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Networking Questions Set 40:

Quiz Mode

The physical layer is responsible for

modulation

channel coding

line coding

all of the mentioned

Solution:

Which of these is not a guided media?

Fiber optical cable

Wireless LAN

Coaxial cable

Copper wire

Solution:

Which of the following is different from the others?

File transfer

File download

Interactive games

Solution:

Which of the following are DNS record types?

i) and ii) only

iii) and iv) only

i) and iii) only

All the above

Solution:

Which of the following is an example of a dynamic routing algorithm?

Shortest path

Flooding

Dijkstra

Distance vector

Solution:

In packet switching systems, resources are allocated on demand.

packet switching

circuit switching

line switching

frequency switching

Solution:

What will be the efficiency of a Stop and Wait protocol, if the transmission time for a frame is 20 ns and the propagation time is 30 ns?

20%

25%

40%

66%

Solution:

In the TCP/IP model, the layer that receives data at device B after it is sent from device A is the ____________

Application layer

Transport layer

Link layer

Session layer

Solution:

In Remote Procedure Calls (RPC), while a server is processing the call, the client is blocked unless the client sends an asynchronous request to the server.

unless the client sends an asynchronous request to the server

unless the call processing is complete

for the complete duration of the connection

unless the server is disconnected

Solution:

In a communication network, a packet of length L bits takes link L1 with a probability of p1 or link L2 with a probability of p2. Link L1 and L2 have a bit error probability of b1 and b2 respectively. The probability that the packet will be received without error via either L1 or L2 is

(1 - b1)^L * p1 + (1 - b2)^L * p2

[1 - (b1 + b2)^L] * p1 * p2

(1 - b1)^L * (1 - b2)^L * p1 * p2

1 - (b1^L * p1 + b2^L * p2)

Networking Questions Set 40:

The physical layer is responsible for

Solution:

Which of these is not a guided media?

Solution:

Which of the following is different from the others?

Solution:

Which of the following are DNS record types?

Solution:

Which of the following is an example of a dynamic routing algorithm?

Solution:

In packet switching systems, resources are allocated on demand.

Solution:

What will be the efficiency of a Stop and Wait protocol, if the transmission time for a frame is 20 ns and the propagation time is 30 ns?

Solution:

In the TCP/IP model, the layer that receives data at device B after it is sent from device A is the ____________

Solution:

In Remote Procedure Calls (RPC), while a server is processing the call, the client is blocked unless the client sends an asynchronous request to the server.

Solution:

In a communication network, a packet of length L bits takes link L1 with a probability of p1 or link L2 with a probability of p2. Link L1 and L2 have a bit error probability of b1 and b2 respectively. The probability that the packet will be received without error via either L1 or L2 is

Solution:

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