MongoDB C100DEV 考試概覽:

認證廠商:	MongoDB
考試名稱:	MongoDB 認證開發人員助理級考試
考試代碼:	C100DEV
實際考試題數:	53–60
相關認證:	MongoDB 認證資料庫管理員助理級 MongoDB 認證資料模型設計師助理級 MongoDB 認證 Atlas 管理員助理級
考試費用:	150 USD
考試時間:	75–90
及格分數:	70%
考試形式:	單選題, 多選題
支援語言:	English
範例考題:	MongoDB C100DEV 範例考題
考試方式:	線上監考測驗
必備條件:	無正式報考資格限制；建議具備 MongoDB 實作經驗
官方大綱網址:	https://learn.mongodb.com/pages/mongodb-associate-developer-exam

MongoDB C100DEV 考試大綱主題:

章節	目標
資料建模與結構設計	- 內嵌式與參考式設計模式之比較 - 結構彈性與演進調整
CRUD 操作與查詢語言	- 篩選、投影與查詢運算子 - 新增、讀取、更新、刪除操作
驅動程式與工具應用	- MongoDB Compass 等工具之使用 - 驅動程式連線基礎概念
聚合框架	- 管線階段與運算式 - 效能考量事項
索引與效能最佳化	- 查詢最佳化與執行計畫 - 索引類型與建立方式

最新的 MongoDB Certified Developer Associate C100DEV 免費考試真題：

1. What is the built-in database called config in MongoDB for?

A) The config database is used to store information about shards in shared MongoDB cluster.
B) The config database plays an important role in the authentication and authorization process. Certain actions performed by administrators also require access to this database.
C) The config database stores data describing the MongoDB server. For replica sets, it also stores information about the replication process.

2. Suppose you are connected to mongod instance that is already running on port 27000 as admin user. You have to create a new user for an application that has the readWrite role. Use the db.createUser() command to create a user for a CRUD application. The requirements for this user are: -> role: readWrite on esmartdata database -> username: esmart -> password: esmart123 Which command should you use?

A) db.createUser({ user: 'esmart', pwd: 'esmart123', roles: [{role: 'readWrite', db: ''}] })
B) db.createUser({ user: 'esmart', pwd: 'esmart123', roles: [{role: 'readWrite', db: 'esmartdata'}] })
C) db.createUser({ user: 'esmart', pwd: 'esmart123', roles: [{role: 'read', db: 'esmartdata'}] })
D) db.createUser({ user: 'esmart', pwd: 'esmart123', roles: [{role: 'read+write', db: 'esmartdata'}] })

3. Which of the following roles provides minimal privileges needed for backing up data in MongoDB?

A) restore
B) update
C) backup

4. There are some special databases in MongoDB that we cannot use to create a new database. Select those names.

A) users
B) config
C) local
D) admin
E) apps

5. Suppose you have an accounts collection with the following document structure: { _id: ObjectId("61af47c6e29861661d063714"), account_id: 1010, type: 'investment', limit: 1000000 }, { _id: ObjectId("61af47c6e29861661d063715"), account_id: 4336, type: 'derivatives', limit: 100000 }, { _id: ObjectId("61af47c6e29861661d063716"), account_id: 4336, type: 'commodity', limit: 1000 } Which of the following documents would be modified by this update? db.accounts.updateMany( { "type": "investment" }, { "$set": { "limit": 2000000 } } )

A) { _id: ObjectId("61af47c6e29861661d067825"), account_id: 7355, type: 'commodity', limit: 500000 }
B) { _id: ObjectId("61af47c6e29861661d063715"), account_id: 4336, type: 'derivatives', limit: 100000 }
C) { _id: ObjectId("61af47c6e29861661d063714"), account_id: 1010, type: 'investment', limit: 1000000 }
D) { _id: ObjectId("61b1bde1ceb6f770f56b0cd9"), account_id: 4915, type: 'investment', limit: 1000000 }

問題與答案：

問題 #1
答案： A

問題 #2
答案： B

問題 #3
答案： C

問題 #4
答案： B,C,D

問題 #5
答案： C,D