Answer:
A. 0
Explanation:
RAID level zero refers to disk arrays with striping at the level of blocks, but without any redundancy.
RAID ZERO (disk striping) : This is the process of dividing a body of data into blocks and also spreading the data blocks across multiple storage devices, such as hard disks or solid-state drives (SSDs), in a redundant array of independent disks (RAID) group.
Out of the following, the only one that I see is not the basic role of a webmaster is replying to customers questions about the web site! Usually they have a specific job for that; like customer service etc. Hopefully that helps.
less time and depth is required for panel discussions
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(Sorry for not being detailed)