CNIT 344 Exam 1 Questions and
Answers | 100% Pass
Components of Communication - Correct Answer️️ -Message Source -> Encoder ->
Transmitter -> Transmission Medium "The Channel" -> Receiver -> Decoder ->
Message Destination
What ISO Standard is the OSI Model? - Correct Answ...
What is the physical layer of the OSI model responsible for? - Correct Answer✔️✔️-It is
responsible for the transmission and receipt of the bit stream to/from nodes. It is solely
concerned with signaling techniques (such as activating, maintaining, and terminating
the physical circuit).
Where is the physical layer of the OSI model defined? - Correct Answer✔️✔️-X.211
What is the data link layer of the OSI model responsible for? - Correct Answer✔️✔️-It is
responsible for providing point-to-point validity of the data via point-to-point
checking/correction, and it is responsible for the procedures and protocols for reliably
operating the communication links.
It has an independent address architecture from other layers.
What does the data link layer convert? - Correct Answer✔️✔️-It converts data into
frames.
What are the two sub-layers in the data link layer? - Correct Answer✔️✔️-- MAC
3/20
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