1000+ WAN MCQ for RRB JE [Solved]

1. VLSM allows you to summarize 192.168.2.0/24 and 192.168.3.0/24 as 192.168.2.0/25.
A. True
B. False
C.
D.
Answer : B

2. Which of the following is a valid subnet mask value?
A. 255.0.255.255
B. 0.0.0.255
C. 255.255.254.0
D. 255.255.255.256
Answer : C

3. What uses 64 Kbps of bandwidth?
A. PRI
B. BRI
C. DS1
D. DS0
Answer : D

4. When examining the IP routing table, an EIGRP route will be shown as what letter?
A. I
B. E
C. O
D. D
Answer : D

5. _________ describe(s) users working from home.
A. SOHO
B. Branch office
C. Regional office
D. Corporate office
Answer : A

6. A ________ topology describes how devices communicate with each other.
A. Physical
B. Logical
C.
D.
Answer : B

7. 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

8. Distance vector protocols use ___________ to disseminate routing information.
A. Unicast
B. Multicast
C. Broadcast
D.
Answer : C

9. Which of the following is true concerning ACLs?
A. Order of the statements is automatic.
B. All statements are processed.
C. If no match is found, the packet is permitted.
D. You can delete a specific statement in a named list.
Answer : D

10. 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

11. You are given a class C network, 192.168.1.0/24. You need one network with 120 hosts and three networks with 60 hosts. What subnet mask values would you use?
A. 255.255.255.128 and 255.255.255.192
B. 255.255.255.128
C. 255.255.255.192
D. None of these
Answer : D

12. The _________ command takes you from User EXEC mode to Privilege EXEC mode
A. DISABLE
B. ENABLE
C.
D.
Answer : B

13. Which IGRP command allows unequal-cost load balancing?
A. variance
B. load
C. balance
D. network
Answer : A

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

15. When you have configured PPP on an interface and use the show interfaces command, what state indicates the successful negotiation of a network layer protocol?
A. ACK
B. CHALLENGE
C. CLOSED
D. OPEN
Answer : D

16. A _________ is a network that provides a secure connection from a company to other business partners.
A. Intranet
B. Extranet
C. Internet
D.
Answer : B

17. To recall a previous command, which of the following would you use?
A. CTRL-P
B. ctrl-n
C. ctrl-r
D. down arrow
Answer : A

18. A _________ is used to connect networking devices that are in a very close geographic area, such as a floor of a building, a building itself, or a campus environment.
A. WAN
B. LAN
C. MAN
D. LAN and MAN
Answer : B

19. Which of the following is not an advantage of route summarization?
A. It requires less memory and processing.
B. It supports smaller routing update sizes.
C. It contains network problems.
D. It supports discontiguous subnets.
Answer : D

20. 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

21. A ___________ in a bit position of a wildcard mask means that the same bit position in the condition address must match the same bit position in the wildcard mask in order to execute the ACL's action.
A. 0
B. 1
C. 10
D. 11
Answer : A

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

23. 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

24. Which interface type is used to connect to the serial interface of a router?
A. EIA/TIA-232
B. V.35
C. DB-60
D. X.21
Answer : C

25. __________ allows you to distribute connection requests destined to a single IP address to multiple machines.
A. Traffic load
B. Traffic configuration
C. PAT
D. Load distribution
Answer : D

26. If the 1900's mode is FDUP, and the LED is _________, the port speed is set to autodetect.
A. Green
B. Off
C. Amber
D. None of these
Answer : D

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

28. The TCP/IP protocol stack has ________ layers.
A. 4
B. 5
C. 6
D. 7
Answer : B

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

30. 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

31. The root switch is the one elected with the __________ __________.
A. Lowest MAC address
B. Highest MAC address
C. Lowest switch ID
D. Highest switch ID
Answer : C

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

33. You are given this address space: 172.16.5.0/25. You need one network with 64 hosts and two with 30 hosts. What are the most specific subnet mask values to use?
A. /25 and /26
B. /26 and /27
C. /27 and /28
D. None of these
Answer : D

34. RIP generates routing updates every _________ seconds.
A. 15
B. 30
C. 60
D. 90
Answer : B

35. Which type of routing protocol uses the Shortest Path First algorithm?
A. Distance vector
B. Link state
C. Hybrid
D.
Answer : B

36. A ___________ is similar to a telephone circuit-switched connection.
A. PVC
B. SVC
C.
D.
Answer : B

37. 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

38. RIP has a maximum hop count of ____________ hops.
A. 10
B. 15
C. 16
D. 100
Answer : B

39. Which router command would you use to view the configuration register value?
A. show register
B. show interfaces
C. show configuration
D. show version
Answer : D

40. EIGRP uses the _________ algorithm to update its routing table.
A. Bellman-Ford
B. Dijkstra
C. DUAL
D. Integrated
Answer : C

41. The ___________ converts an ISDN four-wire connection to a two-wire connection.
A. NT5
B. NP1
C. NT1
D. TN1
Answer : C

42. Which type of traffic is not flooded?
A. Multicast
B. Known unicast
C. Broadcast
D. Unknown unicast
Answer : B

43. A _________ provides a high-speed infrastructure to move data between storage devices and file servers.
A. SAN
B. LAN
C. CN
D. SAN and CN
Answer : A

44. The _________ is your network equipment, which includes the DCE (e.g., a modem) and the DTE (e.g., a router).
A. Demarcation point
B. Carrier switch
C. Local loop
D. CPE
Answer : D

45. VLSM allows a network segment to have more than one subnet mask.
A. True
B. False
C.
D.
Answer : B

46. You are given a Class B network with a subnet mask of 255.255.255.192. How many host
addresses are there on each subnet?
A. 30
B. 62
C. 126
D. 254
Answer : B

47. Which Frame Relay command is used to manually resolve addresses?
A. frame-relay interface-dlci
B. frame-relay map
C. frame-relay resolve
D. frame-relay lmi-type
Answer : B

48. 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

49. OSPF hellos are sent every __________ seconds on a multi-access medium.
A. 5
B. 10
C. 15
D. 40
Answer : B

50. 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