11.MCQ Data Communication and Networking

 

1. To send data/message to and from computers the network software puts the message information in a

(1) NIC

(2) packet 

(3) trailer

(4) header

(5) None of these

2.Geometric arrangement of devices on the network is called 

(1) topology

(2) protocols 

(3) media

(4) LAN 

(5) None of these 

3. LAN can use …….architecture. 

(1) peer-to-peer

(2) client and server 

(3) Both ‘1’ and 2 

(4) Neither’1′ and 2

(5) None of these 

4. Wi-Fi uses 

(1) optic fiber

(2) phase line 

(3) radio-waves 

(4) sound-waves

(5) None of these 

5. Hub is associated with ……… network. [SBI Clerk 2011] 

(1) bus 

(2) ring 

(3) star 

(4) mesh

(5) All of these 

6. Multiplexing involves ……… path and …. channel. [SBI Clerk 2011] 

(1) one, one

(2) one, multiple 

(3) multiple, one

(4) multiple, multiple 

(5) None of these

7. ……. is the transmission of data between two or more computers over communication links. 

(1) Communication 

(2) Networking 

(3) Data communication 

(4) Data networking

(5) Information networking 

8. Communication channel having ……. types.

(1) 1 

(2) 2 

(3) 3 

(4) 4

(5) None of these 

9. The advantage of LAN is [SBI Clerk 2012)

(1) sharing peripherals 

(2) backing up your data 

(3) saving all your data

(4)accessing the web 

(5)automatic printing of data

10. Which type of network would use phone lines?[SBI Clerk 2012)

(1) WAN 

(2) LAN 

(3) WWAN

(4) Wireless

(5) None of these 

11. In simplex channel, flow of data is

(1) always in one direction 

(2) always in both direction 

(3) in both direction, but one at a time 

(4) All of the above

(5) None of the above 

12. A packet filtering firewall operates at which of the following OSI layers? (1) At the application layer 

(2) At the transport layer 

(3) At the network 

(4) At the gateway layer

(5) Both ‘2’ and 3 

13. Servers are those computers which provide resources to other computers connected by [SBI Clerk 2009 ]

(1) network

(2) mainframe 

(3) super computer 

(4) client 

(5) None of these

14. A combination of hardware and software that allows communication and electronic transfer of information between computers is a  [SBI Clerk 2012] 

(1) network

(2) backup system 

(3) server

(4) peripheral

(5) modem

15. What type of resource is most likely to be a shared common resource in a computer network? [Allahabad Bank Clerk 2010) 

(1) Printers

(2) Speakers 

(3) Floppy disk drives 

(4) Keyboards

(5) None of these 

16. A device that connects to a network without the use of cables is said to be [IBPS Clerk 2012) 

(1) distributed

(2) cabled 

(3) centralised 

(4) open source

(5) wireless 

17. Typical data transfer rate in LAN are of the order of 

(1) bits per second 

(2) kilo bits per second 

(3) mega bits per second 

(4) tera bits per second 

(5) None of the above

18. Which of the following refers to a small, single-site network? 

(1) PAN 

(2) DSL 

(3) RAM 

(4) USB

(5) CPU 

19. Which of the following topologies is not of broadcast type? 

(1) Star

(2) Bus 

(3) Ring

(4) All of these 

(5) None of these 

20. ……… allows LAN users to share computer programs and data. 

(1) Communication server 

(2) Print server 

(3) File server 

(4) All of these 

(5) None of these 

21……… is the most important/powerful computer in a typical network. [SBI PO 2013] 

(1) Desktop

(2) Network client 

(3) Network server 

(4) Network station

(5) Network switch 

22. P2P is a ……… application architecture.[IBPS Clerk 2012] 

(1) client/server 

(2) distributed 

(3) centralised

(4) l-tier 

(5) None of these

23. Ethernet uses

(1) bus topology 

(2) ring topology 

(3) mesh topology 

(4) All of these

(5) None of these 

24. In a ring topology, the computer in possession of the …….. can transmit data. 

(1) packet

(2) data 

(3) access method 

(4) token 

(5) None of these

25. Which of the following represents the fastest data transmission speed? [SBI Clerk 2012] 

(1) Bandwidth 

(2) bps 

(3) gbps

(4) kbps 

(5) mbps 

26. Network components are connected to the same cable in the …… topology 

(1) star 

(2) ring 

(3) bus 

(4) mesh

(5) mixed 

27. Two or more computers connected to each other for sharing information form a 

(1) network

(2) router 

(3) server

(4) tunnel 

(5) pipeline

28. In OSI network architecture,the routing is performed by  (IBPS Clerk 2012

(1) network layer

(2) data link layer 

(3) transport layer 

(4) session laver

(5) None of these 

29. Which of the following is considered a broad band communication channel?, [SBI PO 2010] 

(1) Coaxial cable 

(2) Fiber optics cake 

(3) Microwave circuits 

(4) All of these

(5) None of these 

30. A device operating at the physical layer called a 

(1) bridge

(2) router 

(3) repeater

(4) All of these 

(5) None of these 

31. A protocol is a set of rules governing a time sequence of events that must take place 

(1) between peers 

(2) between an interface 

(3) between modems 

(4) across an interface

(5) None of the above 

32. An inter-company network which used to distribute information, documents files and database, is called as 

(1) LAN

(2) Switch 

(3) WAN

(4) MAN 

(5) None of these

33. Which of the following is not a network device? 

(1) Router

(2) Switch 

(3) Modem

(4) Bridge 

(5) None of these 

34. How many bits are there in the ethernet address? [SBI Clerk 2011) 

(1) 64 bits

(8) 48 bits 

(3) 32 bits

(4) 16 bits 

(5) None of these

35. How many layers are in the TCP/IP model? (SBI Clerk 2011

(1) 4 layers

(2) 5 layers 

(3) 6 layers

() 7 layers 

(5) None of these 

36. What is the use of bridge in network?

(1) To connect LANS 

(2) To separate LANS 

(3) To control network speed 

(4) All of the above 

(5) None of the above

37. The first network that has planted the seeds of internet was 

(1) ARPANET 

(2) NSF net 

(3) V net

(4) I net

(5) None of these

38.Ethernet, token ring and token bus are types of [SBI Associates 2012]

(1) WAN 

(2) LAN

(3) communication channels 

(4) physical medium 

(5) None of the above

39.Networking using fibre optic cable is done as 

(1) It has high bandwidth 

(2) It is thin and light 

(3) It is not affected by electromagnetic 

(4) All of the above

(5) None of the above 

40. What is the function of a modem?

(1) Encryption and decryption 

(2) Converts data to voice 

(3) Converts analog signals to digitals and vice-versa 

(4) Serve as a hardware anti-virus 

(5) None of the above

41. A processor that collects the transmissions from several communications media and send them over a single line that operates at a higher capacity is called 

(1) multiplexor 

(2) bridge 

(3) hub 

(4) router

(5) None of the above 

42. Which of the following items is not use Local Area Networks (LANs)? [SSC CGL 2012] 

(1) Interface card 

(2) Cable 

(3) Computer

(4) Modem

43. Bandwidth refers to

(1) the cost of the cable required to implement a WAN

(2) the cost of the cable required to implement a LAN

(3) the amount of information a peer-to-peer network can store 

(4) the amount of information communications medium can transfer in a

given amount of time 

(5) None of the above 

44. Which of the following is the fastest communication channel? 

(1) Radio wave 

(2) Micro wave

(3) Optical fiber 

(4) All are operating at nearly the same propagation speed 

(5) None of the above 

45. Which is the name of the network topology in which there are bidirectional links between each possible node? SSC CGL 2012] 

(1) Ring

(2) Start 

(3) Tree

(4) Mesh 

46. Which of the following is an advantage to using fiber optics data transmission? 

(1) Resistance to data theft 

(2) Fast data transmission rate 

(3) Low noise level 

(4) All of the above 

(5) None of the above

47. Encryption and decryption are the functions of

(1) transport layer 

(2) session layer 

(3) presentation layer 

(4) All of the above

(5) None of these 

48. An alternate name for the completely interconnected network topology is [SSC CGL 2012] 

(1) mesh 

(9) star 

(3) tree 

(4) ring