1000+ WAN MCQ for SSC CHSL [Solved]

1. 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

2. 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

3. Which protocol supports VLSM?
A. RIPv2
B. IGRP
C. RIP and IGRP
D. None of these
Answer : A

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

5. 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

6. 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

7. Which of the following are not features of ACLs?
A. Restricting telnet access to a router
B. Prioritizing WAN traffic
C. Filtering traffic from the router
D. Triggering dialup phone calls
Answer : C

8. The function of the MODE button is to __________.
A. Change the status of the ports
B. Affect what the SYSTEM and RPS LEDs represent
C. Affect what the port LEDs represent
D. Change the status of all the LEDs
Answer : C

9. 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

10. Which of the following is not true concerning TCP?
A. Provides for reliable connections
B. Uses windowing for flow control
C. Multiplexes applications
D. Is more efficient than UDP
Answer : D

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

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

13. When using debug with PAP, which of the following message types might you see?
A. AUTH-ACK
B. SUCCESS
C. CHALLENGE
D. None of these
Answer : A

14. 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

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

16. 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

17. 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

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

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

21. 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

22. 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

23. 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

24. 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

25. 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

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

27. 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

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

29. Which is true concerning a port in a listening state? (Choose all correct answers.)
.
A. It remains there for 15 seconds.
B. It forwards BPDUs and builds the CAM table
C. It remains there for 20 seconds.
D. It forwards BPDUs.
Answer : A

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

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

32. 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

33. 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

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

35. 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

36. 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

37. VLSM allows a network segment to have more than one subnet mask.
A. True
B. False
C.
D.
Answer : B

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

39. 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

40. 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

41. Which of the following is true concerning RIPv2?
A. It uses triggered updates.
B. It uses broadcasts.
C. It is classful.
D. It doesn't support route summarization
Answer : A

42. 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

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

44. 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

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

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

47. 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

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

49. 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

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