Question 1

Refer to the exhibit A network engineer is in the process of implementing IS-IS Area 1 and Area 2 on this network to segregate traffic between different segments of the network The hosts in the two new areas must maintain the ability to communicate with one another In both directions. Which additional change must be applied?

Options :

A : Reconfigure either R3 or R4 as a Level 1/Level 2 router.

B : Reconfigure routers R1, R2 R5. and R6 as Level 1/Level 2 routers.

C : Reconfigure routers R2 and R5 as Level 1/Level 2 routers.

D : Reconfigure routers R4, R5 and R6 as Level 1 routers

Answer: A

Question 2

Refer to the exhibit:

A network engineer is implementing QoS services. Which two statements about the QoS-group keyword on Cisco IOS XR 3re true? (Choose two )

Options :

A : The QoS group numbering corresponds to priority level

B : QoS group marking occurs on the ingress

C : It marks packets for end to end QoS pokey enforcement across the network

D : QoS group can be used in fabric QoS policy as a match criteria

E : It cannot be used with priority traffic class

Answer: B,D

Question 3

Refer to the exhibit. The USER mat is connecting an application on an Internet connection in AS 100 is facing these issues:
The USER lost the connection to the application during a failure Between IG and R2.
Router R2 configuration a lost due to a power outage.
The application the USER is connecting to a hosted behind CE2.
What action resolves the issues on R3 and R4 routers?

Options :

A : Set R4 as a route reflector for R3 and CE2

B : Apply high Local Preference on R3 toward R1

C : Set R3 as a route reflector for R4 and CE1

D : Apply low Local Preference on R4 toward R2.

Answer: D

Question 4

Refer to the exhibits:

R1 and R2 are directly connected and IS-IS routing has been enabled between R1 and R2 R1 message periodically Based on this output, which statement is true?

Options :

A : IS-IS neighbor authentication is failing for Level 2 first and then for Level 1 PDUs

B : 1S-1S neighbor authentication is failing for Level 1 and Level 2 PDUs .

C : IS-IS neighbor authentication is failing for Level 1 PDUs only

D : IS-IS neighbor authentication is failing for Level 2 PDUs only.

Answer: C

Question 5

Refer to the exhibit. LDP peering between routers R1 and R2 is dropped when the link between R1 and R2 is taken offline. However, LDP peering between R2 and R3 stays up when the link between R2 and R3 is taken offline. Which action allows MPLS traffic forwarding to continue normally if the link between R1 and R2 goes down?

Options :

A : Enable IGP and LDP Synchronization on R1.

B : Implement LDP Session Protection on R1.

C : Enable IGP and LDP Synchronization on R2.

D : Implement LDP Session Protection on R2.

Answer: B

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