Data Communications - Data Link Protocol & Lan Devices
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This quiz covers data link protocols and devices in extending LANs.
- 1.The transmitting station sends one message frame and then waits for an acknowledgment before sending the next message frame.
- A.
Stop and Wait Protocol
- B.
Simplex Protocol for a Noisy Channel
- C.
One-Bit Sliding Window Protocol
- D.
Sliding Window Protocol using Go Back N
- 2.A source station can transmit several frames in succession before receiving an acknowledgment.
- A.
Stop and Wait Protocol
- B.
Simplex Protocol for a Noisy Channel
- C.
Sliding Window Protocol
- 3.A protocol that accepts frames out of order , but passes packets to the network layer in order, which is associated with timer, and when the timer expires, only those frames associated with the timer are retransmitted.
- A.
A Sliding Window Protocol Using Selective Repeat
- B.
Simplex Stop and Wait Protocol
- C.
Simplex Protocol for a Noisy Channel
- 4.It can be a sender or receiver which is always in a specific state at every instant of time and consists of all values of its variables, including program counter. l
- A.
Tokens
- B.
Protocol machine
- C.
Transistion
- D.
Checksum
- 5.A ______________ is an electronic device that receives a signal and retransmits it at a higher level and/or higher power, or onto the other side of an obstruction, so that the signal can cover longer distances without degradation.
- 6.A _________ is a device for connecting multiple twisted pair or fiber optic Ethernet devices together, making them act as a single network segment.
- 7.A _____________ interconnects two or more individual LANs or LAN segments and connects networks that have different type of architectures.
- 8.A _____________ is a network node equipped for interfacing with another network that uses different protocols.
- 9.A __________ contains software that enables them to determine which of several possible paths between addresses is the best for a particular transmission and operates in the physical, data link, and network layers of the OSI model.
- 10.ISO Standard referring to Frame Structure.
- 11.ISO Standard referring to Elements of Procedure
- 12.This protocol allows multiple outstanding frames without waiting for an ack.
- A.
Sliding Window Protocol Using Go Back N
- B.
One-bit sliding window protocol
- C.
Unrestricted Simplex Protocol
- D.
A Simplex Protocol for a Noisy Channel
- 13.This protocol allows unidirectional data flow over an unreliable channel.
- A.
Sliding Window Protocol Using Go Back N
- B.
A Simplex Protocol for a Noisy Channel
- C.
Unrestricted Simplex Protocol
- D.
One-bit sliding window protocol
- 14.Transmission is one-directional and is assumed to be error free but the receiver has only a finite buffer capacity and a finite processing speed.
- A.
A Simplex Protocol for a Noisy Channel
- B.
Simplex Stop and Wait Protocol
- C.
One-bit sliding window protocol
- D.
Protocol Using Selective Repeat
- 15.Provides for data transmission in one direction , and it is assumed to be error free and the receiver is assumed to be able to process all the input infinitely quickly.
- A.
Unrestricted Simplex Protocol
- B.
Simplex Stop-and Wait Protocol
- C.
A Simplex Protocol for a Noisy Channel
- D.
Sliding Window Protocol
- 16.Which of the following is a disadvantage of a network bridge?
- A.
Reduce size of collision domain by microsegmentation in non switched networks.
- B.
Allows the introduction of management - performance information and access control.
- C.
Buffering introduces store and forward delays.
- D.
Transparent to protocols above the MAC layer
- 17._______________ is the amount of delay a network device introduces when data frames pass through it.
- 18.True or False.Repeaters provide electrical isolation while bridges propagate error. •
- A.
TRUE
- B.
FALSE
- 19.True or False. Both switches and bridges have the same architecture.
- A.
TRUE
- B.
FALSE
- 20.True or False.Repeaters are more expensive than gateway.
- A.
TRUE
- B.
FALSE
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