Data Link Layer – 1 – 1

1. The physical, data link, and network layers are the ______ support layers.

(a) user 
(b) network
(c) both (a) and (b)
(d) neither (a) nor (b)

ANSWER
Answer : (b)

EXPLANATION
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2. The _______ layer is responsible for delivering data units from one station to the next without errors.

(a) transport
(b) network
(c) data link
(d) physical

ANSWER
Answer : (c)

EXPLANATION
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3. Which layer of the OSI model handles error detection, network topology, and medium access?

(a) The physical layer
(b) The data link layer
(c) The transport layer
(d) The network layer

ANSWER
Answer : (b)

EXPLANATION
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4. Bridges function in the ______ layer.

(a) Physical
(b) Data link
(c) Network
(d) Transport

ANSWER
Answer : (b)

EXPLANATION
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5. The _______ standard describes the upper part of the data link layer.

(a) IEEE 802.2
(b) IEEE 802.3
(c) IEEE 802.4
(d) IEEE 802.5

ANSWER
Answer : (a)

EXPLANATION
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