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Networking Questions Set 55:

Quiz Mode

Which of the following terms is not associated with DSL?

DSLAM

Splitter

CMTS

Solution:

Among the optical distribution architectures, the one that is essentially switched Ethernet is:

AON

PON

MON

NON

Solution:

We want to design a synchronous counter that counts the sequence 0-1-0-2-0-3 and then repeats. The minimum number of J-K flip-flops required to implement this counter is

Solution:

An organization uses Class C IPv4 addresses. The particular department of the organization has 1022 usable hosts. Find the CIDR notation of the subnet address.

/21

/20

/22

/19

Solution:

What is Wired Equivalent Privacy (WEP)?

Security algorithm for Ethernet

Security algorithm for wireless networks

Security algorithm for USB communication

Security algorithm for emails

Solution:

Modulation is the process of

sending a file from one computer to another computer

converting digital signals to analog signals

converting analog signals to digital signals

echoing every character that is received

Solution:

In the FTP (File Transfer Protocol) protocol, the client contacts the server using which transport protocol?

Transmission Control Protocol

User Datagram Protocol

Datagram Congestion Control Protocol

Stream Control Transmission Protocol

Solution:

Why is a user datagram protocol (UDP) called connectionless?

All UDP packets are treated independently by the transport layer

It sends data as a stream of related packets

It is received in the same order as it was sent

It sends data very quickly

Solution:

The values of parameters for the Stop-and – Wait ARQ protocol are as given below.
Bit rate of the transmission channel = 1Mbps Propagation delay from sender to receiver = 0.75 ms Time to process a frame = 0.25ms Number of bytes in the information frame = 1980 Number of bytes in the acknowledge frame = 20 Number of overhead bytes in the information frame = 20
Assume that there are no transmission errors. Then the transmission efficiency ( expressed in percentage) of the Stop-and – Wait ARQ protocol for the above parameters is _________( correct to 2 decimal place) .

Networking Questions Set 55:

Which of the following terms is not associated with DSL?

Solution:

Among the optical distribution architectures, the one that is essentially switched Ethernet is:

Solution:

We want to design a synchronous counter that counts the sequence 0-1-0-2-0-3 and then repeats. The minimum number of J-K flip-flops required to implement this counter is

Solution:

An organization uses Class C IPv4 addresses. The particular department of the organization has 1022 usable hosts. Find the CIDR notation of the subnet address.

Solution:

What is Wired Equivalent Privacy (WEP)?

Solution:

Modulation is the process of

Solution:

In the FTP (File Transfer Protocol) protocol, the client contacts the server using which transport protocol?

Solution:

Why is a user datagram protocol (UDP) called connectionless?

Solution:

Solution:

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