MongoDB C100DBA New Study Plan, Questions C100DBA Exam

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The C100DBA exam is an online, proctored exam that consists of 60 multiple-choice questions. Candidates have 90 minutes to complete the exam and must achieve a score of at least 65% to pass. C100DBA Exam is available in English, Japanese, Simplified Chinese, and Traditional Chinese.

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In this Desktop-based MongoDB C100DBA practice exam software, you will enjoy the opportunity to self-exam your preparation. The chance to customize the MongoDB C100DBA practice exams according to the time and types of MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) (C100DBA) practice test questions will contribute to your ease. This format operates only on Windows-based devices. But what is helpful is that it functions without an active internet connection. It copies the exact pattern and style of the real MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) (C100DBA) exam to make your preparation productive and relevant.

Best Time To Take The Exam

If this exam has been objective 10 then there was no best time to take it. Environment - If you are taking this exam for the first time, the best time to take it will be after you have completed all your Java training courses. Architecture - If you are taking this exam for the second time, the best time to take it will be after you have completed all your Java training courses. Exam environment and architecture are exactly like the Java certification exam. Expect between 60 and 85 questions in each exam cycle.

MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) Sample Questions (Q127-Q132):

NEW QUESTION # 127
Which TWO methods should an administrator use to create a backup of a MongoDB replica set?

A. Utilize the bsondump utility to create a backup.
B. Utilize Filesystem Snapshots to create a backup.
C. Utilize the mongoexport utility to create a backup.
D. Utilize the mongodump utility to create a backup.
E. Utilize the mongofiles utility to create a backup.

Answer: B,D

Explanation:
Filesystem snapshots and mongodump are both recognized approaches for backing up self-managed MongoDB deployments, including replica sets. Filesystem snapshots capture the storage volume at a point in time and can be very efficient for large deployments when the underlying storage platform provides consistent snapshot functionality. mongodump creates a logical BSON backup of database contents and supports replica- set-aware options; when writes continue during the dump, oplog capture can be used to support a consistent restore point. The other tools serve different purposes. mongoexport exports collection data to JSON or CSV for interchange or reporting but is not a full-fidelity database backup solution. mongofiles manages content stored in GridFS rather than backing up the database. bsondump reads BSON dump files and renders their contents in a human-readable form; it does not create the original database backup. A sound production strategy also includes restore testing, retention policies, off-site copies, and recovery-point/recovery-time objectives. For the specific choices offered, the two valid backup methods are filesystem snapshots and mongodump, so C and E are correct.
Study Guide reference/topic:Cluster Reliability and Data Resilience - backup strategies, filesystem snapshots, mongodump, and restore planning.

NEW QUESTION # 128
Given a collection posts as shown below having a document array comments, which of the following command will create an index on the comment author descending?

A. db.posts.createIndex({comments.author":-l});
B. db.posts.createIndex({comments.$.author": {$desc:l>});
C. db.posts.createIndex({commerits.$.author":-l});

Answer: A

NEW QUESTION # 129
Consider that our posts collection contains an array field called tags that contains tags that the user enters. {

Which of the following commands will find all the posts that have been tagged as tutorial.

A. db.posts.findInArray( { tags : "tutorial" > );
B. db.posts.find( { tags : "tutorial" } );
C. db.posts.find( { tags : ["tutorial"] } );
D. db.posts.find( { $array : {tags: "tutorial") > );

Answer: B

NEW QUESTION # 130
You perform the following operation in the shell: db.foo.insert( { } ); What gets inserted?

A. No document will be inserted; an error will be raised
B. A document will be inserted with the same _id as the last document inserted
C. A document with an _id assigned to be an Objectld
D. An empty document
E. A document that matches the collection's existing schema, but with null fields

Answer: C

NEW QUESTION # 131
What is the replication factor for a replicated cluster with 1 primary, 3 secondaries with one of them hidden. The set also has an arbiter?

A. 0
B. 1
C. None of the above
D. 2

Answer: D

NEW QUESTION # 132
......

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