WAN MCQ Solved Paper for RRB NTPC

1. 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

2. 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

3. 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

4. 191.75.39.24 is a Class __________ address.
A. A
B. B
C. C
D. None of the above
Answer : B

5. Which command takes you from Privilege EXEC mode to User EXEC mode?
A. enable
B. disable
C. exit
D. logout
Answer : B

6. 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

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

8. Which router command would take you back to a suspended telnet session?
A. reconnect
B. connect
C. resume
D. toggle
Answer : C

9. 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

10. 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

11. 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

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 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

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

15. 172.16.240.256 is a class __________ address.
A. A
B. B
C. C
D. None of the above
Answer : D

16. 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

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

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

19. 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

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

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

22. 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

23. _________ describe(s) users working from home.
A. SOHO
B. Branch office
C. Regional office
D. Corporate office
Answer : A

24. Cisco routers generate LMI enquiries every _______ seconds and a full status update every _________ seconds.
A. 10, 60
B. 10, 6
C. 60, 300
D. 15, 60
Answer : C

25. 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

26. 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

27. 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

28. Which of the following is true concerning ACLs?
A. Order of the statements is automatic.
B. All statements are processed.
C. If no match is found, the packet is permitted.
D. You can delete a specific statement in a named list.
Answer : D

29. 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

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

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

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

33. Which of the following is true concerning bridges?
A. They switch frames in hardware.
B. They support half- and full-duplexing.
C. They support one collision domain for the entire bridge.
D. They do only store-and-forward switching.
Answer : D

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

35. Which router command would you use to view the configuration register value?
A. show register
B. show interfaces
C. show configuration
D. show version
Answer : D

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

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

38. 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

39. Which of the following is true concerning ISL?
A. It is supported on both the 1900 and 2950 switches.
B. It adds a 26-byte trailer and 4-byte header.
C. Tagging is done in software.
D. The original Ethernet frame is not modified.
Answer : D

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

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

42. ___________ only translates one (and only one) IP address to another.
A. NAT
B. PAT
C. PAR
D. NAT and PAT
Answer : A

43. ___________ 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

44. Which of the following is false concerning OSPF?
A. It provides a loop-free topology.
B. It is a classful protocol and allows for a hierarchical design.
C. It requires more memory and processing cycles than distance vector protocols.
D. It is complex to configure and difficult to troubleshoot.
Answer : B

45. 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

46. 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

47. A ________ topology describes how devices communicate with each other.
A. Physical
B. Logical
C.
D.
Answer : B

48. 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

49. 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

50. 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