LAN Switching and Wireless

601. The original IEEE 802.11, has a data rate of _________ Mbps.

1. 1
2. 6
3. 11
4. 22

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602. The original IEEE 802.11, uses _________.

1. FHSS
2. DSSS
3. OFDM
4. either (a) or (b)

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603. The original telephone network, which is referred to as the plain old telephone system (POTS), was an _________ system.

1. digital
2. analog
3. digital as well as analog
4. none of the above

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604. The OSI model consists of _________ layers.

1. three
2. five
3. seven
4. eight

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605. The path overhead consists of _________ bytes.

1. 1
2. 6
3. 9
4. 18

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606. The period of a satellite, the time required for a satellite to make a complete trip around the Earth, is determined by __________ law.

1. Kepler's
2. Newton's
3. Ohm's
4. none of the above

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607. The physical layer is concerned with the movement of _________ over the physical medium.

1. programs
2. dialogs
3. protocols
4. bits

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608. The physical, data link, and network layers are the _________ support layers.

1. user
2. network
3. both (a) and (b)
4. neither (a) nor (b)

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609. The process-to-process delivery of the entire message is the responsibility of the _________ layer.

1. Network
2. Transport
3. Application
4. Physical

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610. The protocol that is used for signaling in the telephone network is called _________.

1. POP
2. SSS
3. SS7
4. none of the above

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