1000+ WAN MCQ for DRDO [Solved]

1. 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

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

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

4. 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

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

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

7. Which type of traffic is not flooded?
A. Multicast
B. Known unicast
C. Broadcast
D. Unknown unicast
Answer : B

8. 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

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

10. 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

11. 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

12. 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

13. 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

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

15. BPDU stands for ____________.
A. Bridge Protocol Description Unicast
B. Bridge Protocol Data Unit
C. Bridge Protocol Description Unit
D. Bridge Protocol Data Unicast
Answer : B

16. Which control sequence moves the cursor to the end of the line?
A. CTRL-A
B. ctrl-p
C. ctrl-e
D. ctrl-z
Answer : C

17. Which prompt indicates that you are at User EXEC mode?
A. >
B. #
C. %
D. @
Answer : A

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

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

20. 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

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

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. What must you do to enable IP routing on your router? (Choose all of the correct answers.)
A. Enable the routing protocol.
B. Set clocking on all serial interfaces.
C. Assign IP addresses to your router's interfaces.
D. Assign the bandwidth parameter to your serial interfaces
Answer : A

24. The slot number of a 1900's Fast Ethernet uplink ports is ________.
A. 0
B. 1
C. 2
D. No slot number is used
Answer : A

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

26. Which command activates an IP ACL on a router's interface?
A. access-list
B. ip access-group
C. access-class
D. access-group
Answer : B

27. 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

28. 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

29. 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

30. 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

31. Which 2950 command enables trunking?
A. switchport mode trunk
B. trunking on
C. trunking enable
D. switchport trunk on
Answer : A

32. 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

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

34. 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

35. 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

36. RIP has a hold-down period of ____________ seconds.
A. 60
B. 120
C. 180
D. 280
Answer : C

37. Which 2950 command assigns a VLAN to an interface?
A. vlan-membership static
B. vlan
C. switchport access vlan
D. switchport mode access
Answer : C

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. 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

40. During the learning function, the switch places addresses and ports in a(n) _________ table.
A. IP address
B. learning
C. CAM
D. memory
Answer : C

41. 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

42. When configuring the ip nat inside source command, which parameter must you specify to perform PAT?
A. pat
B. overload
C. load
D. port
Answer : B

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

44. 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

45. 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

46. The root switch is the one elected with the __________ __________.
A. Lowest MAC address
B. Highest MAC address
C. Lowest switch ID
D. Highest switch ID
Answer : C

47. Extended traceroute works from which mode?
A. User EXEC
B. Privilege EXEC
C. Configuration
D. User and Privilege EXEC
Answer : B

48. 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

49. 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

50. With _________ switching, the switch reads the destination MAC address of the frame and
immediately starts forwarding the frame.
A. Store-and-forward
B. Cut-through
C. Fragment-free
D. Runtless
Answer : B