Practice Exam Test Questions
Choose the letter of the best answer in each questions.
1. There are ______________ Internet service providers.
A) regional
B) local
C) national and international
D) all of the above
Answer: Option D
2. ______ refers to the physical or logical arrangement of a network.
A) Topology
B) Mode of operation
C) Data flow
D) None of the above
Answer: Option A
3. A ______ is a data communication system spanning states, countries, or the whole world.
A) MAN
B) WAN
C) LAN
D) none of the above
Answer: Option B
4. A _______ connection provides a dedicated link between two devices.
A) primary
B) multipoint
C) point-to-point
D) secondary
Answer: Option C
5. Which topology requires a multipoint connection?
A) Bus
B) Star
C) Mesh
D) Ring
Answer: Option A
6. A ________ is a set of rules that governs data communication.
A) protocol
B) forum
C) standard
D) none of the above
Answer: Option A
7. In a ______ connection, two and only two devices are connected by a dedicated link.
A) multipoint
B) point-to-point
C) (a) and (b)
D) none of the above
Answer: Option B
8. The information to be communicated in a data communications system is the _______.
A) Medium
B) Protocol
C) Message
D) Transmission
Answer: Option C
9. ________ defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation.
A) Syntax
B) Semantics
C) Timing
D) None of the above
Answer: Option B
10. Frequency of failure and network recovery time after a failure are measures of the _______of a network.
A) Performance
B) Security
C) Reliability
D) Feasibility
Answer: Option C
11. A television broadcast is an example of _______ transmission.
A) half-duplex
B) simplex
C) full-duplex
D) automatic
Answer: Option B
12. Data flow between two devices can occur in a _______ way.
A) simplex
B) half-duplex
C) full-duplex
D) all of the above
Answer: Option D
13. _______ are special-interest groups that quickly test, evaluate, and standardize new technologies.
A) Standards organizations
B) Regulatory agencies
C) Forums
D) All of the above
Answer: Option C
14. Which agency developed standards for physical connection interfaces and electronic signaling specifications?
A) ISO
B) ITU-T
C) ANSI
D) EIA
Answer: Option D
15. A _______ is a data communication system within a building, plant, or campus, or between nearby buildings.
A) LAN
B) MAN
C) WAN
D) none of the above
Answer: Option A
16. _______ refers to two characteristics: when data should be sent and how fast it can be sent.
A) Semantics
B) Timing
C) Syntax
D) none of the above
Answer: Option B
17. This was the first network.
A) CSNET
B) NSFNET
C) ARPANET
D) ANSNET
Answer: Option C
18. Devices may be arranged in a ______ topology.
A) mesh
B) ring
C) bus
D) all of the above
Answer: Option D
19. _______ is the protocol suite for the current Internet.
A) UNIX
B) NCP
C) TCP/IP
D) ACM
Answer: Option C
20. ________ is a collection of many separate networks.
A) A WAN
B) An internet
C) A LAN
D) None of the above
Answer: Option B
21. In a ________ connection, three or more devices share a link.
A) point-to-point
B) multipoint
C) (a) and (b)
D) none of the above
Answer: Option B
22. Which organization has authority over interstate and international commerce in the communications field?
A) FCC
B) IEEE
C) ITU-T
D) ISOC
Answer: Option A
23. In the original ARPANET, _______ were directly connected together.
A) routers
B) host computers
C) networks
D) IMPs
Answer: Option D
24. Communication between a computer and a keyboard involves ______________ transmission.
A) simplex
B) half-duplex
C) full-duplex
D) automatic
Answer: Option A
25. Which topology requires a central controller or hub?
A) Mesh
B) Bus
C) Star
D) Ring
Answer: Option C
26. The _______ is the physical path over which a message travels.
A) Protocol
B) Signal
C) Medium
D) All the above
Answer: Option C
27. In a _______ connection, more than two devices can share a single link.
A) multipoint
B) point-to-point
C) primary
D) secondary
Answer: Option A
28. _______ refers to the structure or format of the data, meaning the order in which they are presented.
A) Semantics
B) Syntax
C) Timing
D) All of the above
Answer: Option B
29. An unauthorized user is a network _______ issue.
A) Security
B) Reliability
C) Performance
D) All the above
Answer: Option A
30. ________ is an idea or concept that is a precursor to an Internet standard.
A) RCF
B) ID
C) RFC
D) none of the above
Answer: Option C
31. In _______ transmission, the channel capacity is shared by both communicating devices at all times.
A) simplex
B) half-duplex
C) full-duplex
D) half-simplex
Answer: Option C