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Refer to the exhibit.

A network engineer must optimize link failures on the OSPF routing domain. The solution must follow RFC 5286. and downtime must be no more than 50 ms. All known subnets on R1 must be protected. Which solution must the engineer implement on R1?

A.

Configure fp ospf frr per-prefix candidate enable high under the interface configuration.

B.

Configure Ip ospf fast-reroute per-prefix candidate enable under the interface configuration.

C.

Configure fast-reroute per-prefix enable prefix-priority low under the global OSPF configuration.

D.

Configure frr per-prefix enable priority high under the global OSPF configuration.

Which two conditions must be met before separate ISPs can provide interdomain multicast routing? (Choose

two.)

A.

Each ISP must configure MSDP to connect its individual multicast administrative domain to the domains at other ISPs.

B.

Each ISP must dedicate a single router to handle multicast traffic between providers.

C.

Each ISP must replace its RP assignment with a global RP.

D.

Each ISP must configure its network to use PIM-DM.

E.

Each ISP must support intradomain multicast routing.

Refer to the exhibit.

The four routers in this network have formed adjacencies. Router R2 is an IS-IS level 1-2 router that connects to other areas, and the attach bit is set in the R2 level 1 LSP advertisements to R1. According to the network design, R2 should push level 2 routes from its routing table to the R1 routing table. However, R1 installed a default route in its routing table. Which action resolves this problem?

A.

Use The is-type level-1-2 backdoor command lo unset the attach bit on R1 and use a prefix List to filter prefixes from R2

B.

Set the attach bit on R1and use a prefix list to filter prefixes from R2.

C.

Use the is-type level-1-2 backdoor command to unset the attach bit on R2 and configure a distribute-list to redistribute prefixes to R1

D.

Configure R2 as a level 1 router and use a prefix list to filter prefixes to R1.

Refer to the exhibit.

A customer reports that Host-1 is failing to receive streaming traffic from the IPTV source. The engineer has confirmed that hosts on router R2 are receiving traffic normally and that Host-1 is correctly sending subscription messages to join the IPTV stream. Which action must the engineer take to correct the problem?

A.

Configure IP PIM SSM and IGMP version 2 under interface GigatxtEthernet 1/0/1 on R3

B.

Configure IGMP version 3 under interface GigabitEthernet 1/(V1 on R3

C.

Remove IP PIM SSM and IGMP from interface GigaEthernet 1/0/1 on R3 and configure under global configuration

D.

Remove IP PIM SSM from the global configuration on R3 and configure it under the GigabitEthernet 1/0/1 interface

An engineer is troubleshooting slow performance issues on a customer’s network after the last multicast configuration change was applied on it While checking the running configuration on the router the engineer notices there are many ip igmp join-group commands applied on several interfaces of the router which caused the high CPU utilization usage. What action must the engineer take to solve this issue?

A.

Configure ip igmp static-group command on all interfaces

B.

Remove ip igmp join-group command on all unnecessary interfaces

C.

Configure all router interfaces to be process-switched by increasing the query interval

D.

Remove unnecessary members from the IGMP group

NO: 93

Which fact must a network architect consider when implementing IGMP in a multicast routing environment?

A.

If SSM is in use IGMPv3 must be enabled

B.

If BISS support is required IGMPv2 must be enabled

C.

If leave latency is critical IGMPv3 must be enabled

D.

If PIM-DM is required, IGMPv2 must be enabled

A network engineer is troubleshooting OSPF multiarea. Which Cisco IOS XR feature should the engineer use in order to streamline OSPF issue?

A.

hierarchical CLI

B.

routing process enabled by default on all interfaces

C.

DR support for topology management

D.

show lp ospf topology command

Refer to the exhibit. Router R1 is expected to receive routes that originate from AS 65547 only. However, R1 is receiving routes from AS 65547 and several other ASs that are directly attached to it. Which change to the AS path permit filter corrects the problem?

A.

Change the regular expression to $.

B.

Change the regular expression to.*.

C.

Change the regular expression to _65547_.

D.

Change the regular expression to A65547$

Which difference must an engineer consider when choosing whether to implement OSPF or IS-IS as the routing protocol on the network?

A.

The OSPF DR election process is deterministic, and the IS-IS DS election process is not deterministic.

B.

To support fast convergence. OSPF uses the LSA arrival timer and IS-IS uses the PRC-interval timer.

C.

IS-IS supports ordinary, stub, totally-stub. and NSSA areas, but OSPF supports only stub areas.

D.

IS-IS links are associated with either a Level 1 area or a Level 2 area at one time, but OSPF links are associated with multiple areas at one time.

Refer to the exhibit. Customer A and customer B are connecting through a service provider network with these requirements

    R1 acts as the mapping server to connect 10 0 0.0/30 and 172.16.0.0/30 networks

    R1 and R2 are using nondefault SRG8 range to allocate SID.

    R2 ads as the mapping client for transient traffic originating from customer A

Which configuration meets the requirements?

A.

Remove allocation of prefix SlDs for 10.0.0.0/30 and 172.16.0.0/30 on R1.

B.

Configure segment-routing prefix-sid-map advertise-local on R1

C.

Allocate prefix SIDs for 10.0.0.0-30 and 172.16 0.0/30 subnets on R2

D.

Configure segment-routing prefix-sid-map advertise-local on R2.