C100DBA Exam Dumps - MongoDB Certified DBA Associate Exam
January 25,2021
MongoDB Certified DBA Associate Level Exam is for administrators with knowledge of the concepts and mechanics of MongoDB. We recommend this certification for operations professionals who know the fundamentals and have some professional experience administering MongoDB. Passcert new cracked C100DBA Exam Dumps which cover all of the key points and the newest question types in the C100DBA exam, C100DBA Exam Dumps offer you the real exam simulation, which helps you to familiarize with actual exam contents, that how your knowledge will be tested and what would be the exam pattern. The C100DBA Exam Dumps are good to boost up your confidence level.
Exam Format & Grading:
MongoDB certification exams are delivered online using a web proctoring solution.
You have 90 minutes to complete an exam.
Exam question types are multiple choice and check all that apply.
There is no penalty for incorrect answers.
What are the Benefits?
Rewards Badge
Increase the Value of Your Skills
MongoDB ranks as one of the hottest job trends and one of the most highly compensated technology skills.
Travel Bag
Get Hired or Promoted
Increase your visibility among hiring managers and recruiters.
User Programming
Demonstrate Professional Credibility
Foster credibility with your employer and peers in the developer and operations communities.
Required MongoDB Knowledge
Philosophy & Features: performance, JSON, BSON, fault tolerance, disaster recovery, horizontal scaling, and the Mongo shell
CRUD: Create, Read, Update, and Delete operations
Indexing: single key, compound, multi-key, mechanics, and performance
Replication: configuration, oplog concepts, write concern, elections, failover, and deployment to multiple data centers
Sharding: components, when to shard, balancing, shard keys, and hashed shard keys
Application Administration: data files, journaling, authentication, and authorization
Server Administration: performance analysis, storage engines, diagnostics and debugging, maintenance, backup, and recovery
Required General IT Knowledge
Fundamental database concepts
Fundamentals of system programming
Basic JavaScript programming
Share MongoDB Certified DBA Associate Exam C100DBA Sample Questions
1. Which of the following node is used during election in a replication cluster?
A. primary
B. arbiter
C. hidden
D. secondary
Answer: B
2. The________operator can be used to identify an element in the array to be updated without explicitly specifying the position of the element.
A. Updating an array field without knowing its index is not possible.
B. $ elemMatch
C. $slice
D. $
Answer: D
3. Which option should be used to update all the documents with the specified condition in the MongoDB query?
A. updateAII instead of update
B. specify {all: true} as the third parameter of update command
C. specify {updateAII: true} as the third parameter of update command
D. specify {multi : true} as the third parameter of update command
Answer: D
4. What tool would you use if you want to save a gif file in mongo?
Answer: mongofile
5. What does the totalKeysExamined field returned by the explain method indicate?
A. Number of documents that match the query condition
B. Number of index entries scanned
C. Number of documents scanned
D. Details the completed execution of the winning plan as a tree of stages
Answer: B
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