AnswersCareer Explorations IIThe OSI Reference Model

The OSI Reference Model Answers

9 verified answers1 views
1
Free Preview

Which answer represents the highest layer that network engineers are mainly concerned with?

A
transport layer
B
OSI Layer
C
application layer
D
network layer
2
Free Preview

Which is NOT a question that might help a network engineer isolate which layer in a network has a problem?

A
Are the data displaying in a garbled manner?
B
Is everything plugged in?
C
Are messages arriving in a timely manner?
D
Is the user operating the software correctly?
3

Megan says she never needs to look at the transport layer when she is searching for what went wrong with the network she supports. Is Megan right or wrong, and why?

A
Right, because the transport layer is software, and network engineers do not need to focus on software.
B
Right, because the transport layer usually does not go wrong in a way that involves a network engineer.
C
Wrong, because transporting information is what a network does, and the transport layer is at the heart of that layer.
D
Wrong, because if data are coming through garbled, it is a transport layer problem.
4

Which of the following are parts of the physical layer?

A
pointers
B
connectors
C
cables
D
pins
5

What is a layer, in the context of this lesson?

A
the ethernet word for a packet
B
a device for remembering something
C
a logical unit of a system
D
a computer’s most basic program
6

Why is the OSI reference model useful?

A
Because it provides troubleshooters a shared frame of reference.
B
Because it can be applied to a network to solve anything that goes wrong.
C
Because it means all network equipment is built to the same standard.
D
Because the OSI creates standards that network engineers need.
7

Why is it worth remembering “All people seem to need data processing”?

A
Because it will help you understand how physical networks are maintained.
B
Because data processing is the real reason for a network engineer.
C
Because that is an ISO standard for network engineers to know.
D
Because that will help you remember the OSI reference model.
8

Compare the logical link control and the media access control. Which of the following is a correct statement?

A
The logical link control involves pointers sending frames and waiting for responses.
B
The media access control ensures successful traffic.
C
The logical link control regulates the timing of a frame’s access to a part of a network.
D
The media access control is part of the network layer.
9

Match the vocabulary to the correct definition.

Answer not available

Did you find these answers helpful?

More from this Course

Instruction
11 verified answers

Instruction/Assignment

Instruction
11 verified answers

Instruction/Assignment

Instruction
11 verified answers

Instruction/Assignment