Question 1

You are implementing a second data center and must have some of your VLANs active in both data centers. You must provide high availability, fast reconvergence, and avoid tromboning traffic on these VLANs. In an over-the-top DCI strategy, which two statements are correct? (Choose two.)

Options :

A :

A single type-5 route for the subnet must be advertised from both data centers.

B : The VLAN ID and VNI must be the same in both data centers for these VLANs.

C : The VLAN ID must be the same in both data centers, but the VNI can be different.

D : A type-5 route for each host must be advertised from the data center where the host resides.

Answer: A,B

Question 2

You are deploying a 3-stage Clos IP fabric in your data center. In this scenario, which statement is correct?

Options :

A : Each server-facing interface on a leaf node is always three hops away from other server-facing interfaces.

B : Each spine node must be physically connected to all other spine nodes.

C : There is an eight-spine node limitation.

D : No direct physical connections exist between leaf nodes.

Answer: A

Question 3

You want to improve network convergence within a data center during link failures. In this scenario, which

EVPN-VXLAN feature will accomplish this task?

Options :

A : storm control

B : Ethernet segment auto discovery

C : MAC filtering

D :

MAC mass withdrawal

Answer: D

Question 4

You are troubleshooting an L3VPN that is part of an EVPN/MPLS DCI. You notice that the EVPN overlay BGP session toward 10.29.50.4 is unable to establish.

Why is the BGP session failing to establish?

Options :

A : The route-distinguisher value on the local PE is incorrect

B : There is no route for 192.168.5.5 an VPN net 0.

C : There is no route for 192.168.5.5. in inet 3.

D : The vrf-table abel value is not configured in the remote PE.

Answer: C

Question 5

Exhibit.

You administer an EVPN-VXLAN fabric. You notice that there is no VXLAN traffic forwarding through the

network.

Referring to the exhibit, which modification will solve the problem?

Options :

A :

set firewall family inet filter allow-BGP term 1 from protocol udp set firewall family inet filter

allow-BGP term 1 from destination-port 4789

B : set interfaces et-0/0/49 unit 0 family vxlan

C : set interfaces et-0/0/49 unit 0 family vpls

D :

set firewall family inet filter allow-BGP term 1 from protocol tcp set firewall family inet filter

allow-BGP term 1 from destination-port 4789

Answer: A

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