WAN 1000+ MCQ with answer for LIC AAO

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

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

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

4. A routing protocol that supports route summarization must perform all except which of the following?
A. Carry the subnet mask with the network entry.
B. Make routing decisions based on the entire destination IP address.
C. Summarize entries so that the same lowest-order bits match.
D. None of these.
Answer : C

5. Which of the following are classless protocols?
A. IGRP
B. EIGRP
C. IGRP and EIGRP
D. Neither IGRP or EIGRP
Answer : B

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

7. 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

8. 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

9. 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

10. VLSM allows you to summarize __________ back to the class boundary.
A. Subnets
B. Networks
C.
D.
Answer : A

11. Extended IP ACLs should be placed as close to the ____________ device as possible.
A. Source
B. Destination
C.
D.
Answer : A

12. You are given a class C network and you have four LAN segments with the following numbers of devices: 120, 60, and two with 30. What subnet mask values would you use to accommodate these segments?
A. /24, /25, and /26
B. /25, /26, and /27
C. /26, /27, and /28
D. None of these
Answer : B

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

14. Which router-on-a-stick command defines the VLAN for the interface?
A. vlan
B. encapsulation
C. trunk
D. frame-type
Answer : B

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

16. What router command saves the active configuration to NVRAM?
A. copy nvram startup-config
B. copy startup-config running-config
C. copy running-config nvram
D. copy running-config startup-config
Answer : D

17. 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

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

19. 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

20. On the 1900 switch, how do you enter User EXEC mode?
A. It comes up by default.
B. Enter the letter U in the menu.
C. Enter the letter K in the menu.
D. Enter the letter C in the menu.
Answer : C

21. 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

22. Cisco routers generate LMI enquiries every _______ seconds and a full status update every _________ seconds.
A. 10, 60
B. 10, 6
C. 60, 300
D. 15, 60
Answer : C

23. What command assigns a User EXEC password to a 2950 switch?
A. password
B. login
C. enable password
D. enable password level
Answer : A

24. 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

25. You are at User EXEC mode and type the letter e. What message appears?
A. % Incomplete command.
B. % Ambiguous command:
C. % Unknown command or computer name
D. % Invalid input detected at '^'.
Answer : B

26. 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

27. 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

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

30. 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

31. PPP can do all of the following except ___________.
A. Authentication
B. Compression
C. Quality of Service
D. None of these
Answer : C

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

33. When setting up an RJ-45 console connection, you need a RJ-45-to-DB-9 __________ adapter to attach to the COM port of your PC.
A. Auxiliary
B. Console
C. Connection
D. Terminal
Answer : D

34. The default encapsulation on a synchronous serial interface is _________.
A. HDLC
B. PPP
C. Neither HDLC nor PPP
D.
Answer : A

35. Which 2950 command assigns a VLAN to an interface?
A. vlan-membership static
B. vlan
C. switchport access vlan
D. switchport mode access
Answer : C

36. Frames sent above the __________ limit will have their _________ bit set.
A. CIR, DE
B. BC, DE
C. BC, FECN
D. CIR, FECN
Answer : B

37. 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

38. RIP supports load balancing for up to __________ ___________ paths.
A. Six, unequal-cost
B. Four, unequal-cost
C. Four, equal-cost
D. Six, equal-cost
Answer : D

39. 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

40. 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

41. If the 2950's RPS is ________, the external power supply is supplying power.
A. Off
B. Amber
C. Flashing amber
D. Green
Answer : C

42. 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

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

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

45. 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

46. Which command assigns a default gateway to the 2950 switch?
A. (config)# default-gateway
B. (config-if)# default-gateway
C. (config-if)# ip default-gateway
D. (config)# ip default-gateway
Answer : D

47. _________ describe(s) users that can connect to a network from any location.
A. SOHO
B. Branch office
C. Mobile users
D. Corporate office
Answer : C

48. 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

49. ___________ only translates one (and only one) IP address to another.
A. NAT
B. PAT
C. PAR
D. NAT and PAT
Answer : A

50. 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