1000+ WAN Multiple Choice Question Answer [Solved]

1. 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

2. 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

3. 191.75.39.24 is a Class __________ address.
A. A
B. B
C. C
D. None of the above
Answer : B

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

5. 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

6. 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

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

8. 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

9. You are given the following addressing information: 172.17.16.255/23. What type of address is this?
A. Network
B. Directed Broadcast
C. Host
D.
Answer : C

10. 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

11. When configuring your terminal emulation software for a console connection, set the flow control to __________.
A. Hardware
B. Software
C. None
D.
Answer : C

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

13. 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

14. 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

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

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

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. 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

19. You are given the following addressing information: 10.0.8.0/22. What type of address is this?
A. Network
B. Directed Broadcast
C. Host
D.
Answer : A

20. 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

21. A __________ topology uses a single connection to connect all devices together.
A. Bus
B. Star
C. Point-to-point
D. Ring
Answer : A

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

23. 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

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

25. Annex A is which LMI standard?
A. Cisco
B. ITU-T Q.933
C. ANSI
D.
Answer : B

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

27. __________ 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

28. 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

29. 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

30. Which metric components, by default, are used in IGRP? (Choose all the correct answers.)
A. Delay
B. Reliability
C. Load
D. Bandwidth
Answer : A

31. 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

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

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

34. 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

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

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

37. 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

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

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

40. Which command defines interesting traffic?
A. dialer-group
B. dialer-list
C. dialer map
D. dialer remote-name
Answer : B

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

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

43. 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

44. 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

45. Which router command specifies the ISDN switch the router is connected to?
A. isdn switch-type
B. isdn connection-type
C. isdn spid1
D. interface serial0:15
Answer : A

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

47. You are given a class C network, 192.168.1.0/24. You need three networks with 60 hosts and two networks with 30 hosts. What are the subnet mask values you could use?
A. 255.255.255.128 and 255.255.255.192
B. 255.255.255.224 and 255.255.255.240
C. 255.255.255.192 and 255.255.255.224
D. None of these
Answer : A

48. A 1924 has _________ Ethernet interfaces.
A. 24
B. 26
C. 27
D. 28
Answer : C

49. 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

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