WAN 1000+ MCQ with answer for SSC GD

1. Which of the following is true concerning ISL?
A. It is supported on both the 1900 and 2950 switches.
B. It adds a 26-byte trailer and 4-byte header.
C. Tagging is done in software.
D. The original Ethernet frame is not modified.
Answer : D

2. There are _________ actions a router can take when there is a match on an ACL statement
A. 1
B. 2
C. 3
D. 4
Answer : B

3. How many steps do LCP and NCP go through when setting up a connection?
A. 1
B. 2
C. 3
D. 4
Answer : C

4. When connecting a router to a PC, use a __________ cable.
A. Crossover
B. Straight-through
C. Rollover
D.
Answer : A

5. _________ allows you to create this summarization: 10.0.0.0/7.
A. Subnetting
B. CDR
C. Supernetting
D. VLSM
Answer : C

6. How would you suspend a telnet session?
A. CTRL-SHIFT-X 6
B. CTRL-SHIFT-6 X
C. CTRL-6 X
D. CTRL-C
Answer : B

7. Enter the wildcard mask value to match on every bit position in an address: _________.
A. 255.0.0.0
B. 0.0.0.0
C. 255.255.255.255
D. 255.255.0.0
Answer : B

8. An OSPF's router ID is based on __________.
A. The lowest IP address on its loopback interface, if configured, or the lowest IP address onits active interfaces
B. The highest IP address on its loopback interface, if configured, or the highest IP address on its active interfaces
C. The highest IP address on its active interfaces, if configured, or the highest IP address on its loopback interfaces
D. The lowest IP address on its active interfaces, if configured, or the lowest IP address on its loopback interfaces
Answer : B

9. OSPF supports a ________-layer hierarchical design.
A. 1
B. 2
C. 3
D. Multi
Answer : B

10. When configuring the ip nat inside source command, which parameter must you specify to perform PAT?
A. pat
B. overload
C. load
D. port
Answer : B

11. Which of the following is a disadvantage of SANs?
A. Distance limitation
B. Cost
C. Overhead
D. Management
Answer : B

12. 191.75.39.24 is a Class __________ address.
A. A
B. B
C. C
D. None of the above
Answer : B

13. You execute the line console 0 command from Configuration mode. What will the router's prompt be?
A. Router(config)#
B. Router(config-line)#
C. Router(config-interface)#
D. Router#(config-if)
Answer : B

14. Private addressing is defined in RFC ______.
A. 1920
B. 1934
C. 1818
D. 1918
Answer : D

15. _________ negotiates the data link and network layer protocols that will traverse a PPP connection.
A. LCP
B. NCP
C. CDP
D. PAP
Answer : B

16. What subnet mask would you use to set up a default route?
A. 0.0.0.0
B. 255.255.255.255
C. Depends on the type of network number
D. None of these answers
Answer : A

17. With _________ switching, the switch reads the destination MAC address of the frame and
immediately starts forwarding the frame.
A. Store-and-forward
B. Cut-through
C. Fragment-free
D. Runtless
Answer : B

18. Which protocol supports VLSM?
A. RIPv2
B. IGRP
C. RIP and IGRP
D. None of these
Answer : A

19. IOS images can be loaded from all the following except:
A. ROM
B. Flash
C. NVRAM
D. TFTP
Answer : C

20. A VTP server switch generates a summary advertisement every _________ minutes.
A. 1
B. 2
C. 3
D. 5
Answer : D

21. What would you use to prevent a packet from traveling around a routing loop forever?
A. Split horizon
B. Poison reverse
C. Hold-down timer
D. TTL
Answer : D

22. _________ defines how the Frame Relay DTE and DCE interact with each other.
A. DLCI
B. CIR
C. LMI
D. PMI
Answer : C

23. You have a total of five routers. ________ circuits are required to fully mesh the network, where every router needs ___________ interfaces.
A. 5, 5
B. 8, 4
C. 10, 5
D. 10, 4
Answer : D

24. RIP has a hold-down period of ____________ seconds.
A. 60
B. 120
C. 180
D. 280
Answer : C

25. Which router command creates a standard named ACL called test?
A. ip access-list test
B. access-list test
C. ip access-list standard test
D. access-list standard test
Answer : C

26. A __________ route is the best path to reach a destination within the topology table.
A. Successor
B. Feasible successor
C. Advertised distance
D. Feasible distance
Answer : A

27. When connecting a switch to a router, use a ___________ cable.
A. Crossover
B. Straight-through
C. Rollover
D.
Answer : B

28. Which of the following situations are best for DDR connections?
A. Primary WAN connection
B. A lot of constant traffic
C. Long phone calls
D. Backup connection
Answer : D

29. Which type of traffic is sent to a group of devices?
A. Multicast
B. Unicast
C. Broadcast
D. Groupcast
Answer : A

30. A _________ looks at OSI Reference Model layers 4-7 to make intelligent decisions about how to obtain information for a user.
A. SAN
B. LAN
C. CN
D. SAN and CN
Answer : C

31. Which of the following trunking methods is/are proprietary to Cisco?
A. 802.1Q
B. 802.10
C. LANE
D. ISL
Answer : B

32. A _________ uses Gigabit Ethernet as a media type
A. WAN
B. LAN
C. MAN
D. LAN and MAN
Answer : D

33. Which command takes you from Privilege EXEC mode to User EXEC mode?
A. enable
B. disable
C. exit
D. logout
Answer : B

34. 172.16.240.256 is a class __________ address.
A. A
B. B
C. C
D. None of the above
Answer : D

35. OSPF uses __________ as a metric.
A. Bandwidth
B. Delay
C. Cost
D. Hop count
Answer : C

36. You have ISL trunks in your network and five VLANs configured. How many instances of STP are running?
A. 1
B. 5
C. 10
D. 15
Answer : B

37. Which 1900 command enables port security?
A. port security
B. switchport security
C. port secure
D. switchport port-security
Answer : C

38. Extended traceroute works from which mode?
A. User EXEC
B. Privilege EXEC
C. Configuration
D. User and Privilege EXEC
Answer : B

39. An idle DDR connection will be torn down after _________ seconds of not seeing interesting traffic.
A. 120
B. 122
C. 130
D. 132
Answer : A

40. You are given a Class C network with a subnet mask of 255.255.255.248. How many host addresses are there on each subnet?
A. 4
B. 6
C. 8
D. 14
Answer : B

41. You are in Interface Subconfiguration mode and want to completely return to Privilege EXEC mode. What would you enter? (Choose all correct answers.)
A. CTRL-Z
B. end
C. exit
D. logout
Answer : A

42. ________ topologies in NBMA environments do not have problems with split horizon.
A. Partially meshed
B. Fully meshed
C. Hub and spoke
D. Star
Answer : B

43. Which is an example of a hybrid protocol?
A. IGRP
B. EIGRP
C. RIPv1
D. OSPF
Answer : B

44. With a rollover cable, pin 7 on one end is mapped to pin ________ on the other end.
A. 2
B. 3
C. 4
D. 5
Answer : A

45. An _____________ is a public IP address associated with an inside device.
A. Inside global IP address
B. Inside local IP address
C. Outside global IP address
D. Outside local IP address
Answer : A

46. Which would you use to move your cursor back one word?
A. ESC-B
B. esc-p
C. ctrl-b
D. ctrl-p
Answer : A

47. The _________ reference point defines the connection between the NT2 and the NT1.
A. P
B. Q
C. R
D. T
Answer : D

48. Which frame field is different between ISO HDLC and Cisco's HDLC?
A. Address
B. Control
C. Flag
D. Proprietary
Answer : D

49. If you wanted a list of parameters for the show command, you would type ________.
A. LOOK
B. VIEW
C. SHOW
D.
Answer : C

50. What would you enter to see the last few commands you entered?
A. show version
B. show commands
C. show previous
D. show history
Answer : D