Computer Networks Questions & Answers – Basics – 1
1. The IETF standards documents are
called
a) RFC
b) RCF
c) ID
d) None of the mentioned
a) RFC
b) RCF
c) ID
d) None of the mentioned
Answer: a
Explanation: Request For Comments.
Explanation: Request For Comments.
2. 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
a) Added
b) Removed
c) Rearranged
d) Modified
Answer: a
Explanation: Every layer adds its own header to the packet from the previous layer.
Explanation: Every layer adds its own header to the packet from the previous layer.
3. The structure or format of data
is called
a) Syntax
b) Semantics
c) Struct
d) None of the mentioned
a) Syntax
b) Semantics
c) Struct
d) None of the mentioned
Answer: a
Explanation: The structure and format of data are defined using syntax. Semantics defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation.
Explanation: The structure and format of data are defined using syntax. Semantics defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation.
4. Communication between a computer
and a keyboard involves ______________ transmission
a) Automatic
b) Half-duplex
c) Full-duplex
d) Simplex
a) Automatic
b) Half-duplex
c) Full-duplex
d) Simplex
Answer: d
Explanation: Data flows in single direction.
Explanation: Data flows in single direction.
5. The first Network
a) CNNET
b) NSFNET
c) ASAPNET
d) ARPANET
a) CNNET
b) NSFNET
c) ASAPNET
d) ARPANET
Answer: d
Explanation: ARPANET – Advanced Research Projects Agency Networks was the first network to be implemented which used the TCP/IP protocol.
Explanation: ARPANET – Advanced Research Projects Agency Networks was the first network to be implemented which used the TCP/IP protocol.
6. The _______ is the physical path
over which a message travels
a) Path
b) Medium
c) Protocol
d) Route
a) Path
b) Medium
c) Protocol
d) Route
Answer: b
Explanation: Message travel from sender to reciever via a medium using a protocol.
Explanation: Message travel from sender to reciever via a medium using a protocol.
7. Which organization has authority
over interstate and international commerce in the communications field?
a) ITU-T
b) IEEE
c) FCC
d) ISOC
a) ITU-T
b) IEEE
c) FCC
d) ISOC
Answer: c
Explanation: FCC is the abbreviation for Federal Communications Commission. FCC is responsible for regulating all interstate communications originating or terminating in USA.
Explanation: FCC is the abbreviation for Federal Communications Commission. FCC is responsible for regulating all interstate communications originating or terminating in USA.
8. Which of this is not a network
edge device?
a) PC
b) Smartphones
c) Servers
d) Switch
a) PC
b) Smartphones
c) Servers
d) Switch
Answer: d
Explanation: Network egde devices refer to host systems, which can host applications like web browser.
Explanation: Network egde devices refer to host systems, which can host applications like web browser.
9. A set of rules that governs data
communication
a) Protocols
b) Standards
c) RFCs
d) None of the mentioned
a) Protocols
b) Standards
c) RFCs
d) None of the mentioned
Answer: a
Explanation: In communications, a protocol refers to a set of rules and regulations that allow a network of nodes to transmit and receive information.
Explanation: In communications, a protocol refers to a set of rules and regulations that allow a network of nodes to transmit and receive information.
10. Three or more devices share a
link in ________ connection
a) Unipoint
b) Multipoint
c) Point to point
d) None of the mentioned
a) Unipoint
b) Multipoint
c) Point to point
d) None of the mentioned
Answer: b
Explanation: A multipoint communication is established when three or many network nodes are connected to each other.
Explanation: A multipoint communication is established when three or many network nodes are connected to each other.
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