Networking 1000+ MCQ with answer for ISRO Recruitment

1. Which class does the IP address 202.119.22.31 belong to?
A. Class A
B. Class B
C. Class C
D. APIPA
Answer : C

2. 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

3. ARP is defined in RFC _____ and it is a current internet standard, ________
A. RFC-37, STD 903
B. RFC-903, STD 37
C. RFC 826; STD 37
D. RFC 37; STD 826
Answer : C

4. Which of the following protocol resolves a host's hardware address for a known IP
address?
A. InATMARP protocol
B. ATMARP protocol
C. InARP protocol
D. ARP protocol
Answer : D

5. _______ body looks after the protocol identifiers used over Internet.
A. Transmission Control Protocol
B. Telnet protocol
C. Internet Protocol
D. Network Control Protocol
Answer : D

6. Which of the following request in Session Initiation Protocol (SIP) queries the capabilities of
servers?
A. CANCEL
B. ACK
C. OPTIONS
D. PRACK
Answer : C

7. 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

8. Which function is not supported by E-mail?
A. authentication
B. composition
C. Disposition
D. Displaying
Answer : A

9. Which Layer is Responsible for Congestion Control?
A. Network Layer
B. Datalink Layer
C. Transport Layer
D. D) Application layer
Answer : C

10. 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

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

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

13. …………………………..combines characteristics of linear bus and star topologies.
A. Ring topology
B. A hybrid topology
C. A tree topology
D. mesh topology
Answer : C

14. 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

15. A financial institution that issues the card to the purchaser is ________.
A. Merchant
B. Issuer
C. Acquirer payment gateway
D. Cardholder
Answer : B

16. SMTP protocol is responsible for sending email across the Internet
A. True.
B. False.
C.
D.
Answer : A

17. Which of the following connectors is used by UTP on a Fast Ethernet network?
A. ST
B. BNC
C. RJ-45
D. RJ-11
Answer : C

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

19. Which of the following states suggests that the connection has been ended either at the
request of the client or for any other reason?
A. Selected state
B. Authenticated state
C. Logout state
D. Non-authenticated state
Answer : C

20. The worldwide Internet is a well-known example of ------------------.
A. PAN
B. Subnet
C. Intra-Network
D. Inter-network
Answer : D

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

22. Which of these is an example for unguided transmission?
A. coaxial cable
B. optical fibers
C. wireless
D. twisted pairs
Answer : C

23. 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

24. 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

25. Which type of BGP message is sent by a system to notify another router of the senders existence?
A. Keep-alive
B. Notification
C. Open
D. Update
Answer : A

26. TCP protocol is responsible for logical addressing and delivery of packets.
A. True.
B. False.
C.
D.
Answer : B

27. Which of the following is used for establishing, configuring, and testing the data-link
Link Control Protocol (LCP)
A. Method
B. Network Control Protocols (NCPs)
C. Link Control Protocol (LCP)
D. File transfer protocol(FTP)
Answer : C

28. 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

29. Telnet protocol uses ___________ representation for the function Synchronize.
A. SYC
B. SYNCH
C. SNZ
D. SY
Answer : B

30. ………………….is a technique of conversion between the representation of digital data in user equipment and the corresponding signals transmitted over a communications channel.
A. Line coding
B. Demodulation
C. Modulation
D. Segmentation
Answer : C

31. 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

32. Which of the following transmission media suffers more from transmission impairment?
A. coaxial cable
B. Optical fiber
C. twisted pair
D. wave guides
Answer : C

33. You have a network card with the connector in question 43, and it also has a 15 pin female connector, the pins being in two rows. What type of card is it?
A. ethernet
B. token ring
C. arcnet
D. dlc
Answer : A

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

35. A node, which is more powerful, and can handle local information processing or graphics processing is called a------------------.
A. Workstation
B. Server
C. Network Operating System
D. Peer system
Answer : A

36. TCP protocol is responsible for connection-oriented communication
A. True.
B. False.
C.
D.
Answer : A

37. Which of the following is the port used by SMTP?
A. 21
B. 23
C. 25
D. 80
Answer : C

38. _____________________ 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

39. UDP datagram has a header, which is of ________.
A. 16 bytes
B. 8-bytes
C. 32 bytes
D. 64 bytes
Answer : B

40. ________acts as source and destination for IP traffic.
A. Interface
B. Node
C. Host
D. Router
Answer : C

41. In ----------------------- configuration, the switch begins to forward the packet as soon as it is received. No error checking is performed on the packet, so the packet is moved through very quickly.
A. cut-free
B. franment-free
C. store-and-forward
D. cut-through
Answer : D

42. ADSL uses high-speed Internet service phone lines
A. True.
B. False.
C.
D.
Answer : A

43. You are browsing www.microsoft.com on a machine named host.contoso.org.. What is the order of domain name resolution?
A. Contoso.com, contoso.org, microsoft.com, com
B. Contoso.com, org, microsoft.org, org
C. Contoso.org, org, root [.], com, microsoft.com
D. Microsoft.com, com, org, contoso.org
Answer : C

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

45. 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

46. Which of the following is currently a de facto standard, commonly used for point-to-point
serial connections running TCP/IP?
A. Fiber Distributed Data Interface (FDDI)
B. Serial Line IP (SLIP)
C. Point-to-Point Protocol (PPP)
D. IEEE 802.3
Answer : B

47. Which of the following algorithms are easy to implement and debug?
A. Hybrid algorithm
B. Path vector algorithm
C. Link state algorithm
D. Distance ector algorithms
Answer : D

48. Which of the following delivery methods works with only one source and one destination? Multicast
A. Multicast
B. Broadcast
C. Unicast
D. Any cast
Answer : C

49. Using a class B address maximum of …………………networks can be defined with up to……………………..hosts per networks.
A. 2,097,152-------------254
B. 16,384-----------------65,536
C. 16,384---------------65,534
D. 126--------------------16,777,214
Answer : C

50. FTP servers by default listen on port ________ for incoming connections from FTP clients.
A. 20
B. 21
C. 23
D. 25
Answer : B