Network Quiz For Ia
Questions and Answers
- 1.
In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are
- A.
Added
- B.
Removed
- C.
Rearranged
- D.
Modified
Correct Answer
A. AddedExplanation
As the data packet moves from the upper to the lower layers in the layer hierarchy, headers are added. This is because each layer in the hierarchy adds its own header to the data packet before passing it down to the next layer. These headers contain important information such as source and destination addresses, protocol information, and error checking data. By adding headers at each layer, the necessary information is included to ensure proper routing and handling of the data packet as it traverses through the network.Rate this question:
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- 2.
The structure or format of data is called
- A.
Syntax
- B.
Semantics
- C.
Struct
- D.
None of the mentioned
Correct Answer
A. SyntaxExplanation
Semantics defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation.Rate this question:
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- 3.
Communication between a computer and a keyboard involves ______________ transmission
- A.
Automatic
- B.
Half-duplex
- C.
Full-duplex
- D.
Simplex
Correct Answer
D. SimplexExplanation
Data flows in single direction.Rate this question:
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- 4.
The first Network
- A.
CNNET
- B.
NSFNET
- C.
ASAPNET
- D.
ARPANET
Correct Answer
D. ARPANETExplanation
ARPANET is the correct answer because it was the first network to implement the TCP/IP protocol suite, which is the foundation of modern internet communication. Developed by the Advanced Research Projects Agency (ARPA) of the United States Department of Defense, ARPANET was operational in the late 1960s and early 1970s. It connected various research institutions and allowed for the exchange of data and resources. ARPANET's success paved the way for the development of the internet as we know it today.Rate this question:
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- 5.
These factors affect transmission rate in DSL
- A.
The gauge of the twisted-pair line
- B.
Degree of electrical interfernece
- C.
Shadow fading
- D.
Both a and b
Correct Answer
D. Both a and bExplanation
Because DSL is made of twisted wire copper pair.Rate this question:
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- 6.
Which of this is not a constituent of residential telephone line?
- A.
A high-speed downstream channel
- B.
A medium-speed downstream channel
- C.
A low-speed downstream channel
- D.
None of the mentioned
Correct Answer
C. A low-speed downstream channelExplanation
he third part is ordinary two way telephone channel.Rate this question:
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- 7.
He following term is not associted with DSL
- A.
DSLAM
- B.
CO
- C.
Splitter
- D.
CMTS
Correct Answer
D. CMTSExplanation
Cable modem termination system is used in cable internet accessRate this question:
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- 8.
StarBand provides
- A.
FTTH internet access
- B.
Cable access
- C.
Telephone access
- D.
Satellite access
Correct Answer
D. Satellite accessExplanation
StarBand provides satellite access, which means that they offer internet access, cable access, and telephone access through satellite technology. This allows users in remote or rural areas to access these services where traditional cable or telephone lines may not be available. Satellite access involves transmitting and receiving data signals via satellites orbiting the Earth, providing a reliable and widespread coverage. This technology is particularly useful in areas where other forms of access are limited or unavailable.Rate this question:
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- 9.
Choose the statement which is not applicable for cable internet access
- A.
It is a shared broadcast medium
- B.
It includes HFCs
- C.
Cable modem connects home PC to Ethernet port
- D.
Analog signal is converted to digital signal in DSLAM
Correct Answer
D. Analog signal is converted to digital signal in DSLAMExplanation
The statement "Analog signal is converted to digital signal in DSLAM" is not applicable for cable internet access. DSLAM (Digital Subscriber Line Access Multiplexer) is a device used in DSL (Digital Subscriber Line) technology to convert analog signals to digital signals. However, cable internet access uses a different technology called DOCSIS (Data Over Cable Service Interface Specification) which already transmits digital signals over the cable network. Therefore, there is no need for the analog to digital conversion in a DSLAM for cable internet access.Rate this question:
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- 10.
Home Access is provided by
- A.
DSL
- B.
FTTP
- C.
Cable
- D.
All of the mentioned
Correct Answer
D. All of the mentionedExplanation
Home access is provided by DSL, FTTP, and cable. DSL (Digital Subscriber Line) is a technology that uses existing telephone lines to provide high-speed internet access. FTTP (Fiber to the Premises) is a type of broadband service that uses fiber optic cables to connect homes directly to the internet. Cable internet uses the same coaxial cables that are used for cable television to provide internet access. Therefore, all of the mentioned options (DSL, FTTP, and cable) are correct answers for providing home access.Rate this question:
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