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1. What would prevent two OSPF routers from forming an adjacency? (Select two.)

2. An administrator is concerned about the security of the control plane connection between an AOS-CX switch and an Aruba Mobility Controller (MC) when implementing user-based tunneling.

How should the administrator protect this traffic?

3. Which statement is correct regarding ACLs and TCAM usage?

4. 1.A network engineer is having a problem adding a custom-written script to an AOS-CX switch’s NAE GUI. The script was written in Python and was successfully added on other AOS-CX switches.

The engineer examines the following items from the CLI of the switch:





What should the engineer perform to fix this issue?

5. What is a concept associated with PIM sparse mode (SM)?

6. Which AOS-CX feature is used to prevent head-on-line (HOL) blocking?

7. Which protocols are used by NetEdit to interact with third-party devices? (Choose two.)

8. Examine the network topology.





The network is configured for OSPF with the following attributes:



Core1 and Core2 and ABRs



Area 1 has 20 networks in the 10.1.0.0/16 range



Area 0 has 10 networks in the 10.0.0.0/16 range



Area 2 has 50 networks in the 10.2.0.0/16 range



The ASBR is importing a static route into Area 1



Core2 has a summary for Area 2: area 0.0.0.2 range 10.2.0.0/16 type inter-area

Here is the OSPF configuration performed on Core1:





Based on the above information, what is correct?

9. A network administrator is managing a network that deploys a multicast service. The administrator has multiple streams successfully being routed by PIM-DM in the network. The administrator then adds a new stream with a destination address of 239.0.0.1. However, clients who have not joined the stream are receiving it.

What should the administrator do to fix this problem?

10. A network administrator is tasked to set up BGP in the company's network. The administrator is defining an eBGP peering between an AOS-CX switch and a directly-connected service provider.

The administrator has configured the following on the AOS-CX switch:





However, when using the "show bgp all summary" command, the state does not display "Established" for the eBGP peer.

What must the administrator configure to fix this issue?

11. An administrator is replacing the current access switches with AOS-CX switches. The access layer switches must authenticate user and networking devices connecting to them. Some devices support no form of authentication, and some support 802.1X. Some ports have a VoIP phone and a PC connected to the same port, where the PC is connected to the data port of the phone and the phone’s LAN port is connected to the switch.

Which statement is correct about this situation?

12. Examine the network exhibit.





A company has a guest implementation for wireless and wired access. Wireless access is implemented through a third-party vendor. The company is concerned about wired guest traffic traversing the same network as the employee traffic. The network administrator has established a GRE tunnel between AOS-CX switches where guests are connected to a routing switch in the DMZ.

Which feature should the administrator implement to ensure that the guest traffic is tunneled to the DMZ while the employee traffic is forwarded using OSPF?

13. An administrator has an AOS-CX switch configured with:

router ospf 1

area 0

area 1 stub no-summary

It is the only ABR for area 1. The switch has the appropriate adjacencies to routing switches in areas 0 and 1.

The current routes in each area are:

Area 0: 5 routes (LSA Type 1 and 2)

Area 1: 10 routes (LSA Type 1 and 2)

External routes: 2 (LSA Type 5)

Based on the above configuration, how many OSPF routes will routing switches see in Area 1?

14. A network administrator is implementing NAE on AOS-CX switches. When attempting to create an agent on a particular switch, the agent appears in the NAE Agents panel with a red triangle error symbol and a status of “Unknown”.

What is the cause of this issue?

15. Which option correctly defines how to identify a VLAN as a voice VLAN on an AOS-CX switch?

16. An AOS-CX switch is configured to implement downloadable user roles.

Examine the AOS-CX switch output:





Based on this output, what is the state of the user’s access?

17. An administrator has configured the following on an AOS-CX switch:





What is the correct ACL rule configuration that would allow traffic from anywhere to reach the web ports on the two specified servers?

18. What is correct regarding multicasting and AOS-CX switches?

19. A network engineer for a company with 896 users across a multi-building campus wants to gather statistics on an important switch uplink and create actions based on issues that occur on the uplink.

How often does an NAE agent gather information from the current state database in regard to the uplink interfaces?

20. A network administrator needs to replace an antiquated access layer solution with a modular solution involving AOS-CX switches. The administrator wants to leverage virtual switching technologies. The solution needs to support high-availability with dual-control planes.

Which solution should the administrator implement?

21. A company has a third-party AAA server solution. The campus access layer was just upgraded to AOS-CX switches that perform access control with MAC-Auth and 802.1X. The company has an Aruba Mobility Controller (MC) solution for wireless, and they want to leverage the firewall policies on the controllers for the wired traffic.

What is correct about how the company should implement a security solution where the wired traffic is

processed by the gateways?

22. The network is configured for OSPF with the following attributes:

Core1 and Core2 and ABRs

Area 1 has 20 networks in the 10.1.0.0/16 range

Area 0 has 10 networks in the 10.0.0.0/16 range

Area 2 has 50 networks in the 10.2.0.0/16 range

The ASBR is importing a static route into Area 1

Core2 has a summary for Area 2: area 0.0.0.2 range 10.2.0.0/16 type inter-area

Here is the OSPF configuration performed on Core1:





Based on the above information, what is correct?

23. What must a network administrator implement in order to run an NAE script on an AOS-CX switch?

24. A company has a few servers in a secure, remote location storing highly-confidential documents connected to two AOS-CX 6400 switches configured in a VSX pair The AOS-CX switches perform access control with 802 1X and will be implementing user-based tunneling (UBT) so that Aruba gateway application inspection and stateful firewall policies can be applied to the traffic. The gateways are running version 84 and implement the AP, PEF, and RFP licenses

Which licensing is needed for the two AOS-CX switches?

25. A network administrator is implementing a configuration plan in NetEdit. The administrator used NetEdit to push the configuration plan to the switch.

Which option in the NetEdit planning section should the administrator select to save the configuration running on the switch to the startup-config?

26. A network administrator is implementing BGP for a larger network. The network has over 20 exit points across 15 different BGP routers. The administrator does not want to implement a fully-meshed iBGP peering between all BGP routers.

Which feature should the administrator implement to reduce the number of peers the administrator needs to define?

27. When cutting and pasting configurations into NetEdit, which character is used to enter commands within the context of the previous command?

28. When an AOS-CX switch uses a temporary copy of the Configuration State database, what kind of analysis does NetEdit perform to ensure that the configuration is correct?

29. When implementing user-based tunneling on an AOS-CX switch, which component defines the primary and backup Aruba gateways?

30. An administrator will be replacing a campus switching infrastructure with AOS-CX switches that support VSX capabilities. The campus involves a core, as well as multiple access layers.

Which feature should the administrator implement to allow both VSX-capable core switches to process traffic sent to the default gateway in the campus VLANs?

31. Examine the AOS-CX configuration:





The switches have a default factory password setting NetEdit fails to access the configuration of the AOS-CX switches.

What should the administrator do to solve this problem?

32. Examine the VSX-related configuration of the core layer AOS-CX switch:





A network administrator is troubleshooting a connectivity issue involving the VSX LAG (link aggregation) between the core and access layer switch, during HW replacement of one of the core switches.

Which configuration should the administrator add to the core switch to fix this issue?

33. Which AOS-CX switches support weighted fair queuing (WFQ)?

34. Which protocol does NetEdit use to discover devices in a subnet during the discovery process?

35. Examine the attached exhibit.





The network administrators is trying to add a remote location as area 3 to the network shown in the diagram.

Based on current connection restrictions, the administrator cannot connect area 3 directly to area 0. The network is using AOS-CX switches.

Which feature should the administrator implement to provide connectivity to the remote location?

36. How should a network administrator add NAE scripts and implement NAE agents that will run on an AOS-CX switch?

37. Examine the attached diagram.





The two PCs are located in VLAN 11 (10.1.11.0/24).

Which example defines how to implement active gateway on the VSX core for VLAN 11?