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MongoDB C100DBA Exam Syllabus Topics:

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

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Free MongoDB C100DBA Dumps to prepare for the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) C100DBA exam is a great way to gauge your progress in preparation. You can also check your progress with the help of evaluation reports. These reports will help you know where you stand in your preparation and boost your confidence.

MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) Sample Questions (Q170-Q175):

NEW QUESTION # 170
The difference between $push and $addToSet is:

A. There is no major difference between them. $addToSet is a deprecated version of $push.
B. $addToSet adds the item to the field only if the new item is of the same datatype
C. $addToSet adds the item to the field only if it does not exist already; while $push pushes the item to the field irrespective of whether it was present or not
D. $addToSet needs the fields to be already present while $push will work even if the field is not present

Answer: C

NEW QUESTION # 171
Consider the following document from the products collection:

What does the following query using $elemMatch return? db.products.find( { product_code: " 345678 " }, { variations: { $elemMatch: { size:

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