Chapter One Introduction to Data Communications
E = Easy M = Medium H = Hard
True or False
1. Extensive digitization is a process that began in the 1960s.
Answer: [T] Difficulty: E Reference: 3
2. Widespread growth of data communications began in the 1970s.
Answer: [T] Difficulty: E Reference: 5
3. Early mainframe computers were based on a closed architecture technology.
Answer: [T] Difficulty: E Reference: 3
4. The trend today is the use of closed architecture technologies.
Answer: [F] Difficulty: E Reference: 5
,5. A key goal of deregulation is to allow more competition to enter a market.
Answer: [T] Difficulty: E Reference: 7
6. There is much international competition to provide telecommunication services.
Answer: [T] Difficulty: E Reference: 7
7. The Advanced Research Projects Agency was created in 1958 as a response to the Soviet
Union’s launch of Sputnik.
Answer: [T] Difficulty: E Reference: 7
8. The current version of the Internet is referred to as IPv4.
Answer: [T] Difficulty: E Reference: 8
9. Telemetry is a wired or cabled communication technology that can be used to remotely
monitor environmental conditions or equipment parameters.
Answer: [T] Difficulty: M Reference: 9
,10. One of the original purposes of the Internet was to provide remote multimedia video
sharing among researchers.
Answer: [F] Difficulty: M Reference: 10
11. Data communications is a subset of telecommunications.
Answer: [T] Difficulty: E Reference: 11
12. Traditional data communications does not include such technologies as television and
telegraphy.
Answer: [T] Difficulty: M Reference: 12
13. Data cannot include or convey graphic images, sound, or video files.
Answer: [F] Difficulty: M Reference: 12
14. Binary code uses two distinct values.
Answer: [T] Difficulty: E Reference: 12
15. A protocol can be used to determine how devices communicate.
Answer: [T] Difficulty: M Reference: 14
16. Sending and receiving devices’ communication speeds must agree.
, Answer: [T] Difficulty: M Reference: 14
17. De facto standards are sometimes proprietary.
Answer: [T] Difficulty: M Reference: 15
18. It is unusual for a formal standard to evolve from a de facto standard.
Answer: [F] Difficulty: H Reference: 15
19. Networks have only a physical component.
Answer: [F] Difficulty: M Reference: 17
20. The Federal Communications Commission is not a major standards-setting body.
Answer: [T] Difficulty: M Reference: 16
21. International standards-setting bodies can affect standards established in the United
States.
Answer: [T] Difficulty: M Reference: 16
22. The TCP/IP model is not based on a layered architecture.
E = Easy M = Medium H = Hard
True or False
1. Extensive digitization is a process that began in the 1960s.
Answer: [T] Difficulty: E Reference: 3
2. Widespread growth of data communications began in the 1970s.
Answer: [T] Difficulty: E Reference: 5
3. Early mainframe computers were based on a closed architecture technology.
Answer: [T] Difficulty: E Reference: 3
4. The trend today is the use of closed architecture technologies.
Answer: [F] Difficulty: E Reference: 5
,5. A key goal of deregulation is to allow more competition to enter a market.
Answer: [T] Difficulty: E Reference: 7
6. There is much international competition to provide telecommunication services.
Answer: [T] Difficulty: E Reference: 7
7. The Advanced Research Projects Agency was created in 1958 as a response to the Soviet
Union’s launch of Sputnik.
Answer: [T] Difficulty: E Reference: 7
8. The current version of the Internet is referred to as IPv4.
Answer: [T] Difficulty: E Reference: 8
9. Telemetry is a wired or cabled communication technology that can be used to remotely
monitor environmental conditions or equipment parameters.
Answer: [T] Difficulty: M Reference: 9
,10. One of the original purposes of the Internet was to provide remote multimedia video
sharing among researchers.
Answer: [F] Difficulty: M Reference: 10
11. Data communications is a subset of telecommunications.
Answer: [T] Difficulty: E Reference: 11
12. Traditional data communications does not include such technologies as television and
telegraphy.
Answer: [T] Difficulty: M Reference: 12
13. Data cannot include or convey graphic images, sound, or video files.
Answer: [F] Difficulty: M Reference: 12
14. Binary code uses two distinct values.
Answer: [T] Difficulty: E Reference: 12
15. A protocol can be used to determine how devices communicate.
Answer: [T] Difficulty: M Reference: 14
16. Sending and receiving devices’ communication speeds must agree.
, Answer: [T] Difficulty: M Reference: 14
17. De facto standards are sometimes proprietary.
Answer: [T] Difficulty: M Reference: 15
18. It is unusual for a formal standard to evolve from a de facto standard.
Answer: [F] Difficulty: H Reference: 15
19. Networks have only a physical component.
Answer: [F] Difficulty: M Reference: 17
20. The Federal Communications Commission is not a major standards-setting body.
Answer: [T] Difficulty: M Reference: 16
21. International standards-setting bodies can affect standards established in the United
States.
Answer: [T] Difficulty: M Reference: 16
22. The TCP/IP model is not based on a layered architecture.
