Data Transmission Essentials

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Quiz on serial/parallel, duplex, error checking, and encryption.

Creada por

Sam Cosslett

Tailandia

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Froggy Jumps Data Transmission EssentialsVersión en línea Quiz on serial/parallel, duplex, error checking, and encryption. por Sam Cosslett 1 What distinguishes serial from parallel transmission? a Serial uses encryption; parallel does not. b Serial is faster than any parallel method. c Serial sends bits sequentially on one channel; parallel sends multiple bits at once on multiple chan 2 Which direction allows two-way data transfer simultaneously? a Simplex b Full duplex c Half duplex 3 In half-duplex, when can transmission occur? a Only one direction at a time b Both directions simultaneously c Always directionless 4 Which error-checking method uses a parity bit to detect errors? a Parity check b Checksum c CRC 5 Which method detects errors by summing all data and comparing a result? a Checksum b Parity bit c CRC 6 Which is typically used to protect data integrity in networks? a Parity bit alone b CRC c Encryption only 7 What is a basic purpose of encryption in transmission? a To protect confidentiality of data b To add redundancy c To increase speed 8 Which transmission type can support two-way communication with no time gap? a Simplex b Full duplex c Serial 9 In what scenario is parallel transmission most advantageous? a Over long distances with one wire b Short distances with multiple wires within a bus c When encryption is not needed

Froggy Jumps

Data Transmission EssentialsVersión en línea

Quiz on serial/parallel, duplex, error checking, and encryption.

por Sam Cosslett

What distinguishes serial from parallel transmission?

Serial uses encryption; parallel does not.

Serial is faster than any parallel method.

Serial sends bits sequentially on one channel; parallel sends multiple bits at once on multiple chan

Which direction allows two-way data transfer simultaneously?

Simplex

Full duplex

Half duplex

In half-duplex, when can transmission occur?

Only one direction at a time

Both directions simultaneously

Always directionless

Which error-checking method uses a parity bit to detect errors?

Parity check

Checksum

CRC

Which method detects errors by summing all data and comparing a result?

Checksum

Parity bit

CRC

Which is typically used to protect data integrity in networks?

Parity bit alone

CRC

Encryption only

What is a basic purpose of encryption in transmission?

To protect confidentiality of data

To add redundancy

To increase speed

Which transmission type can support two-way communication with no time gap?

Simplex

Full duplex

Serial

In what scenario is parallel transmission most advantageous?

Over long distances with one wire

Short distances with multiple wires within a bus

When encryption is not needed

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Data Transmission Essentials

Froggy Jumps

Sobre esta actividad

Creada por

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Data Transmission EssentialsVersión en línea

por Sam Cosslett

What distinguishes serial from parallel transmission?

Which direction allows two-way data transfer simultaneously?

In half-duplex, when can transmission occur?

Which error-checking method uses a parity bit to detect errors?

Which method detects errors by summing all data and comparing a result?

Which is typically used to protect data integrity in networks?

What is a basic purpose of encryption in transmission?

Which transmission type can support two-way communication with no time gap?

In what scenario is parallel transmission most advantageous?

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