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Cisco 642-883 Online Practice Questions and Exam Preparation

642-883 Exam Details

  • Exam Code
    :642-883
  • Exam Name
    :Deploying Cisco Service Provider Network Routing
  • Certification
    :Cisco Certifications
  • Vendor
    :Cisco
  • Total Questions
    :174 Q&As
  • Last Updated
    :Dec 08, 2021

Cisco 642-883 Online Questions & Answers

  • Question 161:

    When redistributing EIGRP routes into OSPF as type E2 external OSPF routes, what is the default OSPF seed metric?

    A. Infinite
    C. 1
    D. 10
    E. 20

  • Question 162:

    An engineer is working for a service provider who is strategically important to the Internet data traffic. The CTO is promoting a core infrastructure upgrade to connect via optical links network service providers. Which three concerns must be addressed while planning the new BGP features and functionalities? (Choose three.)

    A. BGP suboptimal routing
    B. IPv4 exhaustion
    C. routers and switches hardware capabilities
    D. route dampening of current customers
    E. multihoming policies of new customers
    F. IGP reconvergence time on the inter-AS links
    G. BGP blackholing when acting as transit autonomous system

  • Question 163:

    Which three valid session commands are supported by peer session templates? (Choose three.)

    A. local-as
    B. as-override
    C. inherit peer-session
    D. inherit peer-policy
    E. disable-connected-check
    F. route-reflector-client

  • Question 164:

    For a Cisco IOS XR router, under which BGP configuration group can default-originate be added?

    A. session-group
    B. af-group
    C. neighbor-group
    D. peer-session template

  • Question 165:

    Which option can a network specialist use to configure connected route redistribution inside VRF "TEST" on Cisco IOS XR and allow only the prefix 10.10.10.0/24?

    A. route-policy ALLOW-CONN if destination in PERMIT_PREFIX then pass else drop end-policy prefix-set PERMIT_PREFIX 10.10.10.0/24 end-set router bgp 65000 vrf TEST rd 65000:10000 address-family ipv4 unicast redistribute connected route-policy ALLOW-CONN
    B. route-policy ALLOW-CONN if source in PERMIT_PREFIX then pass else drop end-policy prefix-set PERMIT_PREFIX 10.10.10.0/24 end-set router bgp 65000 vrf TEST rd 65000:10000 address-family ipv4 unicast redistribute connected route-policy ALLOW-CONN
    C. route-policy ALLOW-CONN if protocol is connected and source in PERMIT_PREFIX then pass else drop end-policy prefix-set PERMIT_PREFIX 10.10.10.0/24 end-set router bgp 65000 vrf TEST rd 65000:10000 address-family ipv4 unicast redistribute connected route-policy ALLOW-CONN"
    D. route-policy ALLOW-CONN if route-type is local and destination in PERMIT_PREFIX then pass else drop end-policy prefix-set PERMIT_PREFIX 10.10.10.0/24 end-set router bgp 65000 vrf TEST rd 65000:10000 address-family ipv4 unicast redistribute connected route-policy ALLOW-CONN

  • Question 166:

    A service provider is about to purchase more IPv4 address space. Which organization can facilitate this purchase?

    A. APNIC
    B. IETF
    C. USANOG
    D. IEEE
    E. NANOG

  • Question 167:

    What are three common problems that can cause a BGP neighbor state to toggle between the idle state and the active state? (Choose three.)

    A. BGP network command misconfiguration
    B. route policy misconfiguration
    C. AS number misconfiguration
    D. route map misconfiguration
    E. BGP neighbor peering to wrong IP address
    F. IGP routing problem: not able to reach the source IP address of the BGP open packet

  • Question 168:

    Refer to the show command output in the exhibit.

    For which reason will this router drop all traffic that is destined to the 1.1.1.0/24 network?

    A. The 1.1.1.0/24 route is not synchronized.
    B. The BGP next hop for reaching the 1.1.1.0/24 network is not reachable.
    C. The metric of the 1.1.1.0/24 route is set to 0.
    D. The weight of the 1.1.1.0/24 route is set to 0.
    E. The 1.1.1.0/24 route is an incomplete route.
    F. The IBGP split-horizon rule is preventing the router to use the IBGP route.

  • Question 169:

    Which two statements regarding OSPFv2 or OSPFv3 authentication are correct? (Choose two.)

    A. OSPFv2 supports MD5 authentication.
    B. OSPFv2 supports MD5 or SHA authentication.
    C. OSPFv2 relies on the native security stack that uses IPsec.
    D. OSPFv3 supports MD5 authentication.
    E. OSPFv3 supports MD5 or SHA authentication.
    F. OSPFv3 relies on the native security stack that uses IPsec.

  • Question 170:

    Refer to the Cisco IOS XE IS-IS configuration exhibit.

    What are two problems with the configuration that are causing the IPv4, or the IPv6, or the IPv4 and IPv6 IS-IS operations to fail? (Choose two.)

    A. The configuration is missing the interface gi0/0 and interface gi0/0 commands under router isis 1.
    B. The configuration is missing the address-family ipv4 unicast and address-family ipv6 unicast commands under router isis 1.
    C. IPv6 unicast routing has not been enabled globally on the Cisco IOS XE router.
    D. The gi0/0 and gi0/1 interfaces are not participating in the router isis 1 routing instance.
    E. Multitopology IS-IS must be enabled to support both IPv4 and IPv6.
    F. Another router isis instance must be enabled to support IPv6.

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