1000+ Networking Multiple Choice Question Answer [Solved]

1. What can be used in the place of DNS to resolve host names to IP addresses?
A. WINS
B. LMHosts
C. Hosts
D. DHCP
Answer : C

2. The key concern in the design of transmission system is -------------- and ---------------
A. data rate ,distance
B. speed, accuracy
C. accuracy, simplicity
D. distance , cost
Answer : A

3. …………………… have a single communication channel that is shared by all the users on the network.
A. Point-to-point
B. Broadcast networks
C. Protocol
D. PAN
Answer : B

4. Your network has gotten a single class C address but has 300 computers. How can you connect them to the Internet?
A. Use IPX.
B. Implement NAT.
C. Use DHCP.
D. Use DNS.
Answer : B

5. 17. Which of the following use default routes for inter-domain routing?
A. Type 2
B. Type 4
C. Type 3
D. Type 1
Answer : B

6. What is the maximum distance of single-mode fiber (SMF)?
A. 300 meters
B. 500 meters
C. 2km
D. 850 meters
Answer : C

7. Which of the following filed represents the sender of the message in an electronic mail?
A. To
B. From
C. Cc
D. Reply-to
Answer : B

8. Which of the following protocols is described in RFC 793?
A. Address Resolution Protocol (ARP)
B. Transmission Control Protocol (TCP)
C. Bootstrap Protocol (BOOTP)
D. User Datagram Protocol (UDP)
Answer : B

9. Which piece of equipment operates at both the data-link and network layers?
A. Hub
B. Bridge
C. Brouter
D. Router
Answer : C

10. A network's Internet connection uses a 128-Kbps Basic Rate Interface (BRI). What type of connection is this?
A. DSL
B. Cable modem
C. ISDN
D. T1
Answer : C

11. How many table entries are supported by global routing table in CIDR?
A. 90,000
B. 80,000
C. 70,000
D. 60,000
Answer : D

12. The network interface layer specifies how to organize data into………………………..and Internet layer specifies the format of …………………….. Sent across an Internet.
A. Bits, message.
B. frame,packet.
C. packet, messge.
D. datagram, packet.
Answer : B

13. In distance vector routing an active router sends out information ………………………….
A. Only when there is a change in its table
B. Only when a new host is added
C. At regularly scheduled intervals
D. Only when a new network is added
Answer : C

14. 127.0.0.1 address is reserved for internal loopback functions.
A. True.
B. False.
C.
D.
Answer : A

15. _____________________ are set up to fulfill service ordering, service assurance, and
billing functions.
A. IPTV server
B. Users
C. Content servers
D. Complex Operation Support Systems (OSS)
Answer : D

16. What is the distance limitation of Cat5 UTP?
A. 1 km
B. 100 km
C. 100 m
D. 100 foot
Answer : C

17. In FTP, to execute a file transfer, the user begins by _________.
A. Navigating the directory structure
B. Connecting to a remote host
C. Listing files available for transfer.
D. Defining the transfer mode
Answer : B

18. In an autonomous system with n areas, how many areas are connected to the backbone?
A. 1
B. N
C. N+1
D. N-1
Answer : D

19. Internet Research Task Force (IRTF) body looks after ________.
A. The research projects of TCP/IP suit
B. Technical related issues
C. Development of standards like Requests for Comments
D. Maintenance of Internet
Answer : A

20. In the symmetric-key method of cryptography, which key is publicly known?
A. Encryption key only
B. Decryption key only
C. Both
D. None of the above
Answer : B

21. OSPF is based on …………………
A. Distance vector routing
B. Path vector routing
C. Link state routing
D. both a and b
Answer : C

22. Which of the following is a simplex protocol?
A. Multicast Source Discovery Protocol (MSDP)
B. User datagram protocol(UDP)
C. Resource Reservation Protocol (RSVP)
D. Internet Group Management Protocol (IGMP)
Answer : C

23. A router receives an IP packet with source IP address 130.45.3.3 and destination IP address 202.23.4.16. The router cannot find the destination IP address in its routing table. Which ICMP message should be sent?
A. Time stamp request
B. Router solicitation
C. Destination Unreachable
D. Parameter problem on a datagram
Answer : C

24. Which of the following is required to communicate between two computers?
A. Communications software
B. Protocol
C. Communication hardware
D. All of the above including access to transmission medium
Answer : D

25. Which of the following fields holds the packets of several protocols?
A. NLPID field
B. Pad field
C. UI (0x03) field
D. Q.922 field
Answer : A

26. Select the standard for token ring using token-passing media access.
A. 802.2
B. 802.3
C. 802.5
D. 802.11(b)
Answer : C

27. ------------------- is/ are caused by the random motion of the electrons in a wire and is unavoidable.
A. Dispersion
B. Thermal noise
C. Delay distortion
D. all of these
Answer : B

28. Which of the following can be used to transfer files from a Unix server?
A. FTP
B. Telnet
C. IPX
D. Netstat
Answer : A

29. Which class of IP addressing was not brought in much use?
A. Class A addresses
B. Class D addresses
C. Class B addresses
D. Class C addresses
Answer : C

30. ICMP messages require ………………. levels of encapsulation
A. One
B. Two
C. Three
D. Four
Answer : B

31. Which is the port used by POP3?
A. 69
B. 110
C. 143
D. 443
Answer : B

32. What can be used in the place of DNS to resolve host names to IP addresses?
A. WINS
B. LMHosts
C. Hosts
D. DHCP
Answer : C

33. Which of the following protocol was developed to overcome limitations of Routing
Information Protocol (RIP)?
A. Border Gateway Protocol (BGP)
B. Exterior Gateway Protocol (EGP)
C. Enhanced Interior Gateway Routing Protocol (EIGRP)
D. Open Shortest Path First (OSPF)
Answer : A

34. Which OSI model layer provides for encryption and decryption of data?
A. Data-link
B. Transport
C. Presentation
D. Application
Answer : C

35. Which of the following is defined in RFC 4366?
A. Secure File Trasfer Protocol (SFTP)
B. Trivial File Transfer Protocol (TFTP)
C. File Transfer Protocol (FTP)
D. Transport Layer Security (TLS)
Answer : D

36. You're asked to install a Citrix MetaFrame XP server. What protocol will clients use to connect and run graphical terminal emulation to the new server?
A. ICA
B. Telnet
C. RAS
D. HTTP
Answer : A

37. How many 64-Kbps channels are used on an ISDN BRI?
A. 1
B. 2
C. 3
D. 4
Answer : B

38. T1 makes up 24 channels.
A. True.
B. False.
C.
D.
Answer : A

39. Which of the following protocols is not routable?
A. TCP/IP
B. IPX/SPX
C. AppleTalk
D. NetBEUI
Answer : D

40. Which type of connector is used on 10Base2 networks?
A. SC
B. BNC
C. RJ-45
D. RJ-11
Answer : B

41. In ________ routing, the tunnel creates a bridge through areas that do not support
multicast traffic.
A. Internet
B. MBONE
C. Border Gateway Protocol
D. Multicast OSPF
Answer : B

42. What is the address identified when socket is available at each end of TCP?
A. "<TCP, IP address, socket number>."
B. "<TCP, Host address, port address>."
C. "<TCP, IP address, port number>."
D. "<TCP, Network address, socket address>."
Answer : C

43. You have a network card with the connector in question 43, and it also has a 9 pin female connector. What type of card is it?
A. ethernet
B. token ring
C. fiber optic
D. ipx/spx
Answer : B

44. Destination physical address in ARP request is a ………………………….address.
A. Unicast
B. Broadcast
C. Multicast
D. Anycast
Answer : B

45. preamble field of 802.3 frames is encoded using ------------------- encoding
A. Manchester
B. differential Manchester
C. Bi polar
D. uni polar
Answer : A

46. What is the maximum length of thinnet cable before a signal booster is needed?
A. 185 meters
B. 500 feet
C. 1600 feet
D. 1 mile
Answer : A

47. At which layer of the OSI model do FTP, SMTP, POP3, and HTTP function?
A. Physical
B. Network
C. Transport
D. Application
Answer : D

48. In Integrated services model, ________ corresponds to token bucket filter.
A. Bspec
B. Filter spec
C. Rspec
D. Tspec
Answer : D

49. Which of the following network topologies has the highest level of redundancy?
A. Bus
B. Star
C. Star
D. Mesh
Answer : D

50. What is the maximum frame size of a frame relay?
A. < or = to 1600 octets
B. > or = to 1800 octets
C. < or = to 1800 octets
D. > or = to 1600 octets
Answer : D