OSI Model – 1 – 1

1. OSI stands for :

(a) Open system interconnection
(b) Operating system interface
(c) Optical service implementation
(d) None of the mentioned

ANSWER
Answer : (a)

EXPLANATION
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2. The OSI model has ______ layers.

(a) 4
(b) 5
(c) 6
(d) 7

ANSWER
Answer : (d)

EXPLANATION
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3. The seven-layer _______ model provides guidelines for the development of universally compatible networking protocols.

(a) ISO
(b) OSI
(c) IEEE
(d) none of the above

ANSWER
Answer : (b)

EXPLANATION
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4. Layer one of the OSI model is :

(a) Physical layer
(b) Link layer
(c) Transport layer
(d) Network layer

ANSWER
Answer : (a)

EXPLANATION
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5. Repeater operates in which layer of the OSI model.

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

ANSWER
Answer : (a)

EXPLANATION
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