السؤال #1

Users report issues with reachability between areas as soon as an engineer configured summary routes between areas in a multiple area OSPF autonomous system. Which action resolves the issue?

A. onfigure the area range command on the ASBR

B. onfigure the summary-address command on the ABR

C. onfigure the summary-address command on the ASBR

D. onfigure the area range command on the AB

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اجابة صحيحة: D

السؤال #2

An engineer is trying to copy an IOS file from one router to another router by using TFTP. Which two actions are needed to allow the file to copy?

A. opy the file to the destination router with the copy tftp: flash: command

B. onfigure the TFTP authentication on the source router with the tftp-server authentication local command

C. onfigure a user on the source router with the username tftp password tftp command

D. nable the TFTP server on the source router with the tftp-server flash: command

E. FTP is not supported in recent IOS versions, so an alternative method must be used

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اجابة صحيحة: AD

السؤال #3

Which label operations are performed by a label edge router?

A. USH and PHP

B. WAP and POP

C. USH and POP

D. WAP and PUS

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اجابة صحيحة: C

السؤال #4

An engineer configured Reverse Path Forwarding on an interface and noticed that the routes are dropped when a route lookup fails on that interface for a prefix that is available in the routing table. Which interface configuration resolves the issue?

A. p verify unicast source reachable-via allow-default

B. p verify unicast source reachable-via l2-src

C. p verify unicast source reachable-via rx

D. p verify unicast source reachable-via an

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اجابة صحيحة: D

السؤال #5

A newly installed router starts establishing an LDP session from another MPLS router to which it is not directly connected. Which LDP message type responds by target router to the initiating router using UDP protocol?

A. xtended discovery message

B. dvertisement message

C. otification message

D. ession messag

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اجابة صحيحة: A

السؤال #6

Which MPLS value is combined with the IP prefix to convert to a VPNv4 prefix?

A. -byte Route Distinguisher

B. -byte Route Target

C. 6-byte Route Target

D. 6-byte Route Distinguishe

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اجابة صحيحة: A

السؤال #7

What does the MP-BGP OPEN message contain?

A. he version number and the AS number to which the router belongs

B. LRI, path attributes, and IP addresses of the sending and receiving routers

C. PLS labels and the IP address of the router that receives the message

D. P routing information and the AS number to which the router belong

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اجابة صحيحة: A

السؤال #8

Which list defines the contents of an MPLS label?

A. 0-bit label; 3-bit flow label; 1-bit bottom stack, 8-bit hop limit

B. 0-bit label; 3-bit traffic class; 1-bit bottom stack, 8-bit TTL

C. 2-bit label; 3-bit traffic class; 1-bit bottom stack, 8-bit TTL

D. 2-bit label; 3-bit flow label; 1-bit bottom stack, 8-bit hop limi

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اجابة صحيحة: B

السؤال #9

Which two label distribution methods are used by routers in MPLS?

A. DP session protection message

B. ownstream unsolicited

C. DP discovery hello message

D. ownstream on demand

E. argeted hello messag

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اجابة صحيحة: BD

السؤال #10

An engineer configured two routers connected to two different service providers using BGP with default attributes. One of the links is presenting high delay, which causes slowness in the network. Which BGP attribute must the engineer configure to avoid using the high-delay ISP link if the second ISP ink is up?

A. EIGHT

B. ED

C. S-PATH

D. OCAL_PRE

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اجابة صحيحة: D

السؤال #11

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. IB

B. EF

C. DP

D. E

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اجابة صحيحة: D

السؤال #12

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

A. D is prepended to the IPv4 route to make it unique

B. he VPNv4 address consists of a 64-bit route distinguisher that is prepended to the IPv4 prefix

C. P-BGP is used to allow overlapping IPv4 addresses between customers to advertise through the network

D. he IPv4 address is needed to tag the MPLS label

E. he VPNv4 address is used to advertise the MPLS VPN label

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اجابة صحيحة: AC

السؤال #13

What is a prerequisite for configuring BFD?

A. o use BFD with BGP, the timers 3 9 command must first be configured in the BGP routing process

B. umbo frame support must be configured on the router that is using BFD

C. ll routers in the path between two BFD endpoints must have BFD enabled

D. isco Express Forwarding must be enabled on all participating BFD endpoints

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اجابة صحيحة: D

السؤال #14

A network administrator is troubleshooting a high utilization issue on the route processor of a router that was reported by NMS. The administrator logged into the router to check the control plane policing and observed that the BGP process is dropping a high number of routing packets and causing thousands of routes to recalculate frequently. Which solution resolves this issue?

A. olice the cir for BGP, conform-action transmit, and exceed action transmit

B. hape the cir for BGP, conform-action transmit, and exceed action transmit

C. olice the pir for BGP, conform-action set-prec-transmit, and exceed action set-clp-transmit

D. hape the pir for BGP, conform-action set-prec-transmit, and exceed action set-frde-transmit

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اجابة صحيحة: A

السؤال #15

What is a MPLS PHP label operation?

A. t uses implicit-NULL for traffic congestion from source to destination forwarding

B. ownstream node signals to remove the label

C. E removes the outer label before sending to the P router

D. t improves P router performance by not performing multiple label lookup

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اجابة صحيحة: D

السؤال #16

A CoPP policy is applied for receiving SSH traffic from the WAN interface on a Cisco ISR4321 router. However, the SSH response from the router is abnormal and stuck during the high link utilization. The problem is identified as SSH traffic does not match in the ACL. Which action resolves the issue?

A. ate-limit SSH traffic to ensure dedicated bandwidth

B. pply CoPP on the control plane interface

C. pply CoPP on the WAN interface inbound direction

D. ncrease the IP precedence value of SSH traffic to 6

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اجابة صحيحة: B

السؤال #17

An engineer notices that R1 does not hold enough log messages to identify the root cause during troubleshooting. Which command resolves this issue?

A. ogging buffered 4096 critical

B. ogging buffered 16000 critical

C. config)# logging buffered 16000 informational

D. config)# logging buffered 4096 informationa

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اجابة صحيحة: C

السؤال #18

An engineer is configuring a network and needs packets to be forwarded to an interface for any destination address that is not in the routing table. What should be configured to accomplish this task?

A. et ip next-hop

B. et ip default next-hop

C. et ip next-hop recursive

D. et ip next-hop verify-availabilit

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اجابة صحيحة: B

السؤال #19

What is a limitation of IPv6 RA Guard?

A. t is not supported in hardware when TCAM is programmed

B. ackets that are dropped by IPv6 RA Guard cannot be spanned

C. t does not offer protection in environments where IPv6 traffic is tunneled

D. t cannot be configured on a switch port interface in the ingress directio

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اجابة صحيحة: C

السؤال #20

Which two features are required for MPLS forwarding on which types of routers?

A. PLS on PE and core routers

B. DP on PE and CE routers

C. PLS on CE and core routers

D. DP on PE and core routers

E. EF on PE and CE router

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اجابة صحيحة: AD

السؤال #21

What is the role of LDP in MPLS networks?

A. t enables label binding that exchanges route descriptors

B. t disables label binding information to exchange with peer LSRs

C. t creates MPLS packet forwarding along with the IGP routes

D. t enables label binding information to exchange with peer LSRs

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اجابة صحيحة: D

السؤال #22

An engineer configured the wrong default gateway for the Cisco DNA Center enterprise interface during the instal.Which command must the engineer run to correct the configuration?

A. udo maglev reinstall

B. udo maglev-config update

C. udo maglev install config update

D. udo update config instal

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اجابة صحيحة: B

السؤال #23

How does an MPLS Layer 3 VPN function?

A. ultiple customer sites interconnect through service provider network to create secure tunnels between customer edge devices

B. et of sites interconnect privately over the Internet for security

C. ultiple customer sites interconnect through a service provider network using customer edge to provider edge connectivity

D. et of sites use multiprotocol BGP at the customer site for aggregatio

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اجابة صحيحة: C

السؤال #24

Which Layer 3 VPN attribute allows different customers to connect to the same MPLS network with overlapping IP ranges?

A. D

B. RF

C. P-BGP

D.

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اجابة صحيحة: B

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