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Question 84/87
Select all true statements regarding to pipelines and the Aggregation Framework.
Correct Answer: A,B,D
https://docs.mongodb.com/manual/aggregation/
- Question List (87q)
- Question 1: Which of the following commands will delete a collection nam...
- Question 2: You have the following index in a movies collection: { "titl...
- Question 3: We have an accounts collection with the following document s...
- Question 4: Why is high cardinality important when choosing a shard key?...
- Question 5: You have a developers collection with the following document...
- Question 6: We have a movies collection with the following document stru...
- Question 7: Select all true statements regarding to the _id field in Mon...
- Question 8: Where is collection metadata stored in a sharded cluster?...
- Question 9: In your database there is a collection named trips with the ...
- Question 10: How to display MongoDB configuration file from command line?...
- Question 11: Which collection method do you need to use to drop a specifi...
- Question 12: We have an accounts collection with only one document: { _id...
- Question 13: Select true statements about capped collections....
- Question 14: The $sortByCount stage is equivalent to:...
- Question 15: There are some special databases in MongoDB that we cannot u...
- Question 16: In which situations can we consider sharding?...
- Question 17: Given a movies collection where each document has the follow...
- Question 18: How to create a new user with the root role named root_user ...
- Question 19: Why adding indexes may lead to slower write operations?...
- Question 20: Suppose you have a movies collection with the following docu...
- Question 21: In your database there is a collection named companies with ...
- Question 22: Suppose we have database with the following collections: db....
- Question 23: You have the following replica set configuration: conf = { "...
- Question 24: What does IOPS stand for in database terminology?...
- Question 25: Select true statements about the selection of the shard key....
- Question 26: You have the following config file: storage: dbPath: /data/d...
- Question 27: You have the following query: db.gamers.find( { "level": { "...
- Question 28: Which of the following operations can be used to access the ...
- Question 29: Given a companies collection where each document has the fol...
- Question 30: Select all true statements about chunks in MongoDB....
- Question 31: Select true statements about unique compound indexes....
- Question 32: Is MongoDB a NoSQL database?
- Question 33: There is a collection named products in MongoDB database. Yo...
- Question 34: Given a movies collection where each document has the follow...
- Question 35: What command can you use to create a capped collection named...
- Question 36: We have a movies collection with the following document stru...
- Question 37: Which of the following commands will successfully insert exa...
- Question 38: Select all true statements about elections (replica set)....
- Question 39: Which of the following processes are heavily reliant on avai...
- Question 40: Suppose you have a companies collection in your database. On...
- Question 41: Suppose you added the following index to a products collecti...
- Question 42: Which cursor method should you use to get information about ...
- Question 43: Suppose you want to familiarize with a new collection and wa...
- Question 44: Can you create a unique index in MongoDB?...
- Question 45: Select all true statements regarding to $out stage....
- Question 46: In your database there is a collection named sales with the ...
- Question 47: What stages will cause a merge on the primary shard for a da...
- Question 48: Suppose you have a sales collection with the following docum...
- Question 49: Select all true statements about the update operation. (sele...
- Question 50: Which of the following read preference options may not resul...
- Question 51: Select all true statements regarding to replication in Mongo...
- Question 52: You have the following configuration file: net: bindIp: loca...
- Question 53: How to connect to mongod instance and authenticate as root?...
- Question 54: In your database there is a movies collection with the follo...
- Question 55: You have the following index in a movies collection: { "titl...
- Question 56: A collection called players contains documents with the foll...
- Question 57: We have the following index in a movies collection: { title:...
- Question 58: Which of the following roles provides the same read-only pri...
- Question 59: Suppose you have a mobile_games collection with the followin...
- Question 60: Assign typical operational tasks to the Database Administrat...
- Question 61: Which of the following roles provides minimal privileges nee...
- Question 62: Given a companies collection where each document has the fol...
- Question 63: Select all true statements about MongoDB documents....
- Question 64: Given the following example document from an artists collect...
- Question 65: Select true statements about data modeling in MongoDB....
- Question 66: Given a movies collection where each document has the follow...
- Question 67: What is the built-in database called admin in MongoDB for?...
- Question 68: Suppose you have a reviews collection in your database and y...
- Question 69: Which of the following scenarios is best suited for applying...
- Question 70: Consider the following command: $ mongod --dbpath /data/db -...
- Question 71: What is a document in MongoDB?
- Question 72: Suppose we have a products collection with the following fie...
- Question 73: Select all true statements about one-to-zillions relationshi...
- Question 74: Which of the following commands can you use to exports data ...
- Question 75: Suppose you have a developers collection with only two docum...
- Question 76: Suppose you have a mobile_games collection with the followin...
- Question 77: Given the following example document from an artists collect...
- Question 78: There is a gamers collection in your database with the follo...
- Question 79: We have a movies collection with the following document stru...
- Question 80: Given a movies collection where each document has the follow...
- Question 81: Select true statements about shard keys....
- Question 82: Given a movies collection where each document has the follow...
- Question 83: Suppose you have a sales collection with the following docum...
- Question 84: Select all true statements regarding to pipelines and the Ag...
- Question 85: We have a restaurants collection with the following document...
- Question 86: Suppose you have a developers collection with the following ...
- Question 87: A collection called players contains the following documents...
