C100DBA試験問題集合格させるのは2023年最新の認証済み試験問題
C100DBA試験問題でリアルに更新された問題PDF
MongoDB C100DBA試験は、MongoDBの専門知識を証明したいデータベース管理者向けの認定プログラムです。この試験はMongoDB 4.4の最新バージョンに基づいており、MongoDB DBAの経験を持つ個人を対象としています。この試験では、データベース設計、データモデリング、展開、スケーリング、レプリケーション、セキュリティなどのトピックがカバーされます。
質問 # 43
To add a new user and enable authentication in MongoDB, which of the following steps need be executed?
- A. update users collection and restart mongodb with -auth option
- B. update users collection and restart mongodb
- C. All of the above
- D. update users collection and run db.enableAuthenticationQ
正解：A
質問 # 44
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: ^L^ } } } )
- A. Returns the complete document but retrieves only the size field from the array and also with only one element in the variations array (corresponding to size L)
- B. Returns the complete document but retrieves only the size field from the array
- C. Returns the document but with only one element in the variations array (corresponding to size L)
- D. Returns the complete document since MongoDB does not support partial array retrieval
正解：C
質問 # 45
In a sharded replicas set environment with multiple mongos servers, which of the following would decide the mongos failover?
- A. mongod
- B. mongos
- C. individual language drivers
- D. mongo shell
正解：C
質問 # 46
You perform the following query on the sayings collection, which has the index
{ quote : "text" }:
Assuming the documents below are in the collection, which ones will the following query return? Check all that apply.
db.sayings.find( { $text : { $search : "fact find" } } )
- A. { _id : 1, quote : "That's a fact, Jack." }
- B. { _id : 3, quote : "Nobody will ever catch me." }
- C. { _id : 2, quote : "Find out if that fact is correct." }
正解：A、C
質問 # 47
Below is a sample document of "orders" collection
正解：
解説：
$sort
質問 # 48
Which of the following needs to be performed prior to initiate backup on a sharded cluster?
- A. db.stopBalancer( )
- B. sh.stopBalancer( )
- C. db.stopServer( )
- D. sh.stopServer( )
正解：B
質問 # 49
You have designed a web application with mongoDB. You have configured replication. The replica set is in place and function properly. What happens in case of failure?
- A. Failover needs to be done manually
- B. Switchover happens automatically
- C. Failover happens automatically
- D. Switchover needs to be done manually
正解：C
質問 # 50
Consider that you have a collection called population which has fields state and city. Which of the following query will calculate the population grouped by state and city?
- A. db.population.aggregate( [{ $group: { _id: { state: Estate", city: n$city" },pop: { $sum: "$pop" } } }] )
- B. db.population.aggregate( [{ $group: { _id: { state: "$state", city; "$city" },pop: { $sum: 1 > > >] )
- C. db.population.aggregate( [{ $group: { _id: { state: Estate", city: "$city" },pop: { $pop: 1 } } }] )
- D. db.population.aggregate( [{ $group: { _id: { city: "$city" },pop: { $sum: "$pop" } } }] )Multi Document Transaction is not supported by MongoDB
正解：A
質問 # 51
JSON stands for
- A. JavaScript Object Naming
- B. None of the above
- C. JavaScript Object Notice
- D. JavaScript Object Notation
正解：D
質問 # 52
Which of the following operator can be used to limit the number of documents in an array field of a document after an update is performed?
- A. $push along with $each, $sort and $slice
- B. $removeFromSet
- C. $arrayLimit
- D. None of the above
正解：A
質問 # 53
What is the output of the following program?
- A. 60 s
- B. 100 s
- C. 100 ms
- D. 1s
正解：A
質問 # 54
Which of the following operator can be used to control the number of items of an array that a query returns?
- A. $ elemMatch
- B. $slice
- C. $
- D. MongoDB does not support partial retrieval of items from an array
正解：B
質問 # 55
In a replica set, a_________number of members ensures that the replica set is always able to select a primary.
- A. 0
- B. Depends on the application architecture
- C. Even
- D. Odd
正解：D
質問 # 56
What is the first task that a secondary would perform on being prompted by another secondary for an election?
- A. Start the election process for primary
- B. Vote for the first secondary so that it would become the next primary
- C. Vote for itself and then call for election
- D. Connect to primary to confirm its availability
正解：D
質問 # 57
Consider that you have a collection called population which has fields state and city. Which of the following query will calculate the population grouped by state and city?
- A. db.population.aggregate( [{ $group: { _id: { state: Estate", city: "$city" },pop: { $sum: "$pop" } } }] )
- B. db.population.aggregate( [{ $group: { _id: { state: "$state", city: "$city" },pop: { $pop: 1 } } }] )
- C. db.population.aggregate( [{ $group: { _id: { state: Estate", city: "$city" },pop: { $sum: 1 > > >] )
- D. db.population.aggregate( [{ $group: { _id: { city: "$city" },pop: { $sum: "$pop" } } }] )Multi Document Transaction is not supported by MongoDB
正解：A
質問 # 58
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 sixth document five times
- C. Skips the first five documents and returns the next five
- D. Limits the first five documents and then return them in reverse order
正解：C
質問 # 59
Mongodb does provide high availability via which option?
- A. Journaling
- B. Replication
- C. Indexing
- D. Sharding
正解：B
質問 # 60
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MongoDB認定DBAアソシエイト試験（C100DBA）は、このデータベースの最新バージョンであるMongoDB 4.4に基づいています。この試験は、インストール、構成、セキュリティ、パフォーマンスチューニング、バックアップ、リカバリなど、データベース管理のさまざまな分野の専門家のスキルと知識をテストするように設計されています。この試験は、複数選択の質問で構成され、90分間続きます。
MongoDB C100DBA試験に合格することは、MongoDB管理の専門知識を示すことを目指す人々にとって、大きな成果です。この認定は、雇用主に認められ、個人のキャリアを前進させることができます。さらに、MongoDB認定DBAは、プライベートLinkedInグループやMongoDBイベントへの参加のような、独占的なリソースにアクセスすることができます。
合格させる保証付き無料クイズ2023年最新の実際に出ると確認されたMongoDB：https://www.goshiken.com/MongoDB/C100DBA-mondaishu.html
無料MongoDB Certified DBA Associate C100DBA究極の学習ガイド：https://drive.google.com/open?id=1FRs6oi5YJZGTyC5DyZ2vtyOw1PW_dqeF