Explanation:The documents in the system.js collection provide functions that your applications can use in any JavaScript context with MongoDB in this database. 10. In replica sets, each ________ maintains a connection to all other members of the set.
A. serverInfo
B. mongod
C. mongos
D. None of the mentioned
Answer:A
Explanation:The documents in the system.js collection provide functions that your applications can use in any JavaScript context with MongoDB in this database. 10. In replica sets, each ________ maintains a connection to all other members of the set.
A. serverInfo B. mongod C. mongos D. None of the mentioned
Explanation:mongod uses background threads for a number of internal processes, including TTL collections, replication, and replica set health checks, which may require a small number of additional resources. Sanfoundry Global Education & Learning Series – MongoDB.