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Question # 4

What are the two characteristics of route reflectors? (Choose two.)

A.

If a router received an iBGP route with the originator-ID attribute set to its owm router ID, the route is discarded.

B.

Routes received from nonclient peers are reflected to route reflector clients as well as nonclient peers.

C.

Routes received from nonclient peers are reflected to route renector cluster as well as OSPF peers.

D.

If a route reflector receives a route with a cluster-list attribute containing a different cluster ID, the route is discarded.

E.

Routes received from a route reflector Client are reflected to other clients and nonclient peers.

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Question # 5

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?

A.

commit the configuration

B.

roll back the configuration

C.

save the running configuration

D.

merge the configuration

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Question # 6

Which feature is used in multicast routing to prevent loops?

A.

STP

B.

inverse ARP

C.

RPF

D.

split horizon

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Question # 7

Refer to me exhibit.

A network engineer sets up a multihoming eBGP topology where multiple Autonomous Systems connect to ASN 64501. The engineer wants to block all the routers coming from ASN 64502. but allow all the others. For that purpose, the following AS Pam prefix 1st s being used:

What must be fixed to achieve this result?

A.

The AS-PATH filter must be defined inside the route-map mode

B.

At the end ip as-path access-list 10 permit .* must be included

C.

The statement must be modified with ip as-path access-list 1 deny _64502_

D.

The statement must CM modified with ip as path access list 1 deny A64502$

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Question # 8

Which statement about BFD on Cisco IOS XR Software is true?

A.

Cisco IOS XR router must use LDP to route back to the Cisco IOS router to establish the peer relationship.

B.

Cisco IOS XR Software does not support BFD multihop for IPv4.

C.

Cisco IOS XR router must use dynamic routing or a static route back to the Cisco IOS router to establish the peer relationship.

D.

BFD is not compatible between Cisco IOS XR and Cisco IOS Software.

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Question # 9

For which reason do you deploy BGP confederations within a BGP transit backbone?

A.

to support a larger number of eBGP peer sessions

B.

to increase the number of routes that can be redistributed between the running IGP and BGP

C.

to reduce the number of eBGP routes that must be shared between autonomous systems

D.

to reduce the number of iBGP peering sessions

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Question # 10

Refer to the exhibit.

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 action fixes the issue?

A.

Change HMAC-MD5 to HMAC-SHA1-20

B.

Configure the send and accept lifetime under key 1

C.

Change HMAC-MD5 to MD5

D.

Change HMAC-MD5 to HMAC-SHA1-12

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Question # 11

Refer to the exhibit.

A network operator is troubleshooting TE tunnels and discovers that the soft preemption is not working as desired. Where should the soft preemption be applied to solve the issue?

A.

on the tail-end device for tunnel-te1 192.168.0.7

B.

under the tunnel-te1 interface on PE1

C.

explicitly for tunnel-te 1 under the Cisco MPLS TE configuration mode after the timeout setting

D.

Under the interface Loopback0 necessary for this deployment type.

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Question # 12

Refer to the exhibit A network engineer installed a new router (router 3) at the regional hub running MPLS services for scalability Router 3 is connected to the 10.44 4.0,'24. 10.44 5.024. 10 44.6.0/24. and 10 44 7 0/24 subnets The new router has been configured for OSPF area 2. and it is advertising the four connected networks. The engineer noticed that the same networks are listed as interarea summary routes, and they are being flooded into each area on the area borders Which action resolves the issue?

A.

On router 3, configure an access list to filter the networks.

B.

On router 2, configure a route map to filter the networks.

C.

Under the OSPF configuration on router 3. add area 2 range 10.44.4.0 255.255.252.0.

D.

Under the OSPF configuration on router 2, add area 2 range 10.44.4.0 255.255.252.0.

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Question # 13

Refer to the exhibit.

Routers R1 and R2 reside in AS 65530, which is multihomed to the Internet. A network engineer expects devices in the AS to use R2 to access the Internet, but they are using R1 as the exit point from the AS. Which action corrects the problem?

A.

Add a sequence number to the route map to remove the implicit deny.

B.

Change the route map direction in the neighbor statement to out

C.

Configure the route map with a local preference of 200 or higher.

D.

Remove the neighbor statements from the address family configuration and activate the neighbor globally on R1.

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Question # 14

Refer to the exhibit.

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

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

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Question # 15

Refer to the exhibit.

Why is neighbor 10.1.5.5 stuck in “2WAY” state?

A.

Router ID 10.1.5.5 is not reachable from R2

B.

OSPF authentication has failed between R2 and 10.1.5.5

C.

It is an expected behavior when OSPF network type is broadcast

D.

OSPF parameters (Area ID or hello interval) are mismatched between R2 and 10.1.5.5

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Question # 16

Refer to the exhibit.

Which attribute can router 1 alter so that only other iBGP peers prefer to use 192.168.4.2

as the next hop for route 192.168.3.0/24?

A.

MED

B.

local preference

C.

origin

D.

weight

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Question # 17

While configuring Cisco NSF awareness, a network engineer enters the bgp graceful-restart command after the BGP session is established in a router that runs IOS XE Software. Graceful restart capabilities are not exchanged. Which two actions should be taken? (Choose two.)

A.

Reload the router

B.

Verity that BGP route dampening is configured

C.

Reduce BGP convergence time

D.

Issue the clear ip bgp * command

E.

Issue the show ip bgp neighbors command.

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Question # 18

Refer to the exhibit.

Which effect of this configuration is true?

A.

It sets the keepalive timer to 30 seconds and the hold timer to 240 seconds.

B.

It sets the keepalive timer to 30 milliseconds and the hold timer to 240 milliseconds

C.

It sets the hold timer to 30 milliseconds and the keepalive timer to 240 milliseconds

D.

It sets the hold timer to 30 seconds and the keepalive timer to 240 seconds

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Question # 19

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.

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Question # 20

Compare different features between OSPFv2 and OSPFv3. Drag and drop the descriptions of OSPF from the left onto the correct OSPF versions on the right.

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Question # 21

Which cost is the default when redistributing routes from BGP to OSPF?

A.

20

B.

1

C.

infinite

D.

automatic

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Question # 22

What are two differences between OSPF and IS-IS? (Choose two.)

A.

OSPF is a link-state routing protocol, and IS-IS is a distance-vector routing protocol.

B.

OSPF uses a router ID to identify a router, and IS-IS uses a system ID.

C.

OSPF elects a DR and a BDR, and IS-IS elects a DIS.

D.

Unlike OSPF. IS-IS supports virtual links.

E.

Unlike IS-IS routers, an OSPF router belongs to only one area in addition to the backbone area.

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Question # 23

Refer to the exhibit.

Router 1 has attempted to establish a Cisco MPLS TE tunnel to router 2, but the tunnel

has failed. Which statement about this configuration is true?

A.

Router 1 must define an explicit path to router 2

B.

Router 1 and router 2 must define the RSVP bandwidth reserved on the physical interfaces

C.

Router 2 must have a tunnel interface created with router 1 as the destination

D.

Router 1 must have Cisco MPLS TE enabled on interface gigabitethernet0/1

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Question # 24

Refer to the exhibit.

Routers RA and RB are IS-IS peers configured for NSF but router RC is an IS-IS peer without NSF capability If RA undergoes processor switchover what is the effect on the network environment?

A.

If RC is operating without the Cisco configuration option all three routers tear down their peering relationships and re-establish peering

B.

All peer relationships remain up and the link-state database is unchanged

C.

All peer relationships remain up, but the link-state database is rebuilt on each device

D.

If RC is operating without the Cisco configuration option only 2 routers tear down their peering relationships and re-establish peering

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Question # 25

Which command is used to enable BIDIR-PIM under global configuration mode for Cisco IOS XE Software?

A.

ip pim bidir ip

B.

multicast-routing

C.

ipv4 pim bidir-enable

D.

Ip pim bidlr-enable

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Question # 26

Refer to the exhibit. An engineer working for a private telecommunication company with an employee id: 4233:46:364 notices that the customer network going through AS30-AS65001-AS65000 is experiencing packet drops when it accesses an application at 172.16.20.1/32 In the DC cloud. The BGP link between AS20 and AS30 is inaccessible because of a fiber cut. Routers RL, RN, and RZ are configured with confederation identifier 10. Which action resolves this Issue?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

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