Transmission mode is either serial or transitional ported interval parallel A pe

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Transmission mode is either serial or transitional ported interval parallel A period is measured in seconds, milliseconds, nanoseconds, or peasecods picoseconds to accomplish its work. LLC uses a unit of data called a PDU, which stands for protocol data unit perfect data paradigm data user perception data Unix Two of the most common forms of data link layer flow control that are managed by LLC are: sliding doors and mailbox windows wait-and-see and moving doors stop-and-wait and sliding windows full and half-full doors Users of an enterprise's data communication infrastructure will be able to share common and equipment, software, data regulation, internet, files computers, mainframes, defense signals, components, telephones

Explanation / Answer

Question 31) Transmission mode is either serial or parallel

There are only 2 transmission modes serial or parallel. In serial mode the bits are followed one by one from one to other end where as in parallel mode group of bits are transmitted in one time through multiple lines. In serial we have again synchronous and asynchronous is ther.

Question 32) A period is measured in seconds,milliseconds,microseconds,nanoseconds or picoseconds

A picosecond is smaller measure than nanosecond which is 1012 or 1/1,000,000,000,000 of a second.A picosecond is a one trillionth of a second or one millionth of million of a second.Picosecond is represented as 0.000 000 000 001 seconds

Question 33)To accomplish its work, LLC uses a unit of data called PDU, which stands for Protocol Data Unit

A Protocol Data unit is Open system interconnection term which states that group of information which we can reffer as unit added or removed or changed by a layer in OSI model. Here LLC is Logical Link layer protocol which is used in to handles error control,flow control, MAC addressing e.t.c in network layer model (OSI).

Question 34) Two of the most common forms of data link layer flow control that are managed by llc are Stop-and-wait and sliding windows

These two are simple flow control forms which means the process of transmitting data between two nodes. Stop-and-wait flow control is the simple control in this the sender sends the data into frames to the reciever, First sender will send one frame and wait for the acknowledgment from the reciever this way sender sends the data into frames.

Whereas in sliding window flow control sender fills the data in window and sends it to the reciever. This type of sending one screenfull or window full of data is called sliding window flow control.

Question 35) Users of an enterprice data communication infrastructure will be able to share common signals,components and telephones.

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