Communication basics Flashcards

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1
Q

What is a Baud Rate?

A

the number of symbols (or symbol changes) that are transferred across a network in a set amount of time

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2
Q

What is Baud rate based on?

A
  • Baud rate is based on the number of bits encoded in each signal change; so, for example, where eight bits are encoded into a signal change the bit rate will be eight times higher than the baud rate.
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3
Q

What is bit rate?

A
  • is the number of bits transferred across network in a set amount of time; normally measured in bits per second
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4
Q

What us bandwidth?

A

is the speed of a network or the maximum rate at which data is transferred.

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5
Q

What is bandwidth measured in?

A

It is normally measured in hertz (Hz) and indicates the maximum amount of data that can pass from one point to another in a unit of time.

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6
Q

What is bit rate directly proportional to?

A

Bit rate is directly proportional to bandwidth.

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7
Q

What is latency

A

is the term used in a packet switched network to measure the time delay between the source sending a data packet and the destination receiving that packet.

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8
Q

What is ping?

A

Ping is a network utility used to measure latency; it works by calculating the time taken for a round trip of a data packet between its source and destination.

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9
Q

What is a protocol?

A

a set of rules or standards which computers use for communication

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10
Q

Give an example of a protocol?

A

An example of a protocol is TCP/IP which provides a unique identifier for a device or computer, known as its IP address, and the transmission control protocol (TCP) sets the standard for the delivery of information packets across networks.

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