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Amazon DVA-C01 시험요강:

주제 소개
주제 1
  • Shared Security Responsibility Model, AWS Platform Compliance, AWS Security Attributes (Customer Workloads Down to Physical Layer)
주제 2
  • Designing and Developing, Identify the Appropriate Techniques to Code a Cloud Solution, Configure an Amazon Machine Image (AMI), Programming with AWS APIs
주제 3
  • Demonstrate Ability to Implement the Right Architecture for Development, Testing, and Staging Environments
주제 4
  • AWS Fundamentals
  • Identify and Recognize Cloud Architecture Considerations, Such as Fundamental Components and Effective Designs
주제 5
  • Database Service (RDS) vs. Installing Your Own Database on Amazon Elastic Compute Cloud (EC2))
주제 6
  • Deployment and Security
  • Recognize and Implement Secure Procedures for Optimum Cloud Deployment and Maintenance, Cloud Security Best Practices

최신 Amazon AWS Certified Associate DVA-C01 무료샘플문제 (Q605-Q610):

질문 # 605
Which of the following are valid arguments for an SNS Publish request? Choose 3 answers

  • A. Destination
  • B. Message
  • C. TopicAm
  • D. Format
  • E. Subject
  • F. Language

정답：B,C,E 설명：
Explanation
https://docs.aws.amazon.com/sns/latest/api/API_Publish.html
Message
MessageAttributes
MessageStructure
PhoneNumber
Subject
TargetArn
TopicArn
질문 # 606
A Developer is developing an application that manages financial transactions. To improve security, multi-factor authentication (MFA) will be required as part of the login protocol.
What services can the Developer use to meet these requirements?

  • A. AWS Directory Service
  • B. Amazon Cognito with MFA
  • C. AWS IAM with MFA enabled
  • D. Amazon DynamoDB to store MFA session data, and Amazon SNS to send MFA codes

정답：B 설명：
AWS documentation - Cognito MFA Managing Security
You can add multi-factor authentication (MFA) to a user pool to protect the identity of your users. MFA adds a second authentication method that doesn't rely solely on user name and password. You can choose to use SMS text messages, or time-based one-time (TOTP) passwords as second factors in signing in your users. You can also use adaptive authentication with its risk-based model to predict when you might need another authentication factor. It's part of the user pool advanced security features, which also include protections against compromised credentials.
질문 # 607
A Developer is writing an application that runs on Amazon EC2 instances in an Auto scaling group. The application data is stored in an Amazon DynamoDB table and records are constantly updated by all instances. An instance sometimes retrieves old data. The Developer wants to correct this by making sure the reads are strongly consistent.
How can the developer accomplish this?

  • A. Set consistency to strong when calling Update Table.
  • B. Set consistentRead to true when calling Getitem.
  • C. Create a new DynamoDB Accelerator (DAX) table.
  • D. Use the Getshardlterator command.

정답：B
질문 # 608
Which of the following are correct statements with policy evaluation logic in AWS Identity and Access Management? Choose 2 answers

  • A. By default, all request are allowed
  • B. By default, all requests are denied
  • C. An explicit allow overrides an explicit deny
  • D. An explicit allow overrides default deny.
  • E. An explicit deny does not override an explicit allow

정답：B,D
질문 # 609
When using a large Scan operation in DynamoDB, what technique can be used to minimize the impact of a scan on a table's provisioned throughput?

  • A. Set a smaller page size for the scan
  • B. Use parallel scans
  • C. Prewarm the table by updating all items
  • D. Define a range index on the table

정답：A 설명：
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/bp-query-scan.html
Because a Scan operation reads an entire page (by default, 1 MB), you can reduce the impact of the scan operation by setting a smaller page size. The Scan operation provides a Limit parameter that you can use to set the page size for your request. Each Scan or Query request that has a smaller page size uses fewer read operations and creates a "pause" between each request. For example, if each item is 4 KB and you set the page size to 40 items, then a Query request would consume only 40 strongly consistent read operations or 20 eventually consistent read operations. A larger number of smaller Scan or Query operations would allow your other critical requests to succeed without throttling.
질문 # 610
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