WAN 1000+ MCQ with answer for GMAT

1. 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

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

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

4. A _________ connects two or more LANs in the same geographic area.
A. LAN
B. WAN
C. MAN
D. SAN
Answer : C

5. 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

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

7. Which of the following reasons might you need to use address translation?
A. You have to use public addressing because your ISP didn't assign you enough private addresses.
B. You are using private addresses but have changed ISPs, and your new ISP won't support these private addresses.
C. You want to assign the same IP address to multiple machines so that users on the Internet see this offered service as a single logical computer.
D. You are merging two companies that use different address spaces.
Answer : C

8. Which controller command specifies how ones and zeros are represented on a digital circuit?
A. framing
B. linecode
C. clock source
D. interface
Answer : B

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

10. 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

11. ___________ has both physical and logical ring topologies.
A. Ethernet
B. FDDI
C. Token Ring
D.
Answer : B

12. Which of the following is a Network layer protocol for the TCP/IP protocol stack?
A. TCP
B. UDP
C. ICMP
D. None of these
Answer : D

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

14. The switch port that is chosen to forward traffic for a segment is called a __________.
A. Root port
B. Alternate port
C. Backup port
D. Designated port
Answer : D

15. 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

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

17. 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

18. Your router is running RIP and OSPF and both routing protocols are learning 192.168.1.0/24. Which routing protocol will your router use for this route?
A. RIP
B. OSPF
C.
D.
Answer : B

19. 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

20. 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

21. 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

22. When choosing a dynamic routing protocol, which of the following should not be considered?
A. Metrics used
B. How routing information is shared
C. How routing information is processed
D. Number of PCs in the network
Answer : D

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

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

25. When choosing a WAN solution, consider all of the following except __________.
A. Number of devices
B. Cost-effectiveness
C. Availability
D. Amount of bandwidth
Answer : A

26. 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

27. _________ is/are a routed protocol.
A. RIP
B. OSPF
C. Both RIP and OSPF
D. Neither RIP or OSPF
Answer : D

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

29. 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

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

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

32. Which of the following is true concerning 802.1Q?
A. It supports hub connections.
B. It is supported on both the 1900 and 2950 switches.
C. The native VLAN is tagged.
D. The original Ethernet frame is not modified.
Answer : A

33. 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

34. 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

35. Which of the following is true concerning full-duplexing?
A. It can either send or receive frames, but not both simultaneously.
B. It can be used with hubs.
C. It can be used with 10Base5 cabling.
D. It uses point-to-point connections.
Answer : D

36. _________ has a physical star topology but a logical ring topology.
A. FDDI
B. Token Ring
C. Ethernet
D. FDDI and Token Ring
Answer : B

37. 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

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

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

40. When configuring a router-on-a-stick, the configuration is done on __________.
A. Physical interfaces
B. Major subinterfaces
C. Subinterfaces
D.
Answer : C

41. The ___________ is the point where the carrier's responsibility ends and yours begins.
A. Local loop
B. Demarcation point
C. CPE
D. Toll network
Answer : B

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

43. You are given the following addressing information: 192.168.37.192/25. What type of address is this?
A. Network
B. Directed Broadcast
C. Host
D.
Answer : C

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

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

46. 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

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

48. Which of the following commands belongs on the physical interface when using dialer profiles?
A. dialer pool-member
B. dialer-group
C. ip address
D. dialer string
Answer : A

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

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