LO5 - CH7 Review Questions

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Which access control method uses a device to check each potential sender to see whether it wants to transmit data?

c. polling
Which access control method circulates special transmission packets to control media access?

a. token passing
Which access control method provides the highest bandwidth to the senders and receivers it connects?

e. switching
Which of the following channel access methods is used in Ethernet networks?

a. CSMA/CD
Which of the following is an advantage of polling? (Choose all that apply.)
- b. equal access to the medium for all computers on the network
- d. allows priority assignment
What are the different implementations of 100 Mbps Ethernet? (Choose all that apply.)
- a. 100BaseT4
- b. 100BaseTX
- c. 100BaseFX
How many rings exist in an FDDI network?

b. two
Which Ethernet frame type does TCP/IP use?

b. Ethernet II
What is the function of the active monitor in a token ring network?

to manage the beaconing process
How many hubs can exist between two communicating hosts in an Ethernet hub-based network?

four
What channel access method does 802.11b use?

c. CSMA/CA
Which of the following is in common to all Ethernet implementations?

c. frame formats
What is the function of the CRC in Ethernet?

error checking or detection of data corruption
What device serves as the central point of connection in an FDDI network?

c. concentrator
What is the maximum bandwidth you can achieve when running Gigabit Ethernet in full-duplex mode?

a. 2000 Mbps
What minimum grade of cable is required for 1000BaseT?

c. Category 5
How many rings are used in a token ring environment?

a. one
The ____________ problem requires 802.11b hosts to send a CTS frame before transmitting data.

hidden node
What type of cable does 10GBASE-SR use?

multimode fiber (MMF)
Which 100 Mbps Ethernet standard can use Category 3 cable?

d. 100BaseT4
Which of the following is a transmission speed for token ring?

d. 16 Mbps
Which network architecture can automatically correct for cable failures? (Choose all that apply.)

c. token ring d. FDDI
Data is sent on the ____________ ring in an FDDI network.

primary
What is a hub in a token ring network called?

b. MSAU
Which channel access method does LocalTalk use?

c. CSMA/CA
What kind of connections does ATM establish before starting network communications?

a. dedicated circuit
Which of the following IEEE specifications applies to 1000BaseX?

b. 802.3z
Which of the following capabilities does ATM’s fixed-length (53-byte) cell structure enable? (Choose all that apply.)
- a. By making all traffic elements the same size, it makes traffic flow more predictable.
- b. It makes it possible to offer QoS guarantees for time-sensitive data.
- c. It helps make traffic prioritization possible.
- d. It makes cell-switching fast and efficient.
What is the standard for 10GB Ethernet?

c. 802.3ae
The document governing cable modem standards is _______________________.

DOCSIS
The maximum number of class I fast Ethernet repeaters allowed between stations is ________.

d. one

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LO5 - CH7 Review Questions

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CH7 Review Questions

Updated

2010-11-09T19:00:17Z