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IT Specialist Officer Networking-Basics | Set 1




 1. FDDI used which type of physical topology?

A) Bus
B) Ring
C) Star
D) Tree

2. FTP stands for

A) File transfer protocol
B) File transmission protocol
C) Form transfer protocol
D) Form transmission protocol

3. Ethernet system uses which of the following technology.

A) Bus
B) Ring
C) Star
D) Tree

4. If all devices are connected to a central hub, then topology is called

A) Bus Topology
B) Ring Topology
C) Star Topology
D) Tree Topology

5. FDDI stands for

A) Fiber Distributed Data Interface
B) Fiber Data Distributed Interface
C) Fiber Dual Distributed Interface
D) Fiber Distributed Data Inteconnection

6. A network that needs human beings to manually route signals is called....


A) Fiber Optic Network        
B) Bus Network
C) T-switched network          
D) Ring network

7. DNS can obtain the ................. of host if its domain name is known and vice versa.


A) Station address      
B) IP address
C) Port address           
D) Checksum

8. Devices on one network can communicate with devices on another network via a .......


A) File Server           
B) Utility Server
C) Printer Server       
D) Gateway

9. A communication device that combines transmissions from several I/O devices into one line is a

A)Concentrator     
B)Modifier
C) Multiplexer         
D) Full duplex file
10. In which OSI layers does the FDDI protocol operate?


A) Physical      
B) Data link

C) Network      
 D) A and B 

11. In mesh topology, relationship between one device and another is ..............
A) Primary to peer
B) Peer to primary
C) Primary to secondary
D) Peer to Peer

12. What is the name of the network topology in which there are bi-directional links between each possible node?
A) Ring
B) Star
C) Tree
D) Mesh
13. What is the commonly used unit for measuring the speed of data transmission?
A) Bytes per second
B) Baud
C) Bits per second
D) Both B and C

14. Which of the communication modes support two way traffic but in only once direction of a time?
A) Simplex
B) Half-duplex
C) Three - quarter's duplex
D) Full duplex

15.Firewall is

  A).Physical boundary of network
  B).Operating system of computer network
  C).A system designed to prevent unauthorized access
  D).A web browsing software

16.DNS is the abbreviation of

A) Dynamic Name System
B) Domain Name System
C) Dynamic Network System
D) Domain Network System

17.Bandwidth of network

A) Transmission capacity of communication channels
B) Connected computers in a network
C) IP address class
D) None

18. Communication between a computer and a keyboard involves ______________ transmission

A) Automatic
B) Half-duplex
C) Full-duplex
D) Simplex

19. The first Network

A) CNNET
B) NSFNET
C) ASAPNET
D) ARPANET

20. The _______ is the physical path over which a message travels

A) Path
B) Medium
C) Protocol
D) Route

21. Which organization has authority over interstate and international commerce in the communications field?

A) ITU-T
B) IEEE
C) FCC
D) ISOC

22. A set of rules that governs data communication

A) Protocols
B) Standards
C) RFCs
D) None of the mentioned

23.X.25 standard specifies                                                                                                                                                                                                       
A.technique for start-stop data
B.technique for dial access
C.DTE/DCE interface
D.data bit rate  

24. Loss in signal power as light travels down the fiber is called

A.         Interruption
B.         Propagation
C.         Scattering
D.         Attenuation

25. During networking, the process of processor asking each host that if it want to send message is   called  
    
                        A.     Querying
B.     Sharing
C.     Polling
D.     Communicating






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