MongoDB Certified DBA Associate Exam C100DBA Practice Questions | Killtest 2021
Be a MongoDB Certified to improve your IT opportunity. Most candidates are here to ask for the study materials to practice and prepare for C100DBA MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) certification exam. MongoDB Certified DBA Associate Exam C100DBA Practice Questions from Killtest are written by the professional team, who spent a lot time and energy in actual MongoDB C100DBA exam. The aim of supporing Killtest MongoDB Certified DBA Associate Exam C100DBA Practice Questions is helping you pass C100DBA exam in the first attempt.
There Are Two MongoDB Certification Exams Currently
Based on the introduction, MongoDB is a free, open source cross-platform database management system (DBMS) that qualifies as a NoSQL player. Currently, there are two MongoDB certification exams.
C100DEV MongoDB Certified Developer Associate Exam
The MongoDB Certified Developer, Associate Level exam, C100DEV MongoDB Certified Developer Associate Exam is intended for individuals with knowledge of the fundamentals of designing and building applications using MongoDB. This certification will be recommended for software engineers who have a solid understanding of MongoDB fundamentals and some professional experience developing applications with MongoDB.
C100DBA MongoDB Certified DBA Associate Exam
The MongoDB Certified DBA Associate Level Exam, C100DBA MongoDB Certified DBA Associate Exam is for administrators with knowledge of the concepts and mechanics of MongoDB. This certification is recommended for operations professionals who know the fundamentals and have some professional experience administering MongoDB.
Benefits of getting MongoDB Certified DBA Associate Certified
Getting MongoDB Certified DBA Associate certified can help you get benefits as below:
Increase the Value of Your Skills: MongoDB ranks as one of the hottest job trends and one of the most highly compensated technology skills.
Get Hired or Promoted: Increase your visibility among hiring managers and recruiters.
Demonstrate Professional Credibility: Foster credibility with your employer and peers in the developer and operations communities.
Additionally, when you get start to prepare for C100DBA MongoDB Certified DBA Associate Exam, you are required to have the MongoDB knowledge:
Killtest MongoDB Certified DBA Associate Exam C100DBA Practice Questions Are Required For Preparation
Killtest MongoDB Certified DBA Associate Exam C100DBA Practice Questions are required for preparation. All the practice exam questions and answers are based on the C100DBA exam topics and objectves. You can check C100DBA free demo questions online for checking:
Which features of relational database management systems were deliberately omitted in MongoDB and help us to obtain horizontal scalability? Check all that apply.
A. Multi-statement transactions
B. Joins
C. Authentication
Answer: A,B
The following aggregation option is used to specify the specific fields that needs to be passed to the next stage of the aggregation pipeline:
A. $project
B. $aggregate
C. $match
D. $group
Answer: A
In a collection that contains 100 post documents, what does the following command do? db. posts. find().skip(5).limit(5)
A. Skip and limit nullify each other. Hence returning the first five documents.
B. Skips the first five documents and returns the next five
C. Limits the first five documents and then return them in reverse order
D. Skips the first five documents and returns the sixth document five times
Answer: B
CORRECT TEXT
What tool do you use to see if you have a problem in the consumption of disk I / 0?
Answer: Mongoperf
Which of the following is supported by MongoDB?
A. Transaction Management
B. ACID Transactions
C. Journaling
D. Relationships between Collections (Primary Key Foreign Key)
Answer: C
The MongoDB explain() method does not support which of the following verbosity mode:
A. executionStats
B. queryPlanner
C. customExecutionStats
D. allPlansExecution
Answer: A
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.findOne({post_text: 1})
C. db.posts.find({},{_id:Of post_text:1})
D. db.posts.finOne?},{post_text:l})
Answer: A
In a sharded replica set environment, the w Option provides ability for write concern and j Option provides ability for the data to be written on disk journal. Consider that we have a seven member replica set and we want to assure that the writes are committed to journal.
What should be the value of j?
A. 1
B. 2
C. 0
D. 7
Answer: B
Aggregation Pipelines have a limit of:
A. 2 MB document and 100 MB RAM
B. 16 MB document and 100 MB RAM
C. No limit on document and 100 MB RAM
D. 2 MB document and no limit on RAM
Answer: B
What is the maximum size of a MongoDB document?
A. 2 MB
B. 12 MB
C. There is no maximum size. It depends on the RAM.
D. 16 MB
Answer: D