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Introduction to Networking

This test is based on the basic networking concepts for the gate preparation and for the academic students.

17 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following statements is false about transmission media in networking?

  1. Magnetic transmission media is often cost effective.
  2. Guided media uses copper wire and fiber optics.
  3. Microwave, radio or infrared are the examples of Unguided transmission media.
  4. In simplex transmission, the signals are transmitted in only one direction.
  5. None of the above
Question 2 Multiple Choice (Single Answer)

Which of the following is not a characteristic of twisted pair networking in transmission media?

  1. These have low cost.
  2. Twisted pairs can be used for transmitting either analog or digital signals.
  3. Twisted pairs have poor delay characteristics.
  4. None of the above
  5. Both (1) and (3)
Question 3 Multiple Choice (Single Answer)

Which of the following is/are false in case of message switching technique?

  1. This technique is called store and forward network technique.
  2. In this technique, no physical path establishes between the sender and the receiver.
  3. Message switching is useless for high data traffic.
  4. There is a limit to send a block size.
  5. Both (3) and (4)
Question 4 Multiple Choice (Single Answer)

Which of the following is/are false statement(s) about data link layer in OSI model?

  1. It provides services to the network layer.
  2. Logical Link Control layer is responsible for protocols, flow-control and error control.
  3. Acknowledged connection less service in data link layer is appropriate in wireless systems.
  4. None of the above
  5. Both (2) and (3)
Question 5 Multiple Choice (Single Answer)

Which of the following is/are true about system interconnection wireless networks?

  1. These networks are operated for short range signals.
  2. These networks show master-slave relationship among the components.
  3. Bluetooth is an example of system interconnection wireless network.
  4. All of the above
  5. Only (1) and (2)
Question 6 Multiple Choice (Single Answer)

Which of the following is/are true statements about multiplexing in networking?

  1. Frequency-division multiplexing (FDM) uses similar range frequencies over a single medium.
  2. FDM uses optical communication.
  3. Carrier Sense Multiple Access (CSMA) is an example of Time division Multiplexing.
  4. All of the above
  5. Only (2) and (3) are correct
Question 7 Multiple Choice (Single Answer)

Which of the following is/are false statements about Code division multiplexing in networking?

  1. It uses electromagnetic radiation to separate orthogonal channels.
  2. In CDM, several channels simultaneously share the same frequency spectrum.
  3. CDM uses sequencing group of bits from individual input stream.
  4. Both (1) and (2)
  5. Both (1) and (3)
Question 8 Multiple Choice (Single Answer)

Which of the following is the false statement?

  1. Wave Division Multiplexing (WDM) is called the optical equivalent of Frequency Division Multiplexing (FDM) .
  2. FDM modulates the several data streams on to a different part of light spectrum.
  3. TDM repeatedly transmits a fixed sequence of time slots over a single transmission channel.
  4. Television transmitter is an example of FDM.
  5. None of the above
Question 9 Multiple Choice (Single Answer)

Which of the following is/are false about congestion in networking?

  1. Congestion occurs when the bandwidth is insufficient.
  2. Congestion causes slow response time.
  3. It reduces network throughput.
  4. Due to congestion, frame or data packet loss and the blocking of new connections.
  5. None of the above
Question 10 Multiple Choice (Single Answer)

Which of the following is/are true statement about dynamic channel allocation in networking?

  1. In dynamic channel allocation, stations first checks whether the channel is busy or not.
  2. In dynamic channel allocation, stations can not sense the channel before trying to use it.
  3. CSMA/CD systems use 1-persistent CSMA including Ethernet.
  4. All of the above
  5. Both (1) and (3)
Question 11 Multiple Choice (Single Answer)

Which of the following is a false statement about network topology?

  1. In Ring topology, if a device fails then the entire network will fall.
  2. Ring topology can be used in school buildings.
  3. In Ring topology devices typically connect to the hub with Unshielded Twisted Pair (UTP).
  4. Star topology uses a router for connecting devices.
  5. In Ring topology, all messages travel through a ring in the same direction.
Question 12 Multiple Choice (Single Answer)

Which of the following is/are false in case of Virtual Circuit Subnet?

  1. There is no state information necessary for VC subnet.
  2. In VC subnet, the routing can be done independently.
  3. Congestion control is very much difficult in VC subnet.
  4. All of the above
  5. Only (1) and (2)
Question 13 Multiple Choice (Single Answer)

Which of the following is/are false about Broadcast networks?

  1. These networks share a single communication channel.
  2. LANs (Local Area Networks) work as a Broadcast network.
  3. In Broadcast networks, the pair of routers are directly connected.
  4. Broadcast networks are used in Data Link Layer.
  5. None of the above
Question 14 Multiple Choice (Single Answer)

Which of the following is/are true about non-persistent CSMA (Carrier Sense Multiple Access Protocol)?

  1. In case of busy channel, non-persistent CSMA waits for a random time.
  2. In case of busy channel, non-persistent CSMA waits until it becomes idle.
  3. The stations transmits with a probability of 1 in case of non-persistent CSMA.
  4. All of the above
  5. Both (1) and (2)
Question 15 Multiple Choice (Single Answer)

Which of the following is/are correct about the Polar encoding scheme in Digital transmission?

  1. This encoding schemes use multiple voltage levels to represent binary values.
  2. This encoding schemes use single voltage level to represent data.
  3. This scheme converts digital data into digital signal.
  4. This encoding scheme is of four types.
  5. Both (2) and (4)
Question 16 Multiple Choice (Single Answer)

Which of the following is not a service provided by the Session layer in OSI model of networking?

  1. It manages abstract data structures.
  2. It provides dialog control among the machines.
  3. It provides synchronization for networking mediums.
  4. It provides token management for two networking mediums.
  5. It provides a checkpoint for the long operations to continue their transmission from where they were crashed.
Question 17 Multiple Choice (Single Answer)

Which of the following is true about Negative ACK in Error Control mechanism?

  1. As soon as the receiver receives a correct frame, it should acknowledge it.
  2. In this, the sender and receiver either both or any, must ascertain that there’s been some error on transit.
  3. In case, the receiver receives a duplicate frame, it sends a NACK back to the sender and the sender must retransmit the correct frame.
  4. The sender checks the acknowledgement of a data-frame previously transmitted does not arrive in the timeout period, the sender retransmit the frame.
  5. None of the above
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