________ indexes expire documents after the specified number of seconds has passed since the indexed field value.
A. Hashed
B. Unique
C. Multikey
D. TTL
Answer:A
________ indexes expire documents after the specified number of seconds has passed since the indexed field value.
A. Hashed B. Unique C. Multikey D. TTL
Explanation:The expiration threshold is the indexed field value plus the specified number of seconds. 2. Point out the correct statement :