Amazon CLF-C01 Online Practice Questions and Exam Preparation

Amazon CLF-C01 Online Questions & Answers

• Question 181:

  A company's IT team is managing MySQL database server clusters. The IT team has to patch the database and take backup snapshots of the data in the clusters. The company wants to move this workload to AWS so that these tasks will be

  completed automatically.

  What should the company do to meet these requirements?

  A. Deploy MySQL database server clusters on Amazon EC2 instances.
  B. Use Amazon RDS with a MySQL database.
  C. Use an AWS CloudFormation template to deploy MySQL database servers on Amazon EC2 instances.
  D. Migrate all the MySQL database data to Amazon S3.
  B. Use Amazon RDS with a MySQL database.

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  Explanation/Reference:

  Secret here is the company wants to automate this repetitive tasks, AWS RDS is a relational database server that automatically updates the SQL database so you just worry about the data. (Serverless)

• Question 182:

  A company has performance and regulatory requirements that call for it to run its workload only in its on- premises data center

  Which AWS services or resources should the company use? (Select TWO )

  A. Amazon Pinpoint
  B. Amazon WorkLink
  C. AWS Outposts
  D. AWS Snowball Edge
  E. AWS AppSync
  B. Amazon WorkLink
  C. AWS Outposts

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  Explanation/Reference:

  Reference: https://aws.amazon.com/worklink/ https://aws.amazon.com/outposts/

• Question 183:

  A company has a 500 TB image repository that needs to be transported to AWS for processing. Which AWS service can import this data MOST cost-effectively?

  A. AWS Snowball
  B. AWS Direct Connect
  C. AWS VPN
  D. Amazon S3
  D. Amazon S3

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  Explanation/Reference:

  Reference: https://aws.amazon.com/blogs/storage/migrating-hundreds-of-tb-of-data-to-amazon-s3-with-aws-datasync/

• Question 184:

  A developer is building a serverless application that is based on AWS Lambda. The developer initializes the AWS software development kit (SDK) outside of the Lambda handler function. What is the PRIMARY benefit of this action?

  A. Improves legibility and stylistic convention
  B. Takes advantage of runtime environment reuse
  C. Provides better error handling
  D. Creates a new SDK instance for each invocation
  B. Takes advantage of runtime environment reuse

• Question 185:

  Which AWS service is an in-memory data store service?

  A. Amazon Aurora
  B. Amazon RDS
  C. Amazon DynamoDB
  D. Amazon ElastiCache
  D. Amazon ElastiCache

• Question 186:

  A company has distributed its workload on both the AWS Cloud and some on-premises servers. What type of architecture is this?

  A. Virtual private network
  B. Virtual private cloud
  C. Hybrid cloud
  D. Private cloud
  C. Hybrid cloud

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  Explanation/Reference:

  Reference: https://aws.amazon.com/hybrid/

• Question 187:

  A company's compliance officer wants to review the AWS Service Organization Control (SOC) reports. Which AWS service or feature should the compliance officer use to complete this task?

  A. AWS Artifact
  B. AWS Concierge Support
  C. AWS Support
  D. AWS Trusted Advisor
  A. AWS Artifact

• Question 188:

  What is the recommended use case for Amazon EC2 On-Demand Instances?

  A. A steady-state workload that requires a particular EC2 instance configuration for a long period of time
  B. A workload that can be interrupted for a project that requires the lowest possible cost
  C. An unpredictable workload that does not require a long-term commitment
  D. A workload that is expected to run for longer than 1 year
  C. An unpredictable workload that does not require a long-term commitment

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  Explanation/Reference:

  On-Demand: This is the default, pay as you go pricing model. When you use resources (for example, EC2 instances or services such as DynamoDB on demand) you pay a flat rate, and you have no long-term commitments. You can increase or decrease the capacity of your resources or services based on the demands of your application. On-Demand has an hourly rate, but depending on the service, can be billed in increments of 1 second (for example Amazon RDS, or Linux EC2 instances). On demand is recommended for applications with short-term workloads (for example, a four-month project), that spike periodically, or unpredictable workloads that can't be interrupted. On demand is also suitable for workloads, such as pre-production environments, which require uninterrupted runtimes, but do not run long enough for a commitment discount (Savings Plans or Reserved Instances).

• Question 189:

  What is a characteristic of Amazon S3 cross-region replication?

  A. Both source and destination S3 buckets must have versioning disabled
  B. The source and destination S3 buckets cannot be in different AWS Regions
  C. S3 buckets configured for cross-region replication can be owned by a single AWS account or by different accounts
  D. The source S3 bucket owner must have the source and destination AWS Regions disabled for their account
  C. S3 buckets configured for cross-region replication can be owned by a single AWS account or by different accounts

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  Explanation/Reference:

  Reference: https://docs.aws.amazon.com/AmazonS3/latest/dev/replication.html

• Question 190:

  Which option is the default pricing model for Amazon EC2 instances?

  A. On-Demand Instances
  B. Savings Plans
  C. Spot instances
  D. Reserved Instances
  A. On-Demand Instances

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  Explanation/Reference:

  A. On-demand instances

  In addition, EC2 On-Demand pricing is available for all Availability Zones (AZs), Regions, and operating systems (Linux, Windows, and RedHat Enterprise Limited Edition (RHEL)).

  This is also the default pricing for EC2 instances and offers the most flexibility. The tradeoff is that On- Demand pricing is more expensive than other EC2 pricing methods, as you'll notice below.

  Also, On-Demand pricing is highly variable and depends on your choice of region/availability zone, OS, instance type, and instance size.