Question: 21. The Data Link Layer in the OSI Model ____________. a. Does not exist b. Is logical addressing c. Is physical addressing d. Deals with

21. The Data Link Layer in the OSI Model ____________.

a. Does not exist

b. Is logical addressing

c. Is physical addressing

d. Deals with bits

e. Deals with IP addresses

f. Deals with connectors and cables

g. All of the above

h. None of the above

22. The physical Layer in the OSI Model ____________.

a. Does not exist

b. Is logical addressing

c. Is physical addressing

d. Deals with the NIC

e. Deals with MAC addresses

f. Deals with connectors and cables

g. All of the above

h. None of the above

23. Data encapsulation occurs __________________.

A. In switches

B. On the way up the layers of the OSI model

C. On the way down the OSI model

D. Data encapsulation does not occur

24. What is one disadvantage of using a bus (daisy chaining) topology on a 100 user network?

a. Troubleshooting can be tedious

b. Requires expensive cabling

c. Topology will not allow segments

d. None of the above

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