Questions
5
_______ refers to two characteristics: when data should be sent and how fast it can be sent.
Answer: Timing
6
A _______ is a data communication system within a building, plant, or campus, or between nearby buildings.
Answer: LAN
7
Which agency developed standards for physical connection interfaces and electronic signaling specifications?
Answer: EIA
8
_______ are special-interest groups that quickly test, evaluate, and standardize new technologies.
Answer: Regulatory agencies
9
Data flow between two devices can occur in a _______ way.
Answer: all of the above
10
A television broadcast is an example of _______ transmission.
Answer: simplex
11
Frequency of failure and network recovery time after a failure are measures of the _______of a network.
Answer: Reliability
12
________ defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation.
Answer: Semantics
13
The information to be communicated in a data communications system is the _______.
Answer: Message
14
In a ______ connection, two and only two devices are connected by a dedicated link.
Answer: point-to-point
15
A ________ is a set of rules that governs data communication.
Answer: protocol
17
A _______ connection provides a dedicated link between two devices.
Answer: point-to-point
18
A ______ is a data communication system spanning states, countries, or the whole world.
Answer: WAN
19
______ refers to the physical or logical arrangement of a network.
Answer: Topology
20
There are ______________ Internet service providers.
Answer: all of the above
