Which is not one of the three main functions of a layer-2 device?

A. Learning

B. Forwarding

C. Listening

D. Removing loops

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. Which of the following commands belongs on the physical interface when using dialer profiles?
  2. PPP can do all of the following except ___________.
  3. Which of the following is true concerning 802.1Q?
  4. _________ is/are a routed protocol.
  5. The 1900 switch supports ________ VLANs.
  6. What would you use to prevent a packet from traveling around a routing loop forever?
  7. Which of the following is a Network layer protocol for the TCP/IP protocol stack?
  8. is a Class __________ address.
  9. Which 2950 command enables trunking?
  10. Which of the following is false concerning CHAP?
  11. EIGRP will route for ___________.
  12. Which of the following reasons might you need to use address translation?
  13. What would you enter to see the last few commands you entered?
  14. With a rollover cable, pin 7 on one end is mapped to pin ________ on the other end.
  15. A _________ is used to connect networking devices that are in a very close geographic area, such as…
  16. You have a total of five routers. ________ circuits are required to fully mesh the network, where every…
  17. The default encapsulation on a synchronous serial interface is _________.
  18. You are given a class C network and you have four LAN segments with the following numbers of devices:…
  19. Which of the following is a disadvantage of SANs?
  20. VLSM allows you to summarize and as
  21. RIP generates routing updates every _________ seconds.
  22. BPDU stands for ____________.
  23. A routing protocol that supports route summarization must perform all except which of the following?
  24. Which prompt indicates that you are at User EXEC mode?
  25. When using the show interfaces command, which Frame Relay information can you not see?
  26. Your router is running RIP and OSPF and both routing protocols are learning Which routing…
  27. With _________ switching, the switch reads the destination MAC address of the frame andimmediately starts…
  28. Which of the following is not true concerning TCP?
  29. Choose the following that a standard IP ACL can match on.
  30. Which router command would you use to test only layer-3 connectivity?