Explanation:The config database is internal: applications and administrators should not modify or depend upon its content in the course of normal operation. 2. Point out the correct statement:
A. The local database supports sharded cluster operation
B. The config database is a dependable API, and users should not write data to the config database in the course of normal operation or maintenance
C. Modification of the config database on a functioning system may lead to instability or inconsistent data sets
D. All of the mentioned
Answer:A
Explanation:The config database is internal: applications and administrators should not modify or depend upon its content in the course of normal operation. 2. Point out the correct statement:
A. The local database supports sharded cluster operation B. The config database is a dependable API, and users should not write data to the config database in the course of normal operation or maintenance C. Modification of the config database on a functioning system may lead to instability or inconsistent data sets D. All of the mentioned
Explanation:If you must modify the config database, use mongodump to create a full backup of the config database. 3. The _________ collection stores a document for each sharded collection in the cluster.