Question 1

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 2

A company is expanding its existing office space to a new floor of the building, and the networking team is installing a new set of switches. The new switches are running IGMPv2, and the engineers configured them for VLAN10 only. The rest of the existing network includes numerous Layer 2 switches in multiple other VLANs, all running IGMPv3. Which additional task must the team perform when deploying the new switches so that traffic is switched correctly through the entire network?

Options :

A : Configure the new switches to use IGMPv3 on all VLANs on the network.

B : Configure all switches on the network to support IGMPv2 and IGMPv3 on all VLANs on the network.

C : Configure the new switches to use IGMPv3 on VLAN10 only.

D : Configure all switches on the network to support IGMPv2 and IGMPv3 on VLAN10 only.

Answer: C

Question 3

Refer to the exhibit.

An engineer is updating this network to meet these conditions:
* Area 10 will receive inter-area routes and support mutual redistribution of external routes with the extranet.
* The ::/0 route is prohibited in Area 10.
* Area 11 will receive only the ::/0 route from the ABR.
* External route redistribution is not supported in Area 11.
* The ABR in Area 11 will advertise no interarea routes.
Which two configurations must be performed to meet the requirements? (Choose two.)

Options :

A : Configure area 11 as nssa no-summary on R7 and as nssa on XR31.

B : Configure area 10 as stub on R9 and XR32.

C : Configure area 11 as stub no-summary on R7 and as stub on XR31.

D : Configure area 11 as nssa default-information-originate on R7 and as nssa on XR31.

E : Configure area 10 as nssa on R9 and XR32.

Answer: A,C

Question 4

Refer to the exhibit.

Which two topology changes happen to the IS-IS routers? (Choose two.)

Options :

A : All four routers are operating as Level 1 routers only.

B : All four routers are operating as Level 2 routers only.

C : R1 and R4 are Level 2 neighbours.

D : R1 and R2 are Level 2 neighbours.

E : All four routers are operating as Level 1-2 routers.

Answer: A,D

Question 5

Refer to the exhibit.

A network operator has two IPv4 and IPv6 dual-stacked network on each side of the IPv4 core network. The operator must be able to provide connectivity between them while using specific assigned IPv6 space provided from the company IP administrator team. Which technology should the network operator use to accomplish this goal?

Options :

A : 6rd

B : NAT46

C : DS-Lite

D : NAT44

Answer: B