NEET PG - WAN 1000+ MCQ [Solved] PDF Download

1. You are given a Class C network with 25 bits of networking. How many subnets do you have?
A. 1
B. 2
C. 3
D. 4
Answer : B

2. Which router command would you use to test only layer-3 connectivity?
A. telnet
B. show cdp traffic
C. show interfaces
D. traceroute
Answer : D

3. What command activates the IP routing process?
A. router
B. enable
C. network
D. no shutdown
Answer : C

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. 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

6. 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

7. 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

8. When using the show interfaces command, which Frame Relay information can you not see?
A. The DLCI number used for LMI
B. The number of LMIs sent and received
C. Statuses of PVCs
D. The LMI type
Answer : C

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

10. 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

11. When backing up your IOS image from flash, which of the following will the copy flash tftp command prompt you for? (Choose all correct answers.)
A. TFTP server IP address
B. Verification to copy
C. Source filename
D. Destination filename
Answer : A

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

13. Which router command performs an overwrite process? (Choose all correct answers.)
A. copy running-config startup-config
B. copy startup-config running-config
C. copy tftp running-config
D. copy running-config tftp
Answer : A

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

15. Which types of memory do not maintain their contents during a power-off state?
A. NVRAM
B. ROM
C. RAM
D. Flash
Answer : C

16. Which of the following is false concerning VLANs?
A. A VLAN is a broadcast domain.
B. A VLAN is a logical group of users.
C. A VLAN is location-dependent.
D. A VLAN is a subnet.
Answer : C

17. Which router command would take you back to a suspended telnet session?
A. reconnect
B. connect
C. resume
D. toggle
Answer : C

18. 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

19. 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

20. ___________ 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
Answer : B

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

22. EIGRP will route for ___________.
A. IP
B. IP and IPX
C. IP and AppleTalk
D. IP, IPX, and AppleTalk
Answer : D

23. Which of the following is not true concerning TCP?
A. Provides for reliable connections
B. Uses windowing for flow control
C. Multiplexes applications
D. Is more efficient than UDP
Answer : D

24. A Class A address has _________ host bits.
A. 8
B. 16
C. 20
D. 24
Answer : D

25. The OSPF process ID is __________.
A. Locally significant and is the router ID
B. Globally significant and must be configured on every router
C. Locally significant
D. OSPF doesn't use a process ID, but an AS number
Answer : C

26. 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

27. Which of the following are not features of ACLs?
A. Restricting telnet access to a router
B. Prioritizing WAN traffic
C. Filtering traffic from the router
D. Triggering dialup phone calls
Answer : C

28. Which of the following is not an advantage of DHCP?
A. It allows for the use of private addressing.
B. It reduces the amount of configuration on devices.
C. It reduces likelihood of configuration errors.
D. It gives you more control by centralizing IP addressing information.
Answer : A

29. You examine your interfaces, and the Ethernet 0 interface status says: Ethernet 0 is up, line protocol is down. What does this indicate?
A. There is a physical layer problem.
B. There is a data link layer problem.
C. There is a network layer problem.
D. There is no problem.
Answer : B

30. When a carrier experiences congestion, it marks the _______ bit in the header of the Frame Relay frame.
A. CIR
B. DE
C. BECN
D. FECN
Answer : D

31. Which of the following is the most expensive type of WAN connection?
A. Dedicated circuit connection
B. Circuit-switched connection
C. Packet-switched connection
D.
Answer : A

32. What must you do to enable IP routing on your router? (Choose all of the correct answers.)
A. Enable the routing protocol.
B. Set clocking on all serial interfaces.
C. Assign IP addresses to your router's interfaces.
D. Assign the bandwidth parameter to your serial interfaces
Answer : A

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

34. With a crossover cable, which pins are crossed over?
A. 1 and 2, 3 and 6
B. 1 and 3, 2 and 6
C. 1 and 4, 2 and 6
D. 1 and 3, 4 and 6
Answer : B

35. You have a 24-channel T1 connection to your router. How many VCs does this T1 support?
A. 1
B. 24
C. No limit
D.
Answer : C

36. If the 1900 SYSTEM LED is _________, a system POST test has failed.
A. Green
B. Amber
C. Flashing amber
D. Flashing green and amber
Answer : B

37. Which of the following is false concerning OSPF?
A. It provides a loop-free topology.
B. It is a classful protocol and allows for a hierarchical design.
C. It requires more memory and processing cycles than distance vector protocols.
D. It is complex to configure and difficult to troubleshoot.
Answer : B

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

39. If you enter a command in either User EXEC mode or Privilege EXEC mode that the IOS does not recognize, the switch or router
A. Logs you out
B. Tries to resolve the command to an IP address
C. Executes the closest command that it can find in its command set
D. Makes a "beep" sound
Answer : B

40. 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

41. 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

42. When choosing a networking product, you should consider all of the following except _______.
A. Ease of installation and support
B. Product features and functions
C. Backplane capacity
D. Amount of memory
Answer : D

43. Which of the following WAN categories does ISDN fall under?
A. Dedicated circuit connection
B. Circuit-switched connection
C. Packet-switched connection
D.
Answer : B

44. 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

45. ________ 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

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. 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

48. 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

49. If the port status LED on a 2950 is ________, there is a physical layer connection problem.
A. Flashing green and amber
B. Flashing green
C. Amber
D. Flashing amber
Answer : A

50. A _________ routes between different autonomous systems.
A. BPG
B. EGP
C. IPP
D. IGP
Answer : B