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| Certification Vendor: | MongoDB |
|---|---|
| Exam Name: | MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) |
| Exam Number: | C100DBA |
| Real Exam Qty: | 60-66 |
| Related Certifications: | MongoDB Certified Professional DBA MongoDB Certified Developer Associate |
| Exam Price: | $150 USD |
| Certificate Validity Period: | 3 years |
| Exam Format: | Scenario-based questions, Multiple choice, Multiple select |
| Available Languages: | English |
| Exam Duration: | 90 minutes |
| Passing Score: | 65% |
| Recommended Training: | M310: MongoDB Security M103: Basic Cluster Administration M201: MongoDB Performance M001: MongoDB Basics |
| 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 is the next step in the MongoDB certification process. It is used to get access to your database. Adjust your documents in a MongoDB database. Ram, which is the most important certification in MongoDB C100DBA. It gives you an opportunity to test your skills on working with MongoDB environment. This is the only entry-level certification available for MongoDB. Day that is given for this certification exam. It is the easiest way to get access to your database. The second step of MongoDB C100DBA certification process is where you have to get a job on an organization. MongoDB C100DBA Dumps to prepare for this certification exam. Business days to take the exam. It is to be noted that you cannot cancel or reschedule the date and there is no option for it. Update and edit documents in a MongoDB database. Correct way to ensure the security and privacy of the data. Availability expected for MongoDB Certified Developer, which is the most important option for certification preparation. Find the documents and examine them. Build and configure a database cluster. Correct way to ensure the security and privacy of the data. Accessing your MongoDB database to external users. Connections and their configurations in MongoDB.
MongoDB C100DBA Certification Exam is based on MongoDB 4.4, the latest version of MongoDB. C100DBA exam tests candidates on various aspects of MongoDB database administration, including installation and configuration, data management, security, performance optimization, backup and recovery, and monitoring and troubleshooting.
NEW QUESTION # 27
What is the output of following two commands in MongoDB: db. posts. insert({n_id":l}) db.posts.insert({"_id":l})
Answer: C
NEW QUESTION # 28
What command adds a document to the class101 collection where the student is " Randall " and the student passed the class?
Answer: A
Explanation:
db.collection.insertOne() inserts one BSON document into a collection. In mongosh, string values must be quoted and Boolean literals use JavaScript syntax: lowercase true or false. Therefore the student ' s name must appear as " Randall " , and the passed flag must be true. Option D is the only choice that gets both value types correct. Option A quotes the string properly but uses True, which is not the JavaScript Boolean literal.
Options B and C leave Randall unquoted, so mongosh would interpret it as an identifier or variable rather than as the literal string required by the document. Option C additionally uses the invalid capitalized Boolean form.
If an _id field is omitted, MongoDB automatically adds a unique _id, typically an ObjectId, before storing the document. That behavior does not affect the two requested fields. This question tests both CRUD syntax and the BSON/JavaScript literal representation used by mongosh. The correct command is db.class101.insertOne ({ student: " Randall " , passed: true }), so option D is correct.
Study Guide reference/topic:MongoDB Architecture and Core Operations - insertOne(), BSON values, strings, Booleans, and automatic _id.
NEW QUESTION # 29
Which of the following commands finds all the documents in the posts collection with post timestamp field as null?
Answer: D
NEW QUESTION # 30
Which TWO commands can be used to remove the role, " specialRole " from " user1 " ?
Answer: B,C
Explanation:
The documented mongosh helper is db.revokeRolesFromUser(), and its second argument is an array of roles to revoke. MongoDB permits each role in that array to be expressed either as an explicit document { role: < roleName > , db: < database > } or, when the role belongs to the database in which the command is run, as a simple role-name string. Option C uses the explicit role-document form and is therefore valid for a role named specialRole defined in myDB. Option E uses the shorthand string form and is valid when specialRole is in the current database context. Option A reverses the required document structure and does not supply the mandatory role and db keys. Options B and D use a singular helper, db.revokeRoleFromUser(), which is not the documented MongoDB method. The plural method name reflects that multiple roles can be revoked in a single operation. Administrators should also remember that revoking a directly assigned role does not necessarily remove privileges inherited through other roles. Among the choices, C and E are the syntactically valid revocation forms.
Study Guide reference/topic:Security, Networking, and Encryption - RBAC, user administration, and revokeRolesFromUser().
NEW QUESTION # 31
What read preference should your application use if you want to read from the primary under normal circumstances but allow reads from secondaries when a primary is unavailable?
Answer: E
NEW QUESTION # 32
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