1.
The transmitting station sends one message frame and then waits for an acknowledgment before sending the next message frame.
A. 
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. 
B. 
Simplex Protocol for a Noisy Channel
C. 
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.
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A. 
B. 
C. 
D. 
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. 
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.
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19.
True or False. Both switches and bridges have the same architecture.
20.
True or False.Repeaters are more expensive than gateway.