Exam 6: Errors, Error Detection, and Error Control

To minimize the effect of echo, a device called a(n) ____ can be attached to a line.

Impulse noise is also known as ____.

A ____ protocol's function is simply to inform the transmitter what piece of data is expected next.

Error bursts occur ____ percent of the time.

The ____________________ method typically adds 8 to 32 check bits to potentially large data packets and yields an error detection capability approaching 100 percent.

____ is not necessarily a form of error, but can indirectly lead to an increase in errors affecting the transmitted signal.

High humidity and wet weather can cause an increase in electrical ____ over a telephone system.

If a receiver correctly receives packets 2, 3, and 4, it will respond with a(an) ____ .

____________________ is the reflective feedback of a transmitted signal as the signal moves through a medium.

Sliding window protocols have been around since the 1970s.

Because white noise is relatively continuous, it can be reduced significantly but never completely eliminated.

When working with stop-and-wait error control, the amount of time a station waits before retransmitting a packet is called ____.

TCP performs error detection at the end points of the connection.

If the impulse spike interferes with an analog signal, removing it without affecting the original signal is extremely easy.

Longitudinal parity is sometimes called longitudinal redundancy check or ____ parity.

____ means that if the transmitting modem sends data and the data arrives garbled, the receiving modem may ask the transmitting modem to fall back to a slower transmission speed.

Simple parity comes in two basic forms: even parity and ____________________ parity.

____________________ is a relatively continuous type of noise and is much like the static you hear when a radio is being tuned between two stations.

____________________ is a process that keeps a transmitter from sending too much data to a receiver.

Returning a message was one of the first error-control techniques developed.