640-878 Exam Details

  • Exam Code
    :640-878
  • Exam Name
    :Building Cisco Service Provider Next-Generation Networks
  • Certification
    :Cisco Certifications
  • Vendor
    :Cisco
  • Total Questions
    :126 Q&As
  • Last Updated
    :Dec 15, 2021

Cisco 640-878 Online Questions & Answers

  • Question 11:

    Which IP addresses are matched by the permit 192.168.80.64 0.0.0.15 access-list entry?

    A. 192.168.80.64 to 192.168.80.255
    B. 192.168.80.64 to 192.168.80.96
    C. 192.168.80.64 to 192.168.80.95
    D. 192.168.80.64 to 192.168.80.80
    E. 192.168.80.64 to 192.168.80.79

  • Question 12:

    DRAG DROP

    Select and Place:

  • Question 13:

    Refer to the exhibit.

    A network engineer implemented these configurations. However, Intermediate System-to- Intermediate System (IS-IS) neighbors are unable to establish. What is the reason for this error?

    A. missing router IS-IS x command
    B. missing IP router IS-IS command
    C. missing network mask
    D. missing network statement
    E. missing MTU matching value

  • Question 14:

    When configuring a new VLAN on Cisco IOS switches, which configuration parameter is required?

    A. VLAN name
    B. native VLAN ID
    C. VLAN ID
    D. VLAN map
    E. VLAN MTU

  • Question 15:

    Which IOS Software solution is used for transporting RFC 1918 networks via IPSec + GRE VPNs over the internet?

    A. Dynamic Multipoint VPN
    B. Group Encrypted Transport VPN
    C. IPS
    D. URL Filtering

  • Question 16:

    Refer to the Cisco IOS XR configuration exhibit.

    Which statement about the configuration is true?

    A. This is a Level-2-only router.
    B. This is a Level-1-only router.
    C. The maximum IS-IS path metric is 63.
    D. This router belongs to area ID 0001.
    E. This configuration is missing the net configuration for the IPv6 unicast address family.

  • Question 17:

    Which two statements about the BGP weight attribute on Cisco routers are true? (Choose two.)

    A. It is a well-known discretionary attribute.
    B. It is only locally significant.
    C. Routes with higher weight are the preferred routes.
    D. It is used to influence the inbound traffic from the upstream AS.
    E. It is set to 100 by default.

  • Question 18:

    DRAG DROP

    Select and Place:

  • Question 19:

    Which Cisco IOS access list permits HTTP traffic that is sourced from host 10.1.129.100 port 3030 and that is destined to host 192.168.1.10?

    A. access-list 101 permit tcp any eq 3030
    B. access-list 101 permit tcp 10.1.128.0 0.0.1.255 eq 3030 192.168.1.0 0.0.0.15 eq www
    C. access-list 101 permit tcp 10.1.129.0 0.0.0.255 eq www 192.168.1.10 0.0.0.0 eq www
    D. access-list 101 permit tcp host 192.168.1.10 eq 80 10.1.0.0 0.0.255.255 eq 3030
    E. access-list 101 permit tcp 192.168.1.10 0.0.0.0 eq 80 10.1.0.0 0.0.255.255
    F. access-list 101 permit ip host 10.1.129.100 eq 3030 host 192.168.1.100 eq 80

  • Question 20:

    Within an MPLS domain, which table is used by the ingress edge LSR to make forwarding decisions when an unlabeled IP packet is received?

    A. FIB
    B. LFIB
    C. LIB
    D. MP-BGP
    E. VRF

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