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Refer to the exhibit.

A network administrator must block ping from user 3 to the App Server only. An inbound standard access list is applied to R1 interface G0/0 to block ping. The network administrator was notified that user 3 cannot even ping user 9 anymore. Where must the access list be applied in the outgoing direction to resolve the issue?

A.

R2 interface G1/0

B.

R2 interface G0/0

C.

SW1 interface G1/10

D.

SW1 interface G2/21

Refer to the exhibit.

R1 is connected with R2 via GigabitEthernet0/0, and R2 cannot ping R1. What action will fix the issue?

A.

Fix route dampening configured on the router.

B.

Replace the SFP module because it is not supported.

C.

Fix IP Event Dampening configured on the interface.

D.

Correct the IP SLA probe that failed.

What are two features of BFD? (Choose two.)

A.

scalable

B.

replaces hello messages

C.

reliable

D.

intensive on CPU for Layer 2 links

E.

requires routing protocols

Which feature minimizes DoS attacks on an IPv6 network?

A.

IPv6 Binding Security Table

B.

IPv6 Router Advertisement Guard

C.

IPv6 Prefix Guard

D.

IPv6 Destination Guard

What are two purposes of using IPv4 and VPNv4 address-family configurations in a Layer 3 MPLS VPN? (Choose two.)

A.

The VPNv4 address is used to advertise the MPLS VPN label.

B.

RD is prepended to the IPv4 route to make it unique.

C.

MP-BGP is used to allow overlapping IPv4 addresses between customers to advertisethrough the network.

D.

The IPv4 address is needed to tag the MPLS label.

E.

The VPNv4 address consists of a 64-bit route distinguisher that is prepended to the IPv4prefix.

Refer to the exhibit A network engineer notices that R1 and R2 cannot establish an eBGP peering. The following messages appear in the log:

Which configuration must the engineer apply to R1 to restore the eBGP peering?

A)

B)

C)

D)

A.

Option A

B.

Option B

C.

Option C

D.

Option D

A network administrator is trying to access a branch router using TACACS+ username and password credentials, but the administrator cannot log in to the router because the WAN connectivity is down. The branch router has following AAA configuration:

Which command will resolve this problem when WAN connectivity is down?

A.

aaa authentication login default group tacacs+ local

B.

aaa authentication login default group tacacs+ enable

C.

aaa authentication login default group tacacs+ console

D.

aaa authentication login console group tacacs+ enable

Refer to the exhibit.

An engineer must configure DMVPN Phase 3 hub-and-spoke topology to enable a spoke-to-spoke tunnel. Which NHRP configuration meets the requirement on R6?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Refer to the exhibit. Site1 must perform unequal cost load balancing toward the segments behind Site2 and Site3. Some of the routes are getting load balanced but others are not. Which configuration allows Site1 to load balance toward all the LAN segments of the remote routers?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

What is a MPLS PHP label operation?

A.

Downstream node signals to remove the label.

B.

It improves P router performance by not performing multiple label lookup.

C.

It uses implicit-NULL for traffic congestion from source to destination forwarding

D.

PE removes the outer label before sending to the P router.

What is an advantage of implementing BFD?

A.

BFD provides faster updates for any flapping route.

B.

BFD provides millisecond failure detection

C.

BFD is deployed without the need to run any routing protocol

D.

BFD provides better capabilities to maintain the routing table

Refer to the exhibit A customer reported a failure and intermittent disconnection between two office buildings site X and site Y The network team finds that site X and site Y are exchanging email application traffic with the data center network Which configuration resolves the issue between site X and site Y?

A)

B)

C)

D)

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Refer to the exhibit The route to 192 168 200 0 is flapping between R1 and R2 Which set of configuration changes resolves the flapping route?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Which table is used to map the packets in an MPLS LSP that exit from the same interface, via the same next hop, and have the same queuing policies?

A.

RIB

B.

FEC

C.

LDP

D.

CEF

Refer to the exhibit. AS 111 mut not be used as a transit AS, but ISP-1 is getting ISP-2 routes from AS 111. Which configuration stops Customer AS from being used as a transit path on ISP-1?

A.

ip as-path access-list 1 permit ^$

B.

ip as-path access-list 1 permit_111_

C.

ip as-path access-list 1 permit."

D.

ip as-path access-list 1 permit ^111$