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MongoDB C100DBA Exam Overview:

Certification Vendor:	MongoDB
Exam Name:	MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4)
Exam Number:	C100DBA
Available Languages:	English
Exam Duration:	90 minutes
Related Certifications:	MongoDB Certified Developer Associate
Real Exam Qty:	60-66
Exam Price:	$150 USD
Certificate Validity Period:	Not officially specified
Passing Score:	490/600
Exam Format:	Multiple Response, Multiple Choice
Sample Questions:	MongoDB C100DBA Sample Questions
Exam Way:	Online proctored or authorized testing center
Pre Condition:	Recommended knowledge of fundamental database concepts, basic system administration, and basic JavaScript. No mandatory prerequisite exam.
Official Syllabus URL:	https://learn.mongodb.com/pages/mongodb-associate-database-administrator-exam

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You must improve your skills and knowledge to stay current and competitive. You merely need to obtain the C100DBA certification exam badge in order to achieve this. You must pass the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) (C100DBA) exam to accomplish this, which can only be done with thorough exam preparation. Download the MongoDB C100DBA Exam Questions right away for immediate and thorough exam preparation. We have thousands of satisfied customers around the globe so you can freely join your journey for the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) (C100DBA) certification exam with us.

The C100DBA Exam consists of 60 multiple-choice questions, which must be completed within 90 minutes. C100DBA exam is available in multiple languages, including English, Japanese, and Simplified Chinese. Candidates can take the exam at a testing center or online, depending on their preference and location.

MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) Sample Questions (Q137-Q142):

NEW QUESTION # 137
Which of the following command is used to get all the indexes on a collection?

A. db.showIndexes()
B. db.collection.findlndexes()
C. db.collection.showIndexes()
D. db.collection.getlndexesQ

Answer: D

NEW QUESTION # 138
What does the following aggregate query perform?

A. Groups the posts by number of likes (101, 102, 103.) by adding 1 every time
B. Fetches the posts with likes between 100 and 200, sets the _id of the first document as null and then increments it 1 every time
C. Fetches the posts with likes between 100 and 200 and sets their _id as null
D. Calculates the number of posts with likes between 100 and 200

Answer: D

NEW QUESTION # 139
Consider that you have a collection called population which has fields state and city. Which of the following query will calculate the population grouped by state and city?

A. db.population.aggregate( [{ $group: { _id: { state: "$state", city: "$city" },pop: { $pop: 1 } } }] )
B. db.population.aggregate( [{ $group: { _id: { state: Estate", city: "$city" },pop: { $sum: 1 > > >] )
C. db.population.aggregate( [{ $group: { _id: { city: "$city" },pop: { $sum: "$pop" } } }] )Multi Document Transaction is not supported by MongoDB
D. db.population.aggregate( [{ $group: { _id: { state: Estate", city: "$city" },pop: { $sum: "$pop" } } }] )

Answer: D

NEW QUESTION # 140
What is the purpose of enabling TLS?

A. To automate backup and restore operations.
B. To ensure high availability of the database.
C. To improve query performance.
D. To provide encryption of data in transit.

Answer: D

Explanation:
Transport Layer Security protects MongoDB network communications while data travels between clients and servers and, when configured, between MongoDB deployment members. Its core purpose is therefore encryption of data in transit. TLS helps prevent passive interception and tampering and also supports certificate-based identity validation. It is separate from encryption at rest, which protects files on storage media, and separate from Queryable Encryption or client-side field encryption, which protects selected application data before it reaches the server. Option A is unrelated: backup and restore operations use snapshot, managed backup, or database-tool mechanisms. Option B describes the objective of replication, elections, and redundant deployment architecture, not TLS. Option C is also incorrect; TLS is a security control, not a query-optimization mechanism, and cryptographic processing can add some overhead rather than improving query execution. A secure MongoDB deployment normally combines TLS with strong authentication, least-privilege authorization, appropriate network exposure controls, auditing, and storage or field-level encryption as required. For the specific question, enabling TLS provides encryption for data moving across the network, making option D correct.
Study Guide reference/topic:Security, Networking, and Encryption - TLS/SSL, transport encryption, certificates, and network security.

NEW QUESTION # 141
Which of the following is incorrect statement about find and findOne operations in MongoDB?

A. findQ and findOneQ returns cursors to the collection documents
B. find.limit(l) is not the same query as findOne()
C. findQ returns all the documents in a collection while findOne() retrieves only the first one.
D. findOneQ returns the actual first document retrieved from a collection

Answer: A

NEW QUESTION # 142
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