CISCO Mpls Quiz

21 Questions | Total Attempts: 2465

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CISCO Quizzes & Trivia

Questions and Answers
  • 1. 
    On what Cisco propriatary technology is MPLS based?
    • A. 

      PaGP

    • B. 

      CEF

    • C. 

      ISL

  • 2. 
    What table is created by CEF?
    • A. 

      Arp table

    • B. 

      FIB

    • C. 

      IP Route Table

  • 3. 
    With MPLS how are forwarding decisions made
    • A. 

      Static route

    • B. 

      BGP

    • C. 

      Layer 2 label

  • 4. 
    • A. 

      LSR Label Switching Router

    • B. 

      FIB Forwarding Information Base router

    • C. 

      LDP Label Discovery Protocol router

  • 5. 
    What are the actions of adding and removing labels called with MPLS?
    • A. 

      Plug and play

    • B. 

      Wipe on wipe off

    • C. 

      Push and pop

  • 6. 
    Label 3 routing protocols and label exchange protocols exist at which MPLS plane?
    • A. 

      Transport plane

    • B. 

      Control plane

    • C. 

      Data plane

    • D. 

      Sarengeti plane

  • 7. 
    Sends data based on L3 or L2 information and takes care of label swapping..
    • A. 

      Transport plane

    • B. 

      Control plane

    • C. 

      Data plane

    • D. 

      Sarengeti plane

  • 8. 
    Where does the MPLS label live in a data frame?
    • A. 

      Between IP and data

    • B. 

      Between IP and MAC

    • C. 

      Within the IP layer

  • 9. 
    How many bits in an MPLS label?
    • A. 

      10

    • B. 

      16

    • C. 

      20

  • 10. 
    What are the four portions of MPLS info in a data frame?
    • A. 

      Label, Experimental, BS (last label in stack), TTL

    • B. 

      Label, TTL, Checksum

    • C. 

      Label, Experimental, TTL

  • 11. 
    This device adds or strips labels for frames entering or exiting the provider MPLS network.
    • A. 

      Core router

    • B. 

      Edge Label Switch Router

    • C. 

      Edge Switch

  • 12. 
    Official routing protocol of MPLS
    • A. 

      RIPv2

    • B. 

      FIB Forwarding Information Base

    • C. 

      LDP Label Distribution Protocol.

  • 13. 
    Table of networks and labels.
    • A. 

      FIB

    • B. 

      LFIB

    • C. 

      LIB

  • 14. 
    Action state - If you see this label take this direction.
    • A. 

      FIB

    • B. 

      LIB

    • C. 

      LFIB

  • 15. 
    LIB + FIB = 
    • A. 

      FLIB

    • B. 

      FLIBBER

    • C. 

      LFIBBED

    • D. 

      LFIB

  • 16. 
    Once labels are exchangedvia LDP between two routers _____ is built?
    • A. 

      FIB

    • B. 

      LIB

    • C. 

      FLIB

    • D. 

      LFIB

  • 17. 
    Neighbor Discovery Session establishment Label Distribution/exchange
    • A. 

      LDP's three steps

    • B. 

      VTP's three steps

    • C. 

      PAgP's three steps

  • 18. 
    To what multicast address are LDP hellos sent?
    • A. 

      224.0.0.10

    • B. 

      224.0.0.5

    • C. 

      224.0.0.2

  • 19. 
    On what UDP port is LDP sent?
    • A. 

      22

    • B. 

      646

    • C. 

      464

  • 20. 
    What is the difference between the FIB and the LFIB?
    • A. 

      FIB forwards IP packets while LFIB forwarded *labelled* IP packets.

    • B. 

      FIB forwards routing information while LFIB forwards label routing information.

    • C. 

      FIB forwards full label paths while LFIB forwards only limited path information.

  • 21. 
    How are LIB label bindings learned?
    • A. 

      Via LDP from other routers.

    • B. 

      Via IS-IS.

    • C. 

      Via LDP from your switch.