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MongoDB C100DBA Exam Syllabus Topics:

Section	Objectives
Indexes	- Index Management 1. Index Selection 2. Query Performance Optimization 3. Compound Indexes 4. Single Field Indexes
Server Administration	- Database Operations 1. Monitoring 2. Backup and Restore 3. Configuration Management 4. Storage Management
CRUD Operations	- Data Manipulation 1. Read Queries 2. Update Operations 3. Delete Operations 4. Insert Operations
Philosophy and Features	- MongoDB Architecture 1. High Availability Concepts 2. Collections and Databases 3. Scalability Concepts 4. Document Model
Replication	- Replica Sets 1. Write Concerns 2. Elections 3. Read Preferences 4. Primary and Secondary Nodes
Sharding	- Cluster Scaling 1. Shard Keys 2. Query Routing 3. Chunk Distribution 4. Balancer Operations
Application Administration	- Security and Access Control 1. Authentication 2. User Management 3. Role-Based Access Control 4. Authorization

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Free PDF 2026 MongoDB C100DBA: MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) Pass-Sure Reliable Dumps Ebook

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MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) Sample Questions (Q157-Q162):

NEW QUESTION # 157
Which of the tags in a replica set configuration specify the operations to be read from the node with the least network latency?

A. primaryPreferred
B. netLatency
C. secondaryPreferred
D. nearest

Answer: D

NEW QUESTION # 158
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. 2
D. None of the above

Answer: C

NEW QUESTION # 159
Update If Correct is an approach for which of the following concepts in MongoDB:

A. Atomicity
B. Performance Management
C. Concurrency Control
D. Transaction Management

Answer: C

NEW QUESTION # 160
Consider a collection posts which has fields: Jd, post_text, post_author, post_timestamp, post_tags etc.
Which of the following query retrieves ONLY the key named post_text from the first document retrieved?

A. db.posts.finOne({},{_id:0, post_text:1})
B. db.posts.find({},{_id:Of post_text:1})
C. db.posts.findOne({post_text: 1})
D. db.posts.finOne({},{post_text:1})

Answer: A

NEW QUESTION # 161
Which of the documents below will be retrieved by the following query? Assume the documents are stored in a collection called " sample " . Check all that apply.
db.sample.find( { " $or " : [ { " a " : { " $in " : [ 3, 10] > }, { " b " : { " $lt " : 2 > > ] > )

A. { " .Jd " :: 2, " a " : 2, " c " :: 0, " b " : 1}
B. { " .Jd " :: 5, " a " : 3, " c " :: 0, " b " : 12}
C. { ' ' __id " :3, " a " : 4, " c " :0, " b " :14}
D. { ' ' \Jd " :9, " a " : 17, " c " : 1, " b " : 1}
E. { ' ' _Jd " :7, " a " : 8, " c " :1, " b " :7}
F. { \Jd " :10, " a " : 3, " c " : 1, " b " : 1}
G. { " .Jd " :: 8, " a " : 11, " c " : 1, " b " : 0}
H. { " .Jd " :: 1, " a " : 0, " c " :: 0, " b " : 2}
I. { " .Jd " :6, " a " : 1, " c " :1, " b " :5}
J. { " .Jd " :: 4, " a " : 5, " c " :: 0, " b " : 17}

Answer: A,B,D,F,G

NEW QUESTION # 162
......

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