Networking MCQ Solved Paper for SSC JE

1. Which of the following provides the service for any casting?
A. IPV5
B. IPV6
C. IPV7
D. IPV8
Answer : B

2. The packet transmit using standard Internet Protocol(IP) throughout the Internet by
A. Circuit switching
B. Packet switching
C. Message switching
D. None of the above.
Answer : B

3. Identify the topology and network type that uses a central hub with cables connected to workstations.
A. Physical star topology, Ethernet
B. Physical bus topology, Ethernet
C. Physical ring topology, token ring
D. Physical ring topology, Ethernet
Answer : A

4. ------------------- 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

5. What is the code used for Interpret As Command (IAC)?
A. 253
B. 255
C. 240
D. 241
Answer : B

6. 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

7. When collection of various computers seems a single coherent system to its client, then it is called
A. computer network
B. distributed system
C. both (a and (b
D. none of the mentioned
Answer : B

8. 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

9. In flags message attribute, which of the following flag indicates that message has been
completed?
A. \Deleted
B. \Recent
C. \Flagged
D. \Draft
Answer : D

10. 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

11. This mapping of name to IP address is done by …………………………….
A. Address resolution protocol
B. Domain name server
C. reverse address resolution protocol
D. Ethernet
Answer : B

12. Which of the following SIP request terminates a call?
A. ACK
B. BYE
C. INVITE
D. CANCEL
Answer : B

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

14. Which of the following defines a family of standards for 100 Mbps fiber optic LANs that
provides the physical layer and media access control sub-layer of the data link layer, as
defined by the ISO/OSI Model?
A. Ethernet
B. IEEE 802
C. Fiber Distributed Data Interface (FDDI)
D. Point-to-Point Protocol (PPP)
Answer : C

15. ………………….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

16. Which of the following is a media type that is most susceptible to interference?
A. Shielded twisted pair (STP)
B. Fiber optics
C. Unshielded twisted pair (UTP)
D. Coaxial
Answer : C

17. ----------------is a static algorithm in which every incoming packet is sent out on every outgoing line except the one it arrives on.
A. Distance vector
B. Congestion
C. Link state routing
D. Flooding
Answer : D

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

19. Thinnet coaxial cable uses what type of connector?
A. RJ-45
B. AUI
C. MSAU
D. BNC
Answer : D

20. If user A wants to send an encrypted message to user B, the plaintext is encrypted with the public key of ………….
A. Skeleton
B. Private
C. Public
D. Symmetric
Answer : D

21. What does a patch cable connect to within an Ethernet network?
A. The patch panel to the hub
B. The patch panel to the wall jack
C. The wall jack to the computer
D. The NIC directly to another computer's NIC
Answer : A

22. Which of the following provides a structure for conveying message through TCP/IP network
to host?
A. Address Resolution protocol (ARP)
B. Internet Control Message Protocol (ICMP)
C. Bootstrap Protocol (BOOTP)
D. Dynamic Host Configuration Protocol (DHCP)
Answer : D

23. 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

24. How many layers are there in the OSI model?
A. 4
B. 5
C. 6
D. 7
Answer : D

25. 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

26. Which of the following is the IEEE specification for wireless networks?
A. 802.3
B. 802.5
C. 802.2
D. 802.11b
Answer : D

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

28. Which cable type is immune to outside interference and crosstalk?
A. Thinnet
B. Twisted pair
C. Fiber optic
D. Thicknet
Answer : C

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

30. Which layer of the OSI model does a switch operate in?
A. Physical
B. Data-link
C. Network
D. Transport
Answer : B

31. What is the maximum size of IP header in the UDP Datagram format?
A. 40 bytes
B. 50 bytes
C. 60 bytes
D. 70 bytes
Answer : C

32. Data Transmission is not a layer in the OSI model
A. True.
B. False.
C.
D.
Answer : A

33. DSL stands for ------------------------
A. data subscriber lines
B. dual subscriber lines
C. delay subscriber lines
D. digital subscriber lines
Answer : D

34. 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

35. 80 is the well-known port number for the HTTP service.
A. True.
B. False.
C.
D.
Answer : A

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

37. _______ 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

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

39. 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

40. 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

41. 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

42. Internet Architecture Board (IAB) governs which of the following bodies?
A. Internet Assigned Number Authority (IANA)
B. Internet Research Task Force (IRTF)
C. Internet Engineering Task Force (IETF)
D. All of the above
Answer : D

43. AppleTalk protocol configures hosts in zones on the network.
A. True.
B. False.
C.
D.
Answer : A

44. What is 10baseT?
A. specification for twisted-pair cable
B. specification for cable terminators
C. 10 megawatt transceiver
D. 10 Mhz analog transfers
Answer : A

45. 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

46. AppleTalk protocol configures hosts in zones on the network.
A. True.
B. False.
C.
D.
Answer : A

47. In the IP address 129.2.8.9, what does 129.2 specify?
A. Protocol address
B. Router address
C. Host number
D. Network number
Answer : D

48. Which field in Domain Name System message format specifies the class of query?
A. Type
B. Class
C. Rdlength
D. Rdata
Answer : B

49. Which of the following pieces of equipment will receive a packet from one port and forward that packet out the one port to which the destination computer is connected?
A. Hub
B. MAU
C. Switch
D. TDR
Answer : C

50. Which is the port used by HTTPS?
A. 123
B. 143
C. 69
D. 443
Answer : D