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| 1 | The _______ is the physical path over which a message travels. |
 | A) | Protocol |
| B) | Medium |
| C) | Signal |
| D) | All the above |
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| 2 | The information to be communicated in a data communications system is the _______. |
| A) | Medium |
| B) | Protocol |
| C) | Message |
| D) | Transmission |
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| 3 | Frequency of failure and network recovery time after a failure are measures of the _______ of a network. |
| A) | Performance |
| B) | Reliability |
| C) | Security |
| D) | Feasibility |
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| 4 | An unauthorized user is a network _______ issue. |
| A) | Performance |
| B) | Reliability |
| C) | Security |
| D) | All the above |
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| 5 | Which topology requires a central controller or hub? |
| A) | Mesh |
| B) | Star |
| C) | Bus |
| D) | Ring |
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| 6 | Which topology requires a multipoint connection? |
| A) | Mesh |
| B) | Star |
| C) | Bus |
| D) | Ring |
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| 7 | Communication between a computer and a keyboard involves ______________ transmission. |
| A) | simplex |
| B) | half-duplex |
| C) | full-duplex |
| D) | automatic |
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| 8 | A television broadcast is an example of _______ transmission. |
| A) | simplex |
| B) | half-duplex |
| C) | full-duplex |
| D) | automatic |
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| 9 | A _______ connection provides a dedicated link between two devices. |
| A) | point-to-point |
| B) | multipoint |
| C) | primary |
| D) | secondary |
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| 10 | In a _______ connection, more than two devices can share a single link. |
| A) | point-to-point |
| B) | multipoint |
| C) | primary |
| D) | secondary |
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| 11 | 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 |
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| 12 | In the original ARPANET, _______ were directly connected together. |
| A) | IMPs |
| B) | host computers |
| C) | networks |
| D) | routers |
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| 13 | This was the first network. |
| A) | CSNET |
| B) | NSFNET |
| C) | ANSNET |
| D) | ARPANET |
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| 14 | Which organization has authority over interstate and international commerce in the communications field? |
| A) | ITU-T |
| B) | IEEE |
| C) | FCC |
| D) | ISOC |
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| 15 | _______ 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 |
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| 16 | Which agency developed standards for physical connection interfaces and electronic signaling specifications? |
| A) | EIA |
| B) | ITU-T |
| C) | ANSI |
| D) | ISO |
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| 17 | _______ is the protocol suite for the current Internet. |
| A) | TCP/IP |
| B) | NCP |
| C) | UNIX |
| D) | ACM |
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| 18 | _______ 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 |
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| 19 | ________ 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 |
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| 20 | _______ 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 |
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| 21 | Data flow between two devices can occur in a _______ way. |
| A) | simplex |
| B) | half-duplex |
| C) | full-duplex |
| D) | all of the above |
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| 22 | 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 |
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| 23 | 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 |
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| 24 | ______ refers to the physical or logical arrangement of a network. |
| A) | Data flow |
| B) | Mode of operation |
| C) | Topology |
| D) | None of the above |
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| 25 | Devices may be arranged in a _____ topology. |
| A) | mesh |
| B) | ring |
| C) | bus |
| D) | all of the above |
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| 26 | A _______ is a data communication system within a building, plant, or campus, or between nearby buildings. |
| A) | MAN |
| B) | LAN |
| C) | WAN |
| D) | none of the above |
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| 27 | A ______ is a data communication system spanning states, countries, or the whole world. |
| A) | MAN |
| B) | LAN |
| C) | WAN |
| D) | none of the above |
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| 28 | ________ is a collection of many separate networks. |
| A) | A WAN |
| B) | An internet |
| C) | a LAN |
| D) | None of the above |
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| 29 | There are ______________ Internet service providers. |
| A) | local |
| B) | regional |
| C) | national and international |
| D) | all of the above |
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| 30 | A ________ is a set of rules that governs data communication. |
| A) | forum |
| B) | protocol |
| C) | standard |
| D) | none of the above |
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| 31 | ________ is an idea or concept that is a precursor to an Internet standard. |
| A) | RCF |
| B) | RFC |
| C) | ID |
| D) | none of the above |