Related InterviewSolutions

• Which of the following document configures the threshold which determines whether a query is “slow” for the purpose of the logging system?(a) systemLog.verbosity(b) operationProfiling.mode(c) operationProfiling.slowOpThresholdMs(d) none of the mentionedI got this question in an international level competition.My doubt is from MongoDB Maintenance topic in division GridFS, BSON Datatype and Administration Concepts of MongoDB
• On Linux, use the ______ command to check if disk I/O is a bottleneck for your database.(a) stat(b) iostats(c) iostat(d) none of the mentionedI had been asked this question in a job interview.My question is based upon MongoDB Maintenance in section GridFS, BSON Datatype and Administration Concepts of MongoDB
• MongoDB stores tag sets in the replica set configuration object, which is the document returned by _____(a) rs.config()(b) rs.conf()(c) rs.confstats()(d) all of the mentionedThe question was posed to me in unit test.This intriguing question originated from MongoDB Maintenance topic in section GridFS, BSON Datatype and Administration Concepts of MongoDB
• When the TTL thread is active, you will see _______ operations in the output of db.currentOp().(a) read(b) update(c) delete(d) all of the mentionedThis question was addressed to me in an online interview.I need to ask this question from MongoDB Maintenance topic in chapter GridFS, BSON Datatype and Administration Concepts of MongoDB
• Which of the following represents Shared lock?(a) R(b) w(c) r(d) WI had been asked this question by my college director while I was bunking the class.My question comes from MongoDB Maintenance topic in portion GridFS, BSON Datatype and Administration Concepts of MongoDB
• Point out the correct statement.(a) MongoDB distributions are currently available for Mac OS X, Linux, Windows Server 2012, Windows Server 2008 R2 64bit, Windows 7 (64 bit), Windows Vista, and Solaris(b) The MongoDB distribution for Solaris include support for the WiredTiger storage engine(c) mongod will not start if dbPath contains data files created by a storage engine(d) None of the mentionedThis question was posed to me during an online interview.I would like to ask this question from MongoDB Maintenance in division GridFS, BSON Datatype and Administration Concepts of MongoDB
• The _________ field provides the amount of resident memory in use.(a) mem.resident(b) memory.resident(c) mem.resident(d) all of the mentionedI had been asked this question in quiz.Asked question is from MongoDB Maintenance in division GridFS, BSON Datatype and Administration Concepts of MongoDB
• The ___________ collection stores custom roles that administrators create and assign to users to provide access to specific resources.(a) admin.system.role(b) admin.system.roles(c) admin.system.roleasign(d) all of the mentionedThis question was addressed to me during an online exam.The doubt is from MongoDB Maintenance in section GridFS, BSON Datatype and Administration Concepts of MongoDB
• ________ contains a counter of the total number of clients with active operations in progress or queued.(a) globalLock.active(b) localLock.activeClients(c) globalLock.activeClients(d) all of the mentionedThe question was posed to me in examination.My question is based upon MongoDB Maintenance topic in portion GridFS, BSON Datatype and Administration Concepts of MongoDB
• Point out the correct statement.(a) In MongoDB 3.0, cursor.explain() returns the indexOnly field to indicate whether the index covered a query(b) When an index covers a query, MongoDB can both match the query conditions and return the results using only the index keys(c) For read-heavy applications, deploy sharding and add one or more shards to a sharded cluster to distribute load among mongod instances(d) All of the mentionedI had been asked this question by my school teacher while I was bunking the class.Query is from MongoDB Maintenance in section GridFS, BSON Datatype and Administration Concepts of MongoDB