Exam 26 December 2019,Latest Cisco CCNP Service Provider 642-883 questions and answers PDF

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642-883Q&As Deploying Cisco Service Provider Network Routing (SPROUTE)

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QUESTION 1 In Cisco IOS XE, which option is the default threshold value for slow peer detection? A. 120 seconds B. 180 seconds C. 240 seconds D. 300 seconds Correct Answer: D

QUESTION 2 Which configuration is used when matching a prefix-list in a route map? A. match ip address prefix-list mylist B. match ip address mylist C. match ip next-hop mylist D. ip local-policy route-map mylist E. ip-policy route-map mylist Correct Answer: A

QUESTION 3 Refer to the exhibit.

R1 is advertising subnets 1.1.1.X/32 via eBGP. XR2 must accept only the first seven subnets in its BGP table. Which configuration must occur on XR2 to meet these parameters?

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A. route-policy INBOUND if destination in FILTER then pass endifrouter bgp 100 neighbor 10.10.14.1 address-family ipv4 unicastroute-policy INBOUND in B. router bgp 100neighbor 10.10.14.1 address-family ipv4 unicastroute-policy FILTER in C. router bgp 100neighbor 10.10.14.1 address-family ipv4 unicastroute-policy SUBNETS in D. route-policy INBOUNDif destination in SUBNETS thenpass endifrouter bgp 100 neighbor 10.10.14.1 address-family ipv4 unicastroute-policy INBOUND in Correct Answer: A

QUESTION 4 Which option describes the configuration for a Cisco IOS XR OSPF router to give it the highest chances of becoming DR? A. ip ospf priority 0 under the OSPF interface statement B. ip ospf priority 0 under the OSPF area statement C. ip ospf priority 255 under the OSPF interface statement D. ip ospf priority 255 under the OSPF area statement E. Leave priority unchanged, but assign a high-numbered IP address on a loopback interface. F. Leave priority unchanged, but assign a high-numbered IP address on any physical interface. Correct Answer: C

QUESTION 5 Which of the following is a characteristic of dual-multihomed connectivity between an enterprise network and the service provider network or networks? A. An enterprise network that is connected to two or more different service providers with two or more links per service provider and using BGP to exchange routing updates with the service providers. B. Each service provider announces a default route on each of the links that connect to the customer with a different metric. C. An enterprise network announces a default route to each service provider. D. Load balancing can be achieved using the maximum-paths command. Correct Answer: A

QUESTION 6 Which option is the minimum required configuration to enable PIM on a Cisco IOS XR router interface?

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A. router pim address-family ipv4 interface GigabitEthernet0/0/0/0 B. router pim interface GigabitEthernet0/0/0/0 address-family ipv4 enable C. router pim address-family ipv4 interface GigabitEthernet0/0/0/0 enable D. router pim interface GigabitEthernet0/0/0/0 enable E. router pim address-family ipv4 interface GigabitEthernet0/0/0/0 address-family ipv4 enable Correct Answer: D

QUESTION 7 In an AS with 10 routers running IBGP, how many IBGP sessions will be required to establish fully meshed IBGP peerings? A. 10 B. 20 C. 45 D. 50 E. 99 F. 100 Correct Answer: C

QUESTION 8 What is the default OSPF seed metric and type? A. 10 and E1 B. 10 and E2 C. 20 and E1 D. 20 and E2 E. 0 and E1 F. 0 and E2 Correct Answer: D

QUESTION 9

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An engineer is deciding what BFD implementation would be most appropriate for a legacy and unstable Packet Over SONET link. Which solution should be suggested? A. aggressive timers with the lowest possible multiplier B. slow timers withthe lowest possible multiplier C. aggressive timers with a very high multiplier D. averages of a sequence of ping test response times to the remote peer Correct Answer: A

QUESTION 10 Which two statements are true about an EBGP session or an IBGP session? (Choose two.) A. IBGP uses AS-Path to detect routing information loops within the AS. B. EBGP routes have a default Admin Distance of 20 and IBGP routes have a default Admin Distance of 200. C. No BGP attributes are changed in EBGP updates except for the next-hop attribute if next-hop-self is configured. D. Routes learned from an EBGP peer not advertised to another EBGP peer to prevent routing information loops. E. IBGP uses split horizon to prevent routing information loops; routes learned from an IBGP peer are not advertised to another IBGP peer. Correct Answer: BE

QUESTION 11 An engineer has two routers multihomed to the Internet via BGP. The first should be the primary path for all outbound traffic and the second should automatically become active in the event the primary goes offline. Which method to configure the routers is the most simple? A. Set the local-preference to be higher on the primary router. B. Set the local-preference to be lower on the primary router. C. Set the MED to be higher on the primary router than the backup. D. Set the primary router to have a higher weight than the backup. Correct Answer: A

QUESTION 12 Refer to the network diagram in the exhibit.

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Assuming the IBGP session within AS 64500 was established using the loopback 0 interface between the two routers, by default, what will be the next hop of the routes from AS 64501 when the routes appear on the router running IBGP only in AS 64500? A. 192.168.101.11 B. 192.168.101.10 C. 10.1.1.1 D. 10.0.1.1 E. 10.1.10.1 Correct Answer: A

QUESTION 13 Refer to the exhibit.

R2 does not have R1 1.1.1.1/32 subnet in its BGP table. Which issue can be causing this problem? A. There is no route-reflector configuration in AS 100.

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B. IPv4 address-family isnot enabled on R1. C. R2 does not have next-hop-self for a XR4 iBGP session. D. XR4 drops any update coming from R1 because there is no RPL policy applied. Correct Answer: D

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