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1. Which two statements are true about how switches handle Layer 2 traffic? (Choose two.)

The MAC address is learned based on the destination MAC address.

The MAC address is learned based on the source MAC address.

Traffic is forwarded based on the source MAC address.

Traffic is forwarded based on the destination MAC address.

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2. Which two statements are correct about VLAN tags? (Choose two.)

VLAN tags carry a VLAN ID and priority.

VLAN tags are required on access ports.

VLAN tags require multiple forwarding tables.

VLAN tags can be inserted or removed by trunk interfaces.

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3. Referring to the exhibit, why are the BGP routes hidden?

Load balancing is not enabled.

There are too many hops to the destination.

The BGP next hop is unreachable.

Other routes are selected because of better metrics.

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4. You are troubleshooting a downed BGP session.





Referring to the exhibit, what is the cause of the problem?

The UDP session between the peers has not been established.

The local peer has sent an Open message but not received one from the remote peer.

The TCP session between the peers has not been established.

The local peer has sent an Update message but not received one from the remote peer.

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5. When troubleshooting an OSPF neighborship, you notice that the router stopped at the ExStart state.

What is the cause of this result?

The priority is set to 255.

There is an interval timing mismatch.

There is an area ID mismatch.

There is an MTU mismatch.

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6. In the Junos OS, which feature is used to create an alternate next hop with a unique preference for a static route?

Preference

Resolve

Next-hop

Qualified-next-hop

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7. Exhibit:





Referring to the exhibit, which statement is correct?

The configuration will commit successfully and BGP group 1 will operate as IBG

The configuration will commit successfully and BGP group 1 will operate as EBG

BGP group 1 requires a type external parameter.

BGP group 1 requires a type internal parameter.

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8. Exhibit:





Referring to the exhibit, which behavior does this configuration enable on the ge-0/0/1.0 interface?

This configuration enables a MAC address learned on the interface to be persistently retained in the Ethernet-switching table, even after a reboot.

This configuration enables the device to place a MAC address that persistently causes network errors into a special protected VLA

This configuration enables the device to shut down the interface when a particular MAC address persistently sends broadcast traffic.

This configuration enables the interface to learn and remember MAC addresses, until the device is rebooted.

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9. When considering bidirectional forwarding detection, which two statements are correct? (Choose two.)

The BFD default minimum interval is 3.

You can configure BFD per interface within the protocol stanza.

The BFD operation always consists of minimum intervals and multipliers.

The BFD default multiplier is 5.

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10. Which state in the adjacency process do OSPF routers check the MTU size?

Init

Exchange

Done

ExStart

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11. Within your router, you want to verify that you are learning routes from a remote BGP peer at IP address 10.10.100.1.

Which command would satisfy the requirement?

show route receive-protocol bgp 10.10.100.1

show route protocol bgp table inet.0 10.10.100.1

show route advertise-protocol bgp 10.10.100.1

show route protocol bgp source-gateway 10.10.100.1

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12. A generated route is configured under which hierarchy?

[edit policy-options]

[edit routing-instance]

[edit routing-options]

[edit protocols]

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13. Which two statements describe an IP fabric? (Choose two.)

An IP fabric allows devices to always be one hop away.

An IP fabric depends on Layer 2 switching.

An IP fabric uses spine and leaf devices.

An IP fabric provides traffic load sharing.

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14. Which statement is correct about a three-stage IP fabric underlay?

Every ingress interface into the fabric is only two hops away from the egress interface.

Every spine device can communicate directly with other spine devices.

Every leaf device can communicate directly with other leaf devices.

Every server that connects to a three-stage IP fabric must be multihomed.

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15. MACsec provides protection against which two types of threats? (Choose two.)

Data decryption

Playback attacks

Hashing attacks

Man-in-the-middle attack

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16. Which statement is correct about member interfaces when creating a LAG?

The interface's MTU settings must match on all member interfaces.

The interface’s duplex settings and link speed must be the same on all member interfaces.

Member interfaces must all be allocated on the same chassis when using a Virtual Chassis.

Member interfaces must all be allocated on the same PF

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17. What are two reasons why you would deploy an IP fabric instead of a traditional Layer 2 network in a

data center? (Choose two.)

Layer 2 networks only support a single broadcast domain.

IP fabrics are better suited to smaller networks where scale is less important.

Layer 3 networks support load balancing.

Layer 2 networks are susceptible to loops.

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18. What is the behavior of the default export policy for OSPF?

Accept all routes.

Reject all routes.

Redistribute all routes.

Forward all routes.

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19. What is the primary purpose of an IRB Layer 3 interface?

to provide load balancing

to provide a default VLAN ID

to provide inter-VLAN routing

to provide port security

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20. 1.Leaf and spine data centers are used to better accommodate which type of traffic?

north-east

east-west

north-west

south-east

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