10. The 8-byte preamble in an ethernet frame serves to a. announce an incoming p

Question

10. The 8-byte preamble in an ethernet frame serves to
a. announce an incoming packet.
b. identify an incoming packet.
c. synchronize the receiver with the sender.
d. validate the packet data accuracy.

11. Each entry in a switch table does NOT contain which of the following?
a. MAC address
b. IP address
c. The interface associated with the address.
d. Time each entry was placed in the table.

12. The 802.11 MAC protocol implements collision detection.
True or False

13. When a 802.11 station begins to transmit a frame, it transmits the frame in its entirety.
True or False

14. The 802.11 protocol employs RTS and CTS control frames to
a. detect collisions.
b. hide terminals from each other.
c. modulate sender frequency.
d. reserve access to the channel.

Explanation / Answer

10- Answer

(b)- identify an incoming packet.

11-Answer

(a)-Mac Adress

12- Answer

True

13- Answer

false

14-Answer

(a) - detect collision

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