Networking MCQ Solved Paper for SSC CHSL

1. 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

2. Which of the following protocols are considered unreliable or connectionless?
A. UDP
B. TCP
C. FTP
D. TFTP
Answer : A

3. 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

4. Which of the following IEEE specifications uses CSMA/CD?
A. 802.2
B. 802.3
C. 802.5
D. 802.11b
Answer : B

5. In TCP segment format _______indicates start of data.
A. RST
B. ACK
C. URG
D. Data Offset
Answer : D

6. Which of the following provides control over multimedia sessions?
A. Session Initiation Protocol (SIP)
B. Session Description Protocol (SDP)
C. Session Announcement Protocol (SAP)
D. Real-time Control Protocol (RTCP)
Answer : A

7. 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

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

9. 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

10. What is the pattern of a preamble?
A. 11110000
B. 11111111
C. 00000000
D. none of these
Answer : D

11. Class C network address class supports 65,534 hosts.
A. True.
B. False.
C.
D.
Answer : B

12. To communicate across a TCP/IP network, you must have a DNS server and DNS clients installed.
A. True.
B. False.
C.
D.
Answer : B

13. What is the default subnet mask for a class A network?
A. 255.0.0.0
B. 255.224.0.0
C. 255.255.0.0
D. 255.255.255.0
Answer : A

14. 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

15. Network administrator checks whether all the devices connected to the end-to-end path
are _________-enabled.
A. Any cast
B. Broadcast
C. Unicast
D. Multicast
Answer : D

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

17. 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

18. What layer of the OSI protocol reference model does a bridge operate under?
A. Physical
B. Data-link
C. Network
D. Transport
Answer : B

19. _______ Domain name corresponds to US military.
A. .us mili
B. .mili
C. .mil
D. .us
Answer : C

20. 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

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

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

24. 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

25. Which of the following can provide a backbone network of 600 meters in length without using repeaters?
A. 10BaseT
B. 100BaseT
C. 10Base5
D. 100BaseFX
Answer : D

26. Following are the advantages of tree topology
i) Point-to-point wiring for individual segments.
ii) Supported by several hardware and software venders.
iii) Easy to install and wire
A. i) only
B. i) and ii) only
C. iii) only
D. i) ,ii) and iii)
Answer : B

27. What is the maximum length of twisted-pair cable before a signal booster is needed? Select all that apply.
A. 25 meters
B. 100 meters
C. 328 feet
D. 1000 feet
Answer : B

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

29. Select the class C IP address from the following:
A. 122.10.8.25
B. 170.5.88.2
C. 191.5.26.1
D. 207.67.112.55
Answer : D

30. 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

31. Which of the following are not the standard representations defined by Telnet protocol?
A. IP and AO
B. YTA and WAY
C. EC and EL
D. SYNCH
Answer : B

32. 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

33. Router B receives an update from router A that indicates Net1 is two hops away. The next update from A says Net1 is five hops away. What value is entered in B's routing table for Net1? Assume the basic RIP is being used.
A. 6
B. 7
C. 2
D. 3
Answer : A

34. In which of the following states after selecting a mailbox, actions can be taken against the
mail within the mailbox?
A. Non-authenticated state
B. Authenticated state
C. Selected state
D. Logout state
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. 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

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

38. In Secure Electronic Transaction, the description of the purchase and cost is contained in
________ message.
A. Authorization
B. Purchase order
C. Inquiry
D. Capture
Answer : A

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

40. The special address 'THIS HOST' is referred to as
A. 0.0.0.0
B. 0.0.14.98
C. 127.0.0.127
D. 255.255.255.255
Answer : A

41. 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

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

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

44. 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

45. 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

46. 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

47. 25 is used by SMTP
A. True.
B. False.
C.
D.
Answer : A

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

49. 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

50. What is the default port for Telnet?
A. 23
B. 21
C. 25
D. 80
Answer : A