Point out the correct statement.
a) Cassandra does not immediately remove data marked for deletion from disk
b) A deleted column can reappear if you do not run node repair routinely
c) The deletion of marked data occurs during compaction
d) All of the mentioned

Option D is correct.

Explanation:

Cassandra labeling information with such a gravestone indicates should restart transmitting an erase request to such a duplicate that had been down earlier of deletion.

Cassandra may not instantly delete information labeled for removal from disc the removal of identified information takes place throughout compaction a deleted section may reappear when a maintenance is never regularly carried out.

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solution:

the auto-correct option of the auto-correct tool enables you to add and delete words that do not follow abbreviation rules because:

it is a feature that allows outlook to correct common spelling and typing errors and to replace characters with symbols. we can also can use auto-correct as a shortcut, which means we can type a small string of characters and have those characters replaced by a longer string.