41. | 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 |
View Answer Report Discuss Too Difficult! Search Google |
Answer: full-duplex
|
42. | In the original ARPANET, _______ were directly connected together. |
a. | IMPs |
b. | host computers |
c. | networks |
d. | routers |
View Answer Report Discuss Too Difficult! Search Google |
Answer: (a).IMPs
|
43. | _______ are special-interest groups that quickly test, evaluate, and standardize new technologies. |
a. | Forums |
b. | Regulatory agencies |
c. | Standards organizations |
d. | All of the above |
View Answer Report Discuss Too Difficult! Search Google |
Answer: (a).Forums
|
44. | Which agency developed standards for physical connection interfaces and electronic signaling specifications? |
a. | EIA |
b. | ITU-T |
c. | ANSI |
d. | ISO |
View Answer Report Discuss Too Difficult! Search Google |
Answer: (a).EIA
|
45. | _______ 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 |
View Answer Report Discuss Too Difficult! Search Google |
Answer: (b).Syntax
|
46. | ________ defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation. |
a. | Semantics |
b. | Syntax |
c. | Timing |
d. | None of the above |
View Answer Report Discuss Too Difficult! Search Google |
Answer: (a).Semantics
|
47. | _______ refers to two characteristics: when data should be sent and how fast it can be sent. |
a. | Semantics |
b. | Syntax |
c. | Timing |
d. | none of the above |
View Answer Report Discuss Too Difficult! Search Google |
Answer: (c).Timing
|
48. | Data flow between two devices can occur in a _______ way. |
a. | simplex |
b. | half-duplex |
c. | full-duplex |
d. | all of the above |
View Answer Report Discuss Too Difficult! Search Google |
Answer: (d).all of the above
|
49. | 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 |
View Answer Report Discuss Too Difficult! Search Google |
Answer: (b).point-to-point
|
50. | In a ________ connection, three or more devices share a link. |
a. | multipoint |
b. | point-to-point |
c. | (a) and (b) |
d. | none of the above |
View Answer Report Discuss Too Difficult! Search Google |
Answer: (a).multipoint
|