WAN MCQ Solved Paper for SSC JHT

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

2. 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

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

4. 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

5. 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

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

7. Which of the following is a private address?
A. 192.169.7.17
B. 172.32.28.39
C. 10.1.256.8
D. 172.16.255.89
Answer : D

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

9. 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

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

11. Ethernet ___________ has/have both a physical and logical bus topology.
A. 10BaseT
B. 10Base2 and 10Base5
C. 10BaseT and 10Base2
D. 10BaseT, 10Base2, and 10Base5
Answer : B

12. You examine your interfaces, and the Ethernet 0 interface status says: Ethernet 0 is up, line protocol is down. What does this indicate?
A. There is a physical layer problem.
B. There is a data link layer problem.
C. There is a network layer problem.
D. There is no problem.
Answer : B

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

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

15. 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

16. 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

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

18. 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

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

20. 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

21. 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

22. 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

23. Which command assigns a default gateway to the 2950 switch?
A. (config)# default-gateway
B. (config-if)# default-gateway
C. (config-if)# ip default-gateway
D. (config)# ip default-gateway
Answer : D

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

25. 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

26. What router command saves the active configuration to NVRAM?
A. copy nvram startup-config
B. copy startup-config running-config
C. copy running-config nvram
D. copy running-config startup-config
Answer : D

27. 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

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

29. If you wanted a list of parameters for the show command, you would type ________.
A. LOOK
B. VIEW
C. SHOW
D.
Answer : C

30. 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

31. 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

32. Which router command clears all of the static translations in the address translation table?
A. erase ip nat translation *
B. clear ip nat translation *
C. clear ip nat translation all
D. None of these commands
Answer : D

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

34. 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

35. 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

36. When setting up an RJ-45 console connection, you need a RJ-45-to-DB-9 __________ adapter to attach to the COM port of your PC.
A. Auxiliary
B. Console
C. Connection
D. Terminal
Answer : D

37. 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

38. 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

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

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

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

42. A ___________ in a bit position of a wildcard mask means that the same bit position in the condition address must match the same bit position in the wildcard mask in order to execute the ACL's action.
A. 0
B. 1
C. 10
D. 11
Answer : A

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

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

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

46. The address of a Frame Relay VC is called a ___________.
A. Data link layer connection identifier
B. Data layer connection index
C. Data link connection index
D. Data link connection identifier
Answer : D

47. 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

48. 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

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

50. What command creates a DHCP address pool on a router?
A. ip dhcp
B. ip pool dhcp
C. ip dhcp pool network
D. ip dhcp pool
Answer : D