1000+ WAN Multiple Choice Question Answer [Solved]

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

2. 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

3. 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

4. The router automatically saves its configuration.
A. True
B. False
C.
D.
Answer : B

5. 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

6. 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

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

8. ___________ 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

9. The _______ program goes out and finds the IOS and loads it.
A. ROMMON
B. Bootstrap
C. Mini-IOS
D. Loader
Answer : B

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

11. 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

12. The slot number of a 1900's Fast Ethernet uplink ports is ________.
A. 0
B. 1
C. 2
D. No slot number is used
Answer : A

13. 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

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

17. 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

18. 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

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

20. EIGRP generates hellos every _________ seconds on LAN segments.
A. 5
B. 10
C. 15
D. 30
Answer : A

21. 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

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

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

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

25. 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

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

27. 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

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

29. 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

30. 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

31. You have this binary value: 11000001. This equates to _____ in decimal.
A. 183
B. 193
C. 173
D. 203
Answer : B

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

33. Which command activates an IP ACL on a router's interface?
A. access-list
B. ip access-group
C. access-class
D. access-group
Answer : B

34. 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

35. 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

36. Which command is used to define the local addresses that are statically translated to global addresses?
A. ip nat inside source static
B. ip nat inside
C. ip nat inside source list
D. ip nat pool
Answer : A

37. Choose the following that a standard IP ACL can match on.
A. Destination address
B. IP protocol
C. IP protocol information
D. None of the above
Answer : D

38. 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

39. You are given a Class C network, 192.168.1.0/24. You need one network with 120 hosts
and two networks with 60 hosts. How many subnet masks do you need?
A. 1
B. 2
C. 3
D. 4
Answer : B

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

41. 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

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

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

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

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

46. 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

47. 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

48. 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

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