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problem 1: Which of the following terms is used specifically to identify the entity that is created when encapsulating data inside data link layer headers and trailers?

a. Data
b. Chunk
c. Segment
d. Frame
e. Packet
f. None of these—there is no encapsulation by the data link layer.

problem 2: Which OSI layer defines the functions of logical network-wide addressing and routing?

a. Layer 1
b. Layer 2
c. Layer 3
d. Layer 4
e. Layer 5
f. Layer 6
g. Layer 7

problem 3: Which OSI layer defines the standards for cabling and connectors?

a. Layer 1
b. Layer 2
c. Layer 3
d. Layer 4
e. Layer 5
f. Layer 6
g. Layer 7

problem 4: Which OSI layer defines the standards for data formats and encryption?

a. Layer 1
b. Layer 2
c. Layer 3
d. Layer 4
e. Layer 5
f. Layer 6
g. Layer 7

problem 5: Which of the given terms are not valid terms for the names of the seven OSI layers?

a. Application
b. Data link
c. Transmission
d. Presentation
e. Internet
f. Session

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