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| Certification Vendor: | MongoDB |
|---|---|
| Exam Name: | MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) |
| Exam Number: | C100DBA |
| Exam Price: | $150 USD |
| Exam Format: | Multiple choice, Multiple select, Scenario-based questions |
| Passing Score: | 65% |
| Real Exam Qty: | 60-66 |
| Available Languages: | English |
| Certificate Validity Period: | 3 years |
| Related Certifications: | MongoDB Certified Developer Associate MongoDB Certified Professional DBA |
| Exam Duration: | 90 minutes |
| Recommended Training: | M001: MongoDB Basics M103: Basic Cluster Administration M201: MongoDB Performance M310: MongoDB Security |
| Exam Registration: | MongoDB University Certification Portal |
| Sample Questions: | MongoDB C100DBA Sample Questions |
| Exam Way: | Online proctored exam, taken remotely via secure browser |
| Pre Condition: | No mandatory prerequisites; basic knowledge of MongoDB and database administration recommended |
| Official Syllabus URL: | https://learn.mongodb.com/pages/mongodb-associate-database-administrator-exam |
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This certification exam can be taken at the test center or online.
MongoDB C100DBA certification exam is designed to test the proficiency of candidates in various areas related to MongoDB database administration, including deployment, configuration, security, performance optimization, backup and recovery, and scaling. C100DBA exam consists of multiple-choice questions and requires a passing score of 75% or higher to obtain the certification. C100DBA exam is administered online and can be taken at any time from anywhere in the world.
The benefits of becoming a MongoDB Certified DBA Associate are numerous. Certified professionals gain recognition and credibility in the industry, which can lead to better job opportunities and higher salaries. Certification also helps individuals demonstrate their commitment to ongoing learning and professional development. Additionally, certified professionals gain access to MongoDB's exclusive community and resources, which can help them stay up-to-date on the latest MongoDB trends and best practices.
NEW QUESTION # 152
Which of the following is a valid insert statement in mongodb? Select all valid.
Answer: B,D
NEW QUESTION # 153
Which of the following is true about sharding?
Answer: A
NEW QUESTION # 154
Which of the following operator can be used to control the number of items of an array that a query returns?
Answer: B
NEW QUESTION # 155
What command is used to grant a role " customRole1 " to an existing user called " user1 " ?
Answer: B
Explanation:
MongoDB provides db.grantRolesToUser() specifically for assigning one or more additional roles to an existing user. The method takes the username as its first argument and an array of roles as its second argument, so db.grantRolesToUser( " user1 " , [ " customRole1 " ]) is the correct choice. A role can be supplied as a simple string when it belongs to the current database or as an explicit document such as { role: " customRole1 " , db: " admin " } when the database context must be specified. Option B uses db.createUser(), which is used to create a new user rather than modify the role membership of an account that already exists.
Options A and C use method names that are not the documented mongosh interfaces for this operation.
Administrators should also distinguish grantRolesToUser() from grantRolesToRole(): the latter makes a user- defined role inherit other roles, whereas the former directly changes a user ' s assigned roles. Least-privilege practice requires granting only roles necessary for the user ' s responsibilities. For the requested update to the existing user, option D is correct.
Study Guide reference/topic:Security, Networking, and Encryption - user administration, role assignment, RBAC, and grantRolesToUser().
NEW QUESTION # 156
Consider that the posts collection contains an array called ratings which contains ratings given to the post by various users in the following format:
Which of the following query will return all the documents where the ratings array contains elements that in some combination satisfy the query conditions?
Answer: C
NEW QUESTION # 157
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