RRB Group D - WAN 1000+ MCQ [Solved] PDF Download

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

2. 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

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

4. 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

5. The OSPF process ID is __________.
A. Locally significant and is the router ID
B. Globally significant and must be configured on every router
C. Locally significant
D. OSPF doesn't use a process ID, but an AS number
Answer : C

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

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

10. 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

11. 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

12. 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

13. If the 1900 SYSTEM LED is _________, a system POST test has failed.
A. Green
B. Amber
C. Flashing amber
D. Flashing green and amber
Answer : B

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

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

16. 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

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

18. Which is not one of the three main functions of a layer-2 device?
A. Learning
B. Forwarding
C. Listening
D. Removing loops
Answer : C

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

20. 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

21. _________ describe(s) users that can connect to a network from any location.
A. SOHO
B. Branch office
C. Mobile users
D. Corporate office
Answer : C

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

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

25. 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

26. 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

27. 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

28. 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

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

30. 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

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

32. Which of the following WAN categories does ISDN fall under?
A. Dedicated circuit connection
B. Circuit-switched connection
C. Packet-switched connection
D.
Answer : B

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

34. A ___________ is basically all of the components, hardware and software, involved
in connecting computers across small and large distances.
A. LAN
B. WAN
C. Network
D. SAN
Answer : C

35. ________ topologies in NBMA environments do not have problems with split horizon.
A. Partially meshed
B. Fully meshed
C. Hub and spoke
D. Star
Answer : B

36. _________ has a physical star topology but a logical ring topology.
A. FDDI
B. Token Ring
C. Ethernet
D. FDDI and Token Ring
Answer : B

37. A _________ connects two or more LANs in the same geographic area.
A. LAN
B. WAN
C. MAN
D. SAN
Answer : C

38. A _________ uses Gigabit Ethernet as a media type
A. WAN
B. LAN
C. MAN
D. LAN and MAN
Answer : D

39. 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

40. __________ states that if a neighboring router sends a route to a router, the receiving router will not propagate this route back to the advertising router on the same interface.
A. Split horizon
B. Poison reverse
C. Hold-down timer
D. Hop count limit
Answer : A

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

42. 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

43. 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

44. 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

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

46. 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

47. 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

48. 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

49. 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

50. To recall a previous command, which of the following would you use?
A. CTRL-P
B. ctrl-n
C. ctrl-r
D. down arrow
Answer : A