Explanation:0 is returned by MongoDB applications upon successful exit. 2. Point out the correct statement :
A. 2 is returned by mongod if there is a mismatch between hostnames specified on the command line and in the local.sources collection
B. When an index covers a query, MongoDB can both match the query conditions and return the results using only the index keys
C. Both 2 and 4 are returned by mongod if there is a mismatch between hostnames specified on the command line and in the local.sources collection
D. All of the mentioned
Answer:A
Explanation:0 is returned by MongoDB applications upon successful exit. 2. Point out the correct statement :
A. 2 is returned by mongod if there is a mismatch between hostnames specified on the command line and in the local.sources collection B. When an index covers a query, MongoDB can both match the query conditions and return the results using only the index keys C. Both 2 and 4 are returned by mongod if there is a mismatch between hostnames specified on the command line and in the local.sources collection D. All of the mentioned
Explanation: mongod may also return this status if oplog collection in the local database is not readable. 3. Instance exits cleanly is represented by ___ exit code