FUNDAMENTALS OF COMPUTER

COMPUTER HARDWARE COMPONENTS FUNCTIONS

EXTERNAL AND INTERNAL STORAGE DEVICES

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

What kind of media is most commonly used when large amounts of data need to be archived on a regular basis?

A	Tape
B	Optical disc
C	External hard drive
D	Network share

Explanation:

Detailed explanation-1: -Although many storage administrators are now choosing disk as the media of choice for backups, tape storage media remains the most widely used archive media mostly because of its cost-to-capacity ratio, but also due to a very broad and well-established implementation base.

Detailed explanation-2: -Data written to DVD and Blu-Ray should be fine for decades. Archive-quality DVD-R uses dual reflective layers and an extra hard coating to prevent scratching, and they are 10 times the price of DVD-R. M-disc is specifically designed for long-term storage and uses an inorganic layer that is designed to last 100 years.

Detailed explanation-3: -HDDs may also demagnetize over time if not used. Optical archival media technologies, such as CDs, DVDs or Blu-ray, offer greater storage density and error correction, but their long-term reliability is still being analyzed.

There is 1 question to complete.