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___________ defines LAPD, which is responsible for the data-link layer connection between the router and the ISDN switch.

A. Q.931

B. Q.921

C. I.921

D. I.931

You can do it
  1. A ________ topology describes how devices communicate with each other.
  2. A routing protocol will use a _________ to determine which path is the best path.
  3. How many steps do LCP and NCP go through when setting up a connection?
  4. An idle DDR connection will be torn down after _________ seconds of not seeing interesting traffic.
  5. Enter the wildcard mask value to match on every bit position in an address: _________.
  6. A _________ is used to connect networking devices that are in a very close geographic area, such as…
  7. Which of the following is true concerning full-duplexing?
  8. With _________ switching, the switch reads the destination MAC address of the frame andimmediately starts…
  9. What would you use to prevent a packet from traveling around a routing loop forever?
  10. Which is not one of the three main functions of a layer-2 device?
  11. ___________ only translates one (and only one) IP address to another.
  12. You are given a Class C network, 192.168.1.0/24. You need one network with 120 hostsand two networks…
  13. When configuring the ip nat inside source command, which parameter must you specify to perform PAT?
  14. Which router command would you use to test only layer-3 connectivity?
  15. RIP supports load balancing for up to __________ ___________ paths.
  16. ___________ defines LAPD, which is responsible for the data-link layer connection between the router…
  17. OSPF hellos are sent every __________ seconds on a multi-access medium.
  18. With a rollover cable, pin 7 on one end is mapped to pin ________ on the other end.
  19. You are in Interface Subconfiguration mode and want to completely return to Privilege EXEC mode. What…
  20. IOS images can be loaded from all the following except:
  21. Which frame field is different between ISO HDLC and Cisco's HDLC?
  22. ________ topologies in NBMA environments do not have problems with split horizon.
  23. _________ negotiates the data link and network layer protocols that will traverse a PPP connection.
  24. BPDU stands for ____________.
  25. Which of the following is false concerning CHAP?
  26. A ___________ is similar to a telephone circuit-switched connection.
  27. Which of the following is the most expensive type of WAN connection?
  28. Which of the following is a valid subnet mask value?
  29. During the learning function, the switch places addresses and ports in a(n) _________ table.
  30. Which type of routing protocol uses the Shortest Path First algorithm?