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Viewing page 8 out of 8 pages
Viewing questions 71-80 out of questions
Questions # 71:

Refer to the exhibit.

Question # 71

What is the relationship between Router 1 and Router 2?

Options:

A.

Router 1 centrally learns the topology of the network to aid in SR-TE path selection, and Router 2 is a node that feeds Router 1 topology information.

B.

Router 1 and Router 2 are participating in SR-TE tunnels and are both head-end routers.

C.

Router 1 and Router 2 centrally learn the topology of the network to aid in SR-TE path selection for peers.

D.

Router 2 is the head-end router in an SR-TE tunnel, and it is learning topology of the network from the PCE enabled on Router 1.

Expert Solution
Questions # 72:

Refer to the exhibit.

Question # 72

R3 is:

Which command must the engineer implement to resolve the issue?

A R3# ip msdp sa-filter in 192.168.3.1

B. R3# no ip msap sa-filter in 192.168.1.1

C R3# no ip msdp peer 192.168.1.1

D. R3# ip msdp sa-filter out 192.168.1.1

Options:

A.

failing to accept multicast RP information from Domain-A

B.

advertising MSDP SA messages to R1 and R4

C.

receiving SA messages only from R4

Expert Solution
Questions # 73:

The engineering team at ISP_1 must improve network stability time and minimize the impact of routing instabilities from other domains to unicast transit services in the backbone R1 is part of an OSPF- enabled network, and acts as an ASBR connected via interface GiO/1 to the external domain The OSPF exponential backoff algorithm RFC 3623 with helper mode is already implemented on R1 Which additional configuration must the ISP_1 team apply to suppress routing instability for 3 minutes'?

Options:

A.

Configure ip ospf resync-timtout 180 under the Gi0'1 interface configuration

B.

Configure ip ospf timer nsf interval 3 under the global Gi0'1 interface configuration

C.

Configure nsf ittf restart-inttrval 180 under the global OSPF configuration

D.

Configure nsf ospf wait 3 under the global OSPF configuration

Expert Solution
Questions # 74:

Refer to the exhibit.

Question # 74

CE1 is the gateway router into the provider network via PE1. A network operator must

inject a default route into OSPF area 0. All devices inside area 0 must be able to reach PE1. Which configuration achieves this goal?

Question # 74

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Expert Solution
Questions # 75:

Question # 75

Question # 75

Question # 75

Refer to the exhibit. Multicast traffic destined from T1 and T2 routers to RP routers works well. A network engineer observes problems with multicast traffic flows between Site-A and Site-B. Site-A users fail to receive multicast stream on Site-B via RPTY site, while Site-B users fail to receive multicast stream on Site-Avia RPTZ site. Which action must be implemented to resolve the issues?

Options:

A.

Establish MDSP peering with interface IP subnet.

B.

Configure Site-A and Site-B in 10.80.14804

C.

Allow the OSPF and MSDP packets on the firewall.

D.

Configure direct OSPF peering between Site-A and Ste-B

Expert Solution
Questions # 76:

What is the difference between a source tree and a shared tree in a multicast environment?

Options:

A.

To route traffic from source to receiver a source tree uses a link-state routing protocol and a shared tree uses a distance-vector routing protocol.

B.

A source tree has its root at the source, and a shared tree has its root at a designated rendezvous point.

C.

To stream multicast from source to receiver, a source tree uses PIM-SM and a shared tree uses PIM-DM.

D.

Source trees are the default type for bidirectional PIM. and PIM-DM uses shared trees by default.

Expert Solution
Questions # 77:

After changing the IP address on an IOS XR router, an engineer cannot ping the new address Which step did the engineer forget to complete?

Options:

A.

commit the configuration

B.

roll back the configuration

C.

save the running configuration

D.

merge the configuration

Expert Solution
Questions # 78:

Question # 78

Refer to the exhibit. HostB receives an IPTV traffic stream from the multicast source at 192.168 10.1. When router RB is powered down, it impacts multicast traffic forwarding to downstream peers. The RA and RB routers reside in the same physical location. Which two configurations must be implemented so that HostB receives the multicast stream even when RB is powered down? (Choose two )

Options:

A.

Enable PIM sparse mode on routers RC and RZ with a static RP address of 10.10.10.1.

B.

Set the backup RP address to 10 10 10.3 on routers RY and RZ.

C.

Enable bi-directional PIM on all routers.

D.

Enable PIM SSM mode on routers RA and RY.

E.

Set the RP address to 10.10.10.4 on all routers

Expert Solution
Questions # 79:

What Is a characteristic of a segment routing mapping server?

Options:

A.

It must be placed in the core of the network.

B.

It serves multiple VRFs.

C.

It must have an IGP adjacency.

D.

It applies SID mappings from one IGP instance to another IGP instance.

Expert Solution
Questions # 80:

Refer to the exhibit.

Question # 80

P1 and PE3 Cisco IOS XR routers are directly connected and have this configuration

applied. The BGP session is not coming up. Assume that there is no IP reachability problem and both routers

can open tcp port 179 to each other. Which two actions fix the issue? (Choose two.)

Options:

A.

Change MD5 to HMAC-SHA1-12

B.

Change MD5 to HMAC-ESP

C.

Change MD5 to SHA-1

D.

Change MD5 to HMAC-MD5

E.

Remove the send and accept lifetime under key 1

Expert Solution
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Viewing questions 71-80 out of questions