السؤال #1

Which statement describes the result of this BGP configuration?

A. R1 operates using IPv4 and VPNv4 address families

B. R1 operates on IPv6 only because the bgp default ipv4-unicast command is missing

C. R1 establishes a VPNv4 eBGP relationship with neighbor 192

D. R1 establishes an iBGP relationship with peer 192

عرض الإجابة

اجابة صحيحة: DEF

السؤال #2

An engineer needs to improve MPLS network management by implementing a set of tools to support the NOC engineers in troubleshooting network failures. Which feature should the engineer implement to check the connectivity of the MPLS LSP between the ingress and egress PE routers?

A. MPLS OAM

B. MPLS-TP

C. LDP autodiscovery

D. extended ping

عرض الإجابة

اجابة صحيحة: C

السؤال #3

How does Layer 3 VPN traffic traverse an ISP network?

A. Devices on the network use MPLS labels to share VPN routes between P routers in the network

B. Devices on the network use LSAs to share routes between P routers in the network

C. Devices on the network use MPLS labels to move VPN traffic through the network

D. Devices on the network use GRE tunnels to move traffic between VRFs

عرض الإجابة

اجابة صحيحة: A

السؤال #4

Topic 1Which two statements describe primary differences between MPLS Layer 2 and Layer 3 VPNs? (Choose two.)

A. Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use L2TPv3 tunneling

B. Layer 2 VPNs use AToM, but Layer 3 VPNs use MPLS/BGP

C. Layer 2 VPNs use BGP, but Layer 3 VPNs use VPLS

D. Layer 2 VPNs use L2TPv3 tunneling, but Layer 3 VPNs use GRE tunneling

E. Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use pseudowires to provide tunneling

عرض الإجابة

اجابة صحيحة: BD

السؤال #5

An engineer is implementing an MPLS P2MP TE solution. Which type of router can serve as the midpoint router and the tailend router in this P2MP TE network implementation?

A. headend

B. source

C. transit

D. bud

عرض الإجابة

اجابة صحيحة: D

السؤال #6

An engineer is trying to configure an EVPN VWPS. What is the issue with this configuration?

A. The member in the VPWS context should be the PE-facing interface

B. The 12vpn evpn command should be instance 101

C. Interface GigabitEthernet0/1/0 should not have any IP address

D. The service instance and the EVPN instance are different

عرض الإجابة

اجابة صحيحة: A

السؤال #7

While implementing Layer 3 MPLS VPN, which feature should an engineer use at the PEs to transform the customer IPv4 prefixes into a unique 96-bit prefix

A. RT

B. VC ID

C. RD

D. PW ID

عرض الإجابة

اجابة صحيحة: C

السؤال #8

Topic 1Which utility can you use to validate an LSP in an MPLS environment?

A. uRPF

B. MPLS LSP ping

C. logging

D. RSVP

عرض الإجابة

اجابة صحيحة: B

السؤال #9

A customer carrier running MPLS VPN wants to utilize a backbone carrier to forward traffic and exchange VPNv4 prefixes between the two customer carriers networks depicted. Which two sets of routers must establish MP-iBGP sessions? (Choose two.)

A. BB-PE-A and CC-PE-B

B. CC-PE-A and CC-PE-B

C. BB-PE-A and BB-PE-B

D. CC-PE-A and BB-PE-A

E. BB-PE-A and BB-P-A

F. CC-PE-A and CC-P-A

عرض الإجابة

اجابة صحيحة: C

السؤال #10

What is the effect of this configuration?

A. The mroute table is cleared

B. Router 1 accepts multicast routes with a tag of 12:1

C. A Cisco MPLS TE tunnel is generated with 192

D. An LSP virtual interface tunnel is created

عرض الإجابة

اجابة صحيحة: A

السؤال #11

You are troubleshooting ARP connectivity issues for an Ethernet interface on an IOS XR network that runs IS- IS. You verify that the IGP protocol is running, but an ARP entry has not yet been created. Which action should you take?

A. debug ping packets

B. debug ARP

C. ping the connected neighbor

D. verify the RIB table routes

عرض الإجابة

اجابة صحيحة: C

السؤال #12

Which two BGP attributes prevent loops in a route reflector environment? (Choose two.)

A. cluster ID

B. local preference

C. origin

D. originator ID

E. AS_PATH

عرض الإجابة

اجابة صحيحة: AD

السؤال #13

Which tool identifies the point of failure in a P2MP LSP from the ingress LSR?

A. Jitter TLV

B. SPAN

C. P2MP traceroute

D. P2MP ping

عرض الإجابة

اجابة صحيحة: C

السؤال #14

An ISP provides a major client MPLS VPN for managed services. The MPLS engineering team needs to use the advanced VPN feature of selective VRF import so that only specific prefixes are present in the required VPNs. Which aspect of this feature must the team consider?

A. A route must pass the import route map first and then the route target import filter

B. The routers that are imported in the VRF can be BGP and IGP routes, so other match conditions in the route map, besides communities, can be used

C. The import-map command is applied under the PE interface that connects to the CE router

D. A route is imported into the VRF only when at least one RT that is attached to the route matches one RT that is configured in the VRF and the route is permitted by the import route map

عرض الإجابة

اجابة صحيحة: D

السؤال #15

Topic 1What is the primary function of a VRF on a router?

A. It enables the router to support multiple separate routing tables, which allows the device to handle overlapping IP addresses

B. It enables a router to run BGP and a distance vector routing protocol at the same time, which allows it to serve as a VPN endpoint between remote sites

C. It enables a router to configure VLANs locally, which provides segregation between networks

D. It enables the router to provide faster switching through the network by using labels to identify the input and output interfaces for neighbor routers

عرض الإجابة

اجابة صحيحة: A

السؤال #16

Refer to the exhibit Router 1 is a P router in the ISP MPLS core A connected P router cannot generate an MPLS label for the router 1 loopback0 interface Which action resolves this issue?

A. The loopback0 interface must be in OSPF area 0

B. The network statement under the routing process must have a wildcard mask of 0 0

C. The OSPF network type must be changed on loopback0 to point-to-point

D. A static route to null 0 must be added for the loopback interface and then static routes must be redistributed into OSPF

عرض الإجابة

اجابة صحيحة: D

السؤال #17

A network engineer has been called to configure the four PE devices in order to enable fullcommunication among the four CE devices connected to them. While starting to configure, he experienced a connectivityissue. Which two tasks should the engineer perform in order to begin the process correctly? (Choose two.)

A. Configure PE3 to export route-targets 100:1 and 200:2

B. Configure PE3 to import route-targets 100:1 and 200:2

C. Configure PE4 to import route-targets 101:1 and 202:2

D. Configure PE2 to export route-targets 300:3 and 400:4

E. Configure PE1 to import route-targets 300:3 and 400:4

عرض الإجابة

اجابة صحيحة: AB

السؤال #18

Which BGP feature causes to replace the AS number of originating router with the AS number of the sending router?

A. route reflectors

B. route dampening

C. confederations

D. AS override

عرض الإجابة

اجابة صحيحة: A

السؤال #19

A network architect is troubleshooting the L2TPv3 tunneling security due to the untrusted nature of the underlaying network. Which two L2TPv3 features does the architect deploy to address the ongoing issues? (Choose two.)

A. TCP MD5 authentication

B. control message hashing

C. CHAP authentication

D. control message rate limiting

E. asymmetric mutual authentication with PSK

عرض الإجابة

اجابة صحيحة: AD

السؤال #20

Which utility can you use to validate an LSP in an MPLS environment?

A. uRPF

B. MPLS LSP ping

C. logging

D. RSVP

عرض الإجابة

اجابة صحيحة: AE

السؤال #21

If the two devices are operating normally, which two conclusions can you draw from this configuration?(Choose two.)

A. CE1 must use OSPF to establish a neighbor relationship with PE1

B. PE1 labels the routes it learns from CE1 with the route-target 222:2 and shares them with its VPNv4 peers

C. PE1 labels the routes it learns from CE1 with the route-target 111:1 and shares them with its VPNv4 peers

D. The PE-CE routes between the devices are being exchanged by OSPF

E. CE1 is supporting CSC

عرض الإجابة

اجابة صحيحة: AD

السؤال #22

While troubleshooting EoMPLS configuration problems, which three parameters should an engineer match between the two ends of the pseudowire configurations? (Choose three.)

A. VLAN name

B. Xconnect group name

C. EFP subinterface number

D. pseudowire ID

E. MTU size

F. control word usage

عرض الإجابة

اجابة صحيحة: D

السؤال #23

While configuring the VRF Selection feature, you get an error message after typing the below statement: Router(config)#no vrf selection source 172.16.0.0 255.255.0.0 vrf VRF1 Which action caused this message?

A. the entry of an inconsistent IP address and mask for VRF Selection

B. an attempt to configure a VRF instance on an interface that already has VRF Selection configured

C. an attempt to remove a VRF Selection entry that does not exist

D. an attempt to configure a VRF Selection table that does not exist

عرض الإجابة

اجابة صحيحة: B

السؤال #24

Which optional information can be included with an IPv6 ping to support the troubleshooting process?

A. IPv4 IP address

B. source MAC address

C. destination MAC address

D. IPv6 hostname

عرض الإجابة

اجابة صحيحة: D

السؤال #25

Which statement describes the result of this configuration?

A. R1 redistributes BGP routes into the OSPF process of VRF custabc as E1 routes

B. R1 redistributes BGP routes into the OSPF process of VRF custabc as E2 routes

C. R1 mutually redistributes routes between BGP 65001 and the OSPF process of VRF custabc

D. R1 redistributes BGP routes into the OSPF process of VRF custabc as OIA routes

عرض الإجابة

اجابة صحيحة: BC

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