Networking Basics Questions Answers Online Quiz Test

• 1. Routing is done on which layer

  1. Datalink Layer
  2. Network Layer
  3. Session
  4. Presentation

• 2. Which performs modulation and demodulation

  1. Modem
  2. Fiber optic
  3. satellite
  4. coaxial cable

• 3. Routing is done on which layer

  1. Datalink Layer
  2. Session Layer
  3. Network layer
  4. Transport Layer

• 4. Dialogue control and token management are responsibilities of

  1. Network layer
  2. Session Layer
  3. Transport Layer
  4. None of above

• 5. X.25 standard specifies

  1. technique for start-stop data
  2. technique for dial access
  3. DTE/DCE interface
  4. data bit rate

• 6. First network which was made available

  1. IBMm Token Ring 1985
  2. Novell Netware
  3. IBM PC Network 1984
  4. DECNet 1980

• 7. Most commonly used transmission speeds in BPS is

  1. 2400
  2. 9600
  3. 1200
  4. 4800

• 8. A central computer surrounded by one or more computers is called

  1. ring network
  2. bus network
  3. star network
  4. all of above

• 9. Which among following is correct

  1. Protocol converters are the same as multiplexers
  2. Protocol converters are the same as TDMs
  3. Protocol converters are usually not operated in pairs
  4. None of above

• 10. A network which need human intervention for routing signal is

  1. Bus network
  2. ring network
  3. star network
  4. T switched network

• 11. Videotax is combination of

  1. communication
  2. television
  3. computer technology
  4. all of above

• 12. Name of the topology in which there are bidirectional links between each possible nodes

  1. Ring
  2. Mesh
  3. Star
  4. Tree

• 13. Communication mode which supports data in both directions at the same time is called

  1. simplex
  2. Full duplex
  3. Half duplex
  4. multiplex

• 14. Frequency range 300 kHz to 3 MHz is used for

  1. AM radio transmission
  2. FM radio transmission
  3. TV radio transmission
  4. None of above

• 15. Sink means

  1. sending unit
  2. receiving unit
  3. broadcasting
  4. none of above

• 16. At data link layer error detection is achieved by

  1. Cyclic Redundancy Code
  2. Hamming codes
  3. Bit stuffing
  4. Equalization

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

  1. Interruption
  2. Propagation
  3. Scattering
  4. Attenuation

• 18. During networking, the process of processor asking each host that if it want to send message is called

  1. querying
  2. sharing
  3. communicating
  4. polling

• 19. In data transmission the bit coding scheme used to represent a byte is typically

  1. EBCDIC
  2. SNA
  3. ASCII
  4. Hexadecimal

• 20. A communication network which is used over regional, national or global area is

  1. LAN
  2. WAN
  3. MAN
  4. VAN