Data | MCQs

Explanation

Explanation

Explanation

Optical fiber provides the fastest data transmission by using light signals to transmit data at high speeds.

It offers significantly higher bandwidth and lower latency compared to copper or coaxial cables.

Explanation

The process of copying data from a server to a personal computer is called downloading.

It involves transferring files or information from a remote source to a local device.

Explanation

In a fixed-length field, the number of characters remains constant for each data entry. For instance, if a field is defined as having a fixed length of 10 characters

Then each entry in that field will have precisely 10 characters, regardless of whether all 10 characters are utilized.

Explanation

• In simplex transmission mode, communication is unidirectional.
• It meaning that data flows only from the sender to the receiver.

Explanation

Data link layer contains frames.

Explanation

Explanation

Blue-ray disk stores more data than DVD.

The Blu-ray Disc, often known simply as Blu-ray, is a digital optical disc storage format.

ND11-2-2023

Explanation

Line charts are useful for showing trends over time and comparing many data series.

Line charts plot data at regular points connected by lines.

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ND24-1-2023