信頼できるC100DBA関連合格問題 |素晴らしい合格率のC100DBA Exam |優秀なC100DBA: MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4)

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MongoDB C100DBA Exam Syllabus Topics:

SectionObjectives
Topic 1: Replication- Replica Sets
  • 1. Elections
  • 2. Read Preferences
  • 3. Primary and Secondary Nodes
  • 4. Write Concerns
Topic 2: Philosophy and Features- MongoDB Architecture
  • 1. Document Model
  • 2. Collections and Databases
  • 3. Scalability Concepts
  • 4. High Availability Concepts
Topic 3: CRUD Operations- Data Manipulation
  • 1. Delete Operations
  • 2. Insert Operations
  • 3. Read Queries
  • 4. Update Operations
Topic 4: Server Administration- Database Operations
  • 1. Configuration Management
  • 2. Storage Management
  • 3. Monitoring
  • 4. Backup and Restore
Topic 5: Sharding- Cluster Scaling
  • 1. Shard Keys
  • 2. Balancer Operations
  • 3. Chunk Distribution
  • 4. Query Routing
Topic 6: Indexes- Index Management
  • 1. Query Performance Optimization
  • 2. Single Field Indexes
  • 3. Index Selection
  • 4. Compound Indexes
Topic 7: Application Administration- Security and Access Control
  • 1. Authorization
  • 2. User Management
  • 3. Role-Based Access Control
  • 4. Authentication

>> C100DBA関連合格問題 <<

試験の準備方法-完璧なC100DBA関連合格問題試験-一番優秀なC100DBA合格資料

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MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) 認定 C100DBA 試験問題 (Q38-Q43):

質問 # 38
What mongosh command connects to node-1.cluster1.mycompany.local on port 27017?

正解：D

解説：
mongosh accepts a MongoDB host address in hostname:port form, so mongosh " node-1.cluster1.mycompany.
local:27017 " is the valid choice among the commands shown. A canonical URI form such as mongosh " mongodb://node-1.cluster1.mycompany.local:27017 " is also valid, and the connection can alternatively be expressed using --host together with --port. Option A uses an unsupported --hostname switch rather than the documented --host option. Option B invents a --connect flag that is not the standard mongosh interface.
Option C constructs an invalid string using an ampersand-style parameter rather than a MongoDB URI or a normal host:port target. Port 27017 is MongoDB ' s default server port, so it could often be omitted if the deployment uses the default, but explicitly including it is valid and removes ambiguity. In authenticated or TLS-enabled environments, the DBA would also supply credentials, authentication database, certificate settings, or a connection string carrying those parameters. For the simple host-and-port requirement in the question, option D is correct.
Study Guide reference/topic:Security, Networking, and Encryption - mongosh connectivity, host/port addressing, and connection options.


質問 # 39
Below is a sample document of " orders " collection

正解：

解説：
$sort


質問 # 40
What is the maximum size of a MongoDB document

正解：D


質問 # 41
Which of the following are common uses of the mongo shell? Check all that apply

正解：A、B


質問 # 42
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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