WAN 1000+ MCQ with answer for SSC CGL

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

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

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

4. 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

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

6. 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

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

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

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

10. Which of the following is false concerning CHAP?
A. It sends an encrypted password.
B. It sends a challenge.
C. It is more secure than PAP.
D. It uses a three-way handshake.
Answer : A

11. 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

12. 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

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

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

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

16. 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

17. 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

18. Which VTP mode(s) will propagate VTP messages?
A. Client and server
B. Server
C. Client, server, and transparent
D. Transparent
Answer : C

19. How would you suspend a telnet session?
A. CTRL-SHIFT-X 6
B. CTRL-SHIFT-6 X
C. CTRL-6 X
D. CTRL-C
Answer : B

20. 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

21. The _________ command takes you from User EXEC mode to Privilege EXEC mode
A. DISABLE
B. ENABLE
C.
D.
Answer : B

22. 191.75.39.24 is a Class __________ address.
A. A
B. B
C. C
D. None of the above
Answer : B

23. How many steps do LCP and NCP go through when setting up a connection?
A. 1
B. 2
C. 3
D. 4
Answer : C

24. 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

25. 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

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

27. 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

28. 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

29. The _________ is your network equipment, which includes the DCE (e.g., a modem) and the DTE (e.g., a router).
A. Demarcation point
B. Carrier switch
C. Local loop
D. CPE
Answer : D

30. 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

31. An _____________ is a public IP address associated with an inside device.
A. Inside global IP address
B. Inside local IP address
C. Outside global IP address
D. Outside local IP address
Answer : A

32. Which of the following is stored in ROM? (Choose all correct answers.)
A. POST
B. ROMMON
C. Configuration file
D. System recovery file
Answer : A

33. 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

34. 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

35. 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

36. 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

37. An OSPF's router ID is based on __________.
A. The lowest IP address on its loopback interface, if configured, or the lowest IP address onits active interfaces
B. The highest IP address on its loopback interface, if configured, or the highest IP address on its active interfaces
C. The highest IP address on its active interfaces, if configured, or the highest IP address on its loopback interfaces
D. The lowest IP address on its active interfaces, if configured, or the lowest IP address on its loopback interfaces
Answer : B

38. 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

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

40. IGRP generates an update every ___________ seconds.
A. 30
B. 60
C. 90
D. 120
Answer : C

41. 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

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

43. 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

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

45. 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

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

47. 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

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

49. A __________ route is the best path to reach a destination within the topology table.
A. Successor
B. Feasible successor
C. Advertised distance
D. Feasible distance
Answer : A

50. A routing protocol will use a _________ to determine which path is the best path.
A. Administrative distance
B. Metric
C. Hop count
D. Cost
Answer : B