Matching Backup Media to Descriptions

This question requires matching different types of backup media with their corresponding descriptions. Understanding the characteristics of each backup medium is key to making the correct pairings.

Detailed Explanation of Backup Media Matches

Let's break down why each backup medium is correctly matched with its description:

Tape Drive Characteristics

Tape drives are well-known for their sequential access nature, meaning data must be read or written in order from beginning to end. They offer a very low cost per terabyte (TB), making them ideal for large-scale, long-term archiving or backups where speed is not the primary concern. Therefore, Tape Drive matches with 'Sequential-access, low cost per TB'.

SSD Backup Disk Features

SSD Backup Disks utilize Solid State Drive technology. SSDs are characterized by their speed, specifically fast random access capabilities, allowing quick retrieval of specific data blocks without reading through preceding data. They are also generally more durable than traditional hard drives because they have no moving parts. Thus, SSD Backup Disk is correctly paired with 'Fast random access, durable'.

Cloud Backup Definition

Cloud Backup refers to storing digital data on servers managed by a third party, accessed over the internet. This description perfectly aligns with 'Remote, internet-based storage', as the data is stored off-site and accessed online.

DVD Archive Properties

DVDs (Digital Versatile Discs) are a type of optical media. They are relatively inexpensive to produce and use, but they are slower for both reading and writing compared to disk-based storage like SSDs or HDDs. They are often used for archiving data due to their low cost and stability when stored properly. Therefore, DVD Archive fits the description 'Cheap but slower, optical media'.

Based on these explanations, the correct matching is a-iv, b-ii, c-iii, and d-i.