

Then, after the local network segment 10.1.1.0/24 of RTB has ____ times of shocks (recovery immediately after the interruption), the route will no longer exist on RTC until the penalty value of the route of RTB is less than ____.

54. XZ company requires to build its network according to the modular enterprise network architecture. XZ company has 1 research and development base in Shenzhen and Xi'an; one office building in Beijing and Shanghai; offices with more than 50 people in 23 provincial capital cities; small offices with no more than 8 people in 200 small and medium cities; There are usually more than 200 marketing and technical personnel on business trips at any time, and some of them are often located in areas lacking Internet access and can only dial-up to the headquarters through the telephone network. Due to environmental and cost issues, some offices do not have access to headquarters via leased lines or PSWAN connections. According to these circumstances, the network module that XZ company should have ________.(Multiple choice)

55. Among the following statements about PBR (policy-based-route, policy-based routing) load sharing applications, which statement is wrong?

56. What type of LSA is definitely not present in the OSPF Stub area? (Multiple choice)

57. Run the command on the router and its display information is as follows:





From the above information, we can know that RTB has ______ IS-IS Level-2 routes sent to neighbors through LSP.

58. In the IS-IS network shown in the figure, the authentication part of each router is configured as follows

RTA-Serial2/0] isis authentication-mode md5 h3c

RTB-isis-1] area-authentication-mode md5 h3c

RTC-isis-1] domain-authentication-mode md5 h3c

Then RTA and RTB______ synchronize LSDB, and RTB and RTC______ synchronize LSDB.

59. As shown in the figure, the MSR router in the headquarters is connected to the branch through two 100Mbps Ethernet links. To make full use of the existing bandwidth resources, which of the following routing schemes is the best?

60. The networking is as shown in the figure, RTA, RTB, RTC, and RTD are located in the same AS 100, OSPF is running internally and only the loopback routes of each router are advertised.





Except the OSPF cost between RTB and RTC is 15, the OSPF cost of other interconnection links is 10.

At the same time, the BGP protocol is running on the network, and RTD is the BGP route reflector of RTA, RTB, and RTC. There is no iBGP neighbor established between the reflector clients, and RTA and RTB will be directly connected to the network segment 1.0.0.0/24. Use the network command to import into BGP. Which of the following statements is correct?

61. In the BGP priority process, each attribute has a different priority.

Which of the following permutations are correct regarding the precedence of these attributes? (Multiple choice)

62. The network is shown in the figure, eBGP is running between AS 100, AS 200, and AS 300, and the ATM link between RTC and RTA, RTC and RTB is connected, and ATM OAM is not enabled. If the ATM link between RTC and RTA is interrupted, how long does it take for the route about AS 100 on RTC to be switched to the ATM link between RTC and RTB?

63. If the fast forwarding function is enabled on the router, which of the following operations will be performed when the last packet of the data flow arrives at the interface?

64. The messages periodically sent by IS-IS on P2P type links are ______.

65. In the IS-IS network shown in the figure, the authentication part of each router is configured as follows:

RTA-Serial2/0] isis authentication-mode md5 h3c

RTB-isis-1] area-authentication-mode md5 h3c

RTC-isis-1] domain-authentication-mode md5 h3c

Then on the RTB, the state of the RTA neighbor relationship is ______; and the RTC______RTB Level-1 LSP message

66. In the IS-IS network shown in the figure, RTA and RTB are configured as follows:

RTA] isis

RTA-isis-1] network-entit01.1111.1111.1111.00

RTA-isis-1] interface serial 2/0

RTA-Serial2/0] isis enable 1

RTB] isis 2

RTB-isis-2] network-entit01.2222.2222.2222.00

RTB-isis-2] interface serial 1/0

RTB-Serial1/0] isis enable 2

RTB-Serial1/0] isis circuit-level level-2

Then the ______ between RTA and RTB

67. In the OSPF protocol, the types of LSAs that cannot be aggregated by ASBR are_______(Multiple choice)

68. Level-2 routing exists in ________.

69. In the network shown in the figure, correct IP addresses have been configured on RTA, RTB and RTC.

Execute the following commands on the three routers RTA, RTB, and RTC:

RTA-Serial5/0] ospf dr-priorit100

RTA] ospf 1 router-id 1.1.1.1

RTA-ospf-1] area 0

RTA-ospf-1] peer 192.168.1.2

RTA-ospf-1] peer 192.168.1.3

RTA-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.2

RTB] ospf 1 router-id 2.2.2.2

RTB-ospf-1] area 0

RTB-ospf-1] peer 192.168.1.1

RTB-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255

RTC] ospf 1 router-id 3.3.3.3

RTC-ospf-1] area 0

RTC-ospf-1-area-0.0.0.0] network 192.168.1.0 0.0.0.255

Judging from the above configuration, ________

70. The advantages of DR/BDR election in the OSPF protocol include______.(Multiple choice)

71. In the NSAP address 06.2400.0001.0020.0300.01, which part is the area address?

72. In the alliance deployment shown in the picture, which of the following statements are correct? (Multiple choice)

73. The advantages of a hierarchical network model include _______. (Multiple choice)

74. In the network shown in the figure, the BGP route learning between routers is normal, and the BGP route attributes are all removed from the default values.

After importing the route 100.10.1.0/24 into BGP on RTA, what is the next hop of 100.10.1.0/24 in the BGP routing table of RTE?

75. If the fast forwarding function is enabled on the router, which of the following operations will be performed when the first packet of the data flow arrives at the interface?

76. On the MSR router, the default OSPF link cost values of Gigabit Ethernet, 100M Ethernet and 10M Ethernet are respectively?

77. As shown in the figure, 4 routers are connected to one Ethernet link. The router interface is a broadcast network type. Judging from the information in the figure, there are ________ IS-IS adjacencies on the Ethernet link.

78. 0.0.255

RTC-ospf-1] import-route direct

RTD-LoopBack0] ip address 4.4.4.4 255.255.255.255

RTD]ospf 1

RTD-ospf-1]area 2

RTD-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255

RTD-ospf-1-area-0.0.0.2]network 4.4.4.4 0.0.0.0

RTD-ospf-1-area-0.0.0.2]nssa

Possibility of injection in the bone-dried area _______(Multiple choice)

79. In the topology shown in the figure, perform the following configurations on RTA and RTB respectively

RTA-ospf-1-area-0.0.0.1] network 192.168.0.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.1.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.3.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.4.0 0.0.0.255

Now it is required that the RTC must not learn the routes configured in the above RTA, what configurations can be performed on the router? (Multiple choice)

80. 4444.4444.00-01 0x0000006f 0x8952 1098 65 0/0/0

SOURCE 4444.4444.4444.00

IP-Internal 10.3.4.0 255.255.255.252 COST: 10

IP-Internal 10.2.4.0 255.255.255.252 COST: 10

IP-Internal 172.16.4.1 255.255.255.255 COST: 0

From the above information we can know that _________.(Multiple choice)

81. Which of the following address prefix lists matches the default route?

82. Regarding the implementation of BGP load sharing, which of the following statements is correct? (Multiple choice)

83. If the link layer protocol of the OSPF interface is ATM, its default network type is _______.

84. In the network shown in the figure, the BGP route learning between routers is normal, and the BGP route attributes are all removed from the default values.

After importing the route 100.10.1.0/24 into BGP on RTA, what is the next hop of 100.10.1.0/24 in the BGP routing table of RTD?

85. The administrator wants to configure the OSPF route priority value to be 100 on the MSR router. Which of the following commands is correct?

86. In the topology shown in the figure, perform the following configuration on RTA:

RTA-ospf-1-area-0.0.0.1] network 192.168.0.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.1.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.3.0 0.0.0.255

Now it is required that the RTC must not learn the route 192.168.2.0/24 configured in the above RTA, what configurations can be performed on the router? (Multiple choice)

87. The network is as shown in the figure, RTB advertises the route 110.1.1.0/24 to RTA, LP is 200, and MED is 200.





What are the LP and MED of the route 10.1.1.0/24 received by RTC from RTA?

88. 2.2.11 100 4 0 0 0 Never Idle

89. 1.1.0/24, 10.1.2.0/24, 10.1.3.0/24.

The main equipment configuration is as follows.

RTC :

bgp 100

aggregate 10.1.0.0 255.255.0.0

network 10.1.1.0 255.255.255.0

network 10.1.2.0 255.255.255.0

network 10.1.3.0 255.255.255.0

undo snchronization

peer 200.1.2.2 as-number 200

RTB :

bgp 200

aggregate 10.1.0.0 255.255.0.0 as-set detail-suppressed

undo snchronization

peer 200.1.2.1 as-number 100

peer 200.1.3.2 as-number 300

Then, regarding the routing learning situation on each device, which of the following statements are correct? (Multiple choice)

90. Regarding the filter-polic filter, which of the following statements are correct? (Multiple choice)

91. In the IS-IS network shown in the figure, after the routes of each router are stable, the IS-IS Level-1 routes learned by RTE through neighbors are ______.(Multiple choice)

92. In the topology shown in the figure, it is necessary to configure the RTA to import the default route in the OSPF area.





Which of the following configurations can achieve the above goals? (Multiple choice)

93. As shown in the network diagram, RTA and RTB are located in AS 1001, RTC, RTD, and RTE are located in AS 1002, and AS 1001 advertises the BGP route 11.11.11.0/24 to AS 1002. The main BGP configurations of RTC and RTD are as follows, if RTE 1. The RTC interconnection link is interrupted, and RTE accesses the 11.11.11.0/24 network segment, which WAN link should be preferred?

RTC]

bgp 1002

preference 20 170 200

peerRTA as-number 1001

peerRTD as-number 1002

peerRTA route-policsetmed import

route-policsetmed permit node 10

applcost 100

RTD]

bgp 1002

preference 20 170 200

peerRTB as-number 1001

peerRTC as-number 1002

peerRTA route-policsetmed import

route-policsetmed permit node 10

applcost 200

94. In the IS-IS network shown in the figure, RTA and RTB are configured as follows:

RTA] isis

RTA-isis-1] is-level level-1

RTA-isis-1] network-entit01.1111.1111.1111.00

RTA-isis-1] interface serial 2/0

RTA-Serial2/0] isis enable 1

RTB] isis

RTB-isis-1] network-entit01.2222.2222.2222.00

RTB-isis-1] interface serial 1/0

RTB-Serial1/0] isis enable 1

RTB-Serial1/0] isis circuit-level level-1

Then the ______ between RTA and RTB

95. As shown in the figure, both RTA and RTB run RIPng on the E0/0 interface, then the source address used by the RIPng message sent by RTA is ________.

96. 1.1.0/24, 10.1.2.0/24, 10.1.3.0/24.

The main equipment configuration is as follows.

RTC :

bgp 100

aggregate 10.1.0.0 255.255.0.0

network 10.1.1.0 255.255.255.0

network 10.1.2.0 255.255.255.0

network 10.1.3.0 255.255.255.0

undo snchronization

peer 200.1.2.2 as-number 200

RTB :

bgp 200

aggregate 10.1.0.0 255.255.0.0 as-set detail-suppressed

undo snchronization

peer 200.1.2.1 as-number 100

peer 200.1.3.2 as-number 300

Then, regarding the routing learning situation on each device, which of the following statements are correct? (Multiple choice)

97. RTA and RTB run the OSPF routing protocol, and both belong to the backbone area.

Which of the following methods can be used to advertise the direct route 192.168.1.0/24 of RTA to the OSPF routing domain? (Multiple choice)

98. There are _________ routing protocols that use the SPF algorithm. (Multiple choice)

99. Which of the following descriptions about Route-polic is correct? (Multiple choice)

100. Regarding the NSAP address, which of the following descriptions are correct? (Multiple choice)

101. There are two detailed routes 10.10.1.0/24 and 10.10.2.0/24 in the BGP routing table. The user wants to publish 10.10.1.0/24 and aggregated route 10.10.0.0/16, but not to publish 10.10.2.0/24. How should it be achieved?

102. Regarding the BGP aggregation function, which of the following statements are correct? (Multiple choice)

103. There must be no LSA of type ______ in the OSPF Stub area. (Multiple choice)

104. The BGP protocol is carried by _______, and its port is _______.

105. After executing the displaospf routing command on the MSR router RTA, the output of the router is as follows:





From the above output it can be judged that ______.(Multiple choice)

106. To match the BGP route whose originating AS number is 65000-65099, how should the regular expression be defined?

107. On the MSR router, the default OSPF link cost values of Gigabit Ethernet, 100M Ethernet, and 10M Ethernet are ______ respectively.

108. In a certain network project, the client requires the network to have good scalability considering that the network users may increase significantly in the future.

Which of the following measures can improve the scalability of the network?

109. After executing the displaospf interface command on the MSR router RTA, the output of the router is as follows:





From the above output it can be judged that ________.(Multiple choice)

110. When using the displabgp peer command lock to view the neighbor status as Established, it means that ______ has been received from the peer.

111. The following OSPF protocol packets are _________.(Multiple choice)

112. In the topology shown in the figure, perform the following configurations on RTA and RTB respectively:

RTA] ospf 1

RTA-ospf-1] area 1

RTA-ospf-1-area-0.0.0.1] network 1.1.1.1 0.0.0.0

RTA-ospf-1-area-0.0.0.1] network 10.0.0.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.1.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.4.0 0.0.0.255

RTA-ospf-1-area-0.0.0.1] network 192.168.7.0 0.0.0.127

RTA-ospf-1-area-0.0.0.1] network 192.168.8.0 0.0.0.127

RTA-ospf-1-area-0.0.0.1] network 192.168.15.0 0.0.0.255

RTB] ospf 1

RTB-ospf-1] area 1

RTB-ospf-1-area-0.0.0.1] network 10.0.0.0 0.0.0.255

RTB-ospf-1-area-0.0.0.1] area 0

RTB-ospf-1-area-0.0.0.1] abr-summar192.168.0.0 255.255.252.0 not-advertise

Which of the following routes may exist in the RTC routing table? (Multiple choice)

113. A router has an interface that is connected to multiple routers using frame relay. Now it is necessary to run IS-IS among these routers, so what needs to be done on this interface?

114. Command formula for canceling RIP protocol automatic route aggregation on MSR routers?

115. Two MSR routers MSR-1 and MSR-2 are interconnected through the 192.168.1.0/24 network segment.

Now it is necessary to configure the OSPF protocol on the router MSR-1 to establish an adjacency relationship with MSR-2. Which of the following configurations is feasible? (Multiple choice)

116. In the topology shown in the figure, perform the following configurations on RTA, RTB, and RTC respectively:

RTA] ospf 1

RTA-ospf-1] area 1

RTA-ospf-1-area-0.0.0.1] network 10.0.0.0 0.0.0.255

RTB] ospf 1

RTB-ospf-1] area 1

RTB-ospf-1-area-0.0.0.1] network 10.0.0.0 0.0.0.255

RTB-ospf-1-area-0.0.0.1] area 0

RTB-ospf-1-area-0.0.0.0] network 20.0.0.0 0.0.0.255

RTC] ospf 1

RTC-ospf-1] area 0

RTC-ospf-1-area-0.0.0.0] network 20.0.0.0 0.0.0.255

RTC-ospf-1-area-0.0.0.0] area 2

RTC-ospf-1-area-0.0.0.2]stub

RTC-ospf-1-area-0.0.0.2] network 30.0.0.0 0.0.0.255

How to configure RTD to learn the route 10.0.0.0/24?

117. According to the topology shown in the figure, which the following statement about the type of OSPF router is correct? (Multiple choice)

118. Which of the following descriptions of Route-polic is incorrect?

119. In the topology shown in the figure, perform the following configurations on RTA, RTB, RTC and RTD respectively





Then the router type of RTC in the OSPF area is? (Multiple choice)

120. Among the following types of LSAs, _________ are allowed to exist in the backbone area. (Multiple choice)

121. L is a network design engineer. In a certain network project, in order to reduce the complexity, L designed the network to adopt a two-layer architecture, and the functions of the access layer were incorporated into the aggregation layer. When designing, L considered that the core layer needs to have a fast convergence function, and the aggregation layer performs route aggregation to reduce the number of routes. Among the following routing protocols, which one should L use as the routing protocol at the aggregation layer? (Multiple choice)

122. Carry out port aggregation on the two 100M Ethernet interfaces of the switch, and the OSPF link cost of the aggregated logical interface is _______.

123. An MSR router has four interfaces, and their IP addresses are Loopback0:1.1.1.1/32, Loopback1:2.2.2.2/32, GE0/0:172.16.1.1/30, GE0/1:192.168.1.1/30 . If the OSPF protocol is running and OSPF is enabled on only two interfaces, the Router ID selected by the router is _______.

124. In the NSAP address 06.2400.0001.0020.0300.01, which part is the Stem ID?

125. In the PBR configuration, which of the following actions cannot be performed by the appl clause?

126. The OSPF and BGP routing protocols are running on the RTA of the P router at the same time, and an OSPF route is imported in the network mode in BGP, and the ORIGIN attribute value of the route in the BGP routing table is ____.

127. In the network shown in the figure, the BGP route learning between routers is normal, and the BGP route attributes all take default values.

After importing route 8.0.0.0 into BGP on RTA, if you want to make the next hop of route 8.0.0.0 on RTD point to RTC, which of the following adjustment methods are feasible? (Multiple choice)

128. Which of the following BGP attributes are not recognized attributes?

129. Regarding the DR and BDR election principles in the OSPF protocol, which of the following statements is wrong?

130. XZ company requires to build its network according to the modular enterprise network architecture. XZ company has 1 research and development base in Shenzhen and Xi'an; one office building in Beijing and Shanghai; offices with more than 50 people in 23 provincial capital cities; small offices with no more than 8 people in 200 small and medium cities; At any one time there are usually more than 200 marketing and technical personnel on business trips. Due to environmental and cost issues, some offices do not have access to headquarters via leased lines or PSWAN connections. According to these circumstances, the network module that XZ company should have ________.(Multiple choice)

131. The correct description of the following list of address prefixes is _______.(Multiple choice)

132. 1111.1111.1111.00

is-level: level-1-2

cost-ste: narrow

preference: 15

Lsp-length receive: 1497

Lsp-length originate: level-1 1476

level-2 1476

maximum imported routes number: 10000

Timers:

lsp-max-age: 1200

lsp-refresh: 900

Interval between SPFs: 10

From the above information, we can know that RTA______.(Multiple choice)

133. In the topology shown in the figure, execute the following command on RTA:

RTA-ospf-1] default-route-advertise

The default route cannot be observed in the routing table of the RTC router. This is not possible because ______

134. Regarding the OSPF protocol, which of the following statements are correct? (Multiple choice)

135. Regarding filter-polic filtering OSPF routes, which of the following statements are correct? (Multiple choice)

136. In the IS-IS network shown in the figure, each router is configured as follows.

RTA-isis-1] cost-ste wide

RTB-isis-1] cost-ste wide-compatible

RTC-isis-1] cost-ste narrow-compatible

Then it is ________ that can correctly calculate the link cost between each other. (Multiple choice)

137. As shown in the figure, RTA, RTB, and RTC run OSPF, and the process number is 100; RTA, RTB, and RTD run OSPF process 200. The cost of all interconnected links is set to 10. Set the external route priority of OSPF 100 to 190 on RTA and RTB, and import an external route 172.16.1.0/24 into OSPF 100 on RTC. The RTA setting imports the OSPF100 route to OSPF200, and the RTB setting re-introduces the OSPF200 route to OSPF100. After running stably, assume that the external route 172.16.1.0/24 imported on RTC suddenly disappears.

According to the above scene analysis, which of the following description is incorrect? (Multiple choice)

138. RTA and RTB run the OSPF routing protocol, and both belong to the backbone area.

Which of the following methods cannot be used to advertise the direct route 192.168.1.0/24 of RTA to the OSPF routing domain? (Multiple choice)

139. Which of the following are characteristics of link-state routing protocols?

140. As shown in the figure, a LAN uses an MSR router to connect to an ISP.





To implement packet-based load balancing on the outbound interface of an MSR router, which of the following configurations are required?

141. As shown in the figure, PC1 and RTA establish a connection through an ISATAP tunnel, and RTA and RTB establish a 6to4 tunnel, and all configurations are correct. If PC1 obtains the IPv6 address correctly, then it sends a message with the destination address of PC2 (2002:201:2:2009::2). Then the IPv4 destination address encapsulated in the message sent from PC1 is ______; and the IPv4 source address encapsulated in the message sent from RTA is ______.

142. As shown in the figure, the network requires RTA and RTB to establish OSPF neighbors and exchange routes. To achieve the above purpose, please complete the RTA configuration. RTA] ipv6

RTA] ospfv3

RTA-ospfv3-1]______________

RTA-ospfv3-1] interface e0/0

RTA-Ethernet0/0] ospfv3 1 area 0

RTA-Ethernet0/0]interface e0/1

RTA-Ethernet0/1] ospfv3 1 area 0

RTA-Ethernet0/1] interface e1/0

RTA-Ethernet1/0] ospfv3 1 area 0

143. Among the following types of LSA, there must be ______ generated by ABR. (Multiple choice)

144. Which of the following tools are route filters? (Multiple choice)

145. IS-IS can support network layer protocols such as _______.(Multiple choice)

146. Regarding the LSDB in the OSPF protocol, which of the following statements are correct? (Multiple choice)

147. As shown in the figure, RTA, RTB, and RTC run OSPF, and the process number is 100; RTA, RTB, and RTD run OSPF process 200. The cost of all interconnected links is set to 10. Set the external route priority of OSPF 100 to 190 on RTA and RTB, and import an external route 172.16.1.0/24 into OSPF 100 on RTC. The RTA setting imports the OSPF100 route to OSPF200, and the RTB setting re-introduces the OSPF200 route to OSPF100. After running stably, assume that the external route 172.16.1.0/24 imported on RTC suddenly disappears.

According to the above scene analysis, the correct description below is ______.(Multiple choice)

148. As shown in the figure, the MSR router in the headquarters is connected to the branch through the Ethernet interface E1/0, and the connection is backed up through the ISDN network. Which of the following options is most feasible at this time?

149. When configuring BGP to control routing, the commonly used filters are ________.(Multiple choice)

150. 1.1.0/24 OSPF 10 2 1.1.1.2 Ethernet0/0

Configure default med 200 on RTA, please visit the BGP routing table of RTA, what is the MED attribute value of 10.1.1.0/24?

151. In the IS-IS network shown in the figure, after the routes of each router are stable, the IS-IS Level-1 routes learned by RTB through neighbors are ______.(Multiple choice)

152. According to the topology shown in the figure, which of the following statement about the type of OSPF router is correct? (Multiple choice)

153. In the topology shown in the figure, perform the following configurations on RTA, RTB, RTC, and RTD respectively:

RTA-LoopBack0] ip address 1.1.1.1 255.255.255.255

RTA]ospf 1

RTA-ospf-1]area 1

RTA-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255

RTA-ospf-1]import-route direct

RTB-LoopBack0] ip address 2.2.2.2 255.255.255.255

RTB]ospf 1

RTB-ospf-1]area 1

RTB-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255

RTB-ospf-1-area-0.0.0.1]area 0

RTB-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0

RTB-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255

RTC-LoopBack0] ip address 3.3.3.3 255.255.255.255

RTC]ospf 1

RTC-ospf-1]area 0

RTC-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255

RTC-ospf-1-area-0.0.0.0]area 2

RTC-ospf-1-area-0.0.0.2]nssa no-summarRTC-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255

RTC-ospf-1-area-0.0.0.2] network 3.3.3.3 0.0.0.0

RTD-LoopBack0] ip address 4.4.4.4 255.255.255.255

RTD] ospf 1

RTD-ospf-1] area 2

RTD-ospf-1-area-0.0.0.2] network 30.0.0.0 0.0.0.255

RTD-ospf-1-area-0.0.0.2]nssa

RTD-ospf-1] import-route direct

Which of the following routes cannot exist in the RTD's routing table? (Multiple choice)

154. The following is the information of a router executing displanatpt address-mapping: From the above output, we can know that the host with the address ________ accesses the host with the address _______.

155. Which of the following elements are common in the routing table and the FIB table? (Multiple choice)

156. Which of the following descriptions about BGP Peer Group is correct?