A _________ set of rules that governs data communication.

A _________ set of rules that governs data communication.
Protocols
Explanation: In communications, a protocol refers to a set of rules and regulations that allow a network of nodes to transmit and receive information. Each layer in the network model has a protocol set, for example, the transport layer has TCP and UDP protocols.
Standards
RFCs
Servers

Which organization has authority over interstate and international commerce in the communications field?

Which organization has authority over interstate and international commerce in the communications field?
FCC
Explanation: FCC is the abbreviation for Federal Communications Commission. FCC is responsible for regulating all interstate communications originating or terminating in USA. It was founded in the year 1934.
ITU-T
IEEE
ISOC

Communication between a computer and a keyboard involves ______________ transmission.

Communication between a computer and a keyboard involves ______________ transmission.
Simplex
Explanation: In simplex transmission, data flows in single direction which in this case refers to the data flowing from the keyboard to the computer. Another example would be of the mouse where the data flows from the mouse to the computer only.
Full-duplex
Half-duplex
Automatic

The structure or format of data is called ___________

The structure or format of data is called ___________
Syntax
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. In programming languages, syntax of the instructions plays a vital role in designing of the program.
Semantics
Struct
Formatting

In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are ___________

In the layer hierarchy as the data packet moves from the upper to the lower layers, headers are ___________
Added
Explanation: Each layer adds its own header to the packet from the previous layer. For example, in the Internet layer, the IP header is added over the TCP header on the data packet that came from the transport layer.
Removed
Rearranged
Modified
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