[2021-New] Amazon AWS-SysOps Dumps With Update Exam Questions (81-90)

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Q1. - (Topic 1)

When preparing for a compliance assessment of your system built inside of AWS. what are three best-practices for you to prepare for an audit?

Choose 3 answers

A. Gather evidence of your IT operational controls

B. Request and obtain applicable third-party audited AWS compliance reports and certifications

C. Request and obtain a compliance and security tour of an AWS data center for a pre-assessment security review

D. Request and obtain approval from AWS to perform relevant network scans and in-depth penetration tests of your system's Instances and endpoints

E. Schedule meetings with AWS's third-party auditors to provide evidence of AWS compliance that maps to your control objectives

Answer: A,B,D

Q2. - (Topic 3)

In order to optimize performance for a compute cluster that requires low inter-node latency, which feature in the following list should you use?

A. AWS Direct Connect

B. Placement Groups

C. VPC private subnets

D. EC2 Dedicated Instances

E. Multiple Availability Zones

Answer: D

Q3. - (Topic 1)

Which of the following statements about this S3 bucket policy is true?

A. Denies the server with the IP address 192 168 100 0 full access to the "mybucket" bucket

B. Denies the server with the IP address 192 168 100 188 full access to the "mybucket" bucket

C. Grants all the servers within the 192 168 100 0/24 subnet full access to the "mybucket" bucket

D. Grants all the servers within the 192 168 100 188/32 subnet full access to the "mybucket" bucket

Answer: B

Q4. - (Topic 2)

An organization is generating digital policy files which are required by the admins for verification. Once the files are verified they may not be required in the future unless there is some compliance issue. If the organization wants to save them in a cost effective way, which is the best possible solution?

A. AWS RRS

B. AWS S3

C. AWS RDS

D. AWS Glacier

Answer: D

Explanation:

Amazon S3 stores objects according to their storage class. There are three major storage classes: Standard, Reduced Redundancy and Glacier. Standard is for AWS S3 and provides very high durability. However, the costs are a little higher. Reduced redundancy is for less critical files. Glacier is for archival and the files which are accessed infrequently. It is an extremely low-cost storage service that provides secure and durable storage for data archiving and backup.

Q5. A user has deployed an application on his private cloud. The user is using his own monitoring tool. He wants to configure that whenever there is an error, the monitoring tool should notify him via SMS. Which of the below mentioned AWS services will help in this scenario?

A. None because the user infrastructure is in the private cloud/

B. AWS SNS

C. AWS SES

D. AWS SMS

Answer: B

Amazon Simple Notification Service (Amazon SNS. is a fast, flexible, and fully managed push messaging service. Amazon SNS can be used to make push notifications to mobile

devices. Amazon SNS can deliver notifications by SMS text message or email to the Amazon Simple Queue Service (SQS. queues or to any HTTP endpoint. In this case user can use the SNS apis to send SMS.

Q6. - (Topic 2)

A user has launched an EBS backed EC2 instance. What will be the difference while performing the restart or stop/start options on that instance?

A. For restart it does not charge for an extra hour, while every stop/start it will be charged as a separate hour

B. Every restart is charged by AWS as a separate hour, while multiple start/stop actions during a single hour will be counted as a single hour

C. For every restart or start/stop it will be charged as a separate hour

D. For restart it charges extra only once, while for every stop/start it will be charged as a separate hour

Answer: A

Explanation:

For an EC2 instance launched with an EBS backed AMI, each time the instance state is changed from stop to start/ running, AWS charges a full instance hour, even if these transitions happen multiple times within a single hour. Anyway, rebooting an instance AWS does not charge a new instance billing hour.

Topic 3, Volume C

154. - (Topic 3)

A user has created a VPC with a public subnet. The user has terminated all the instances which are part of the subnet. Which of the below mentioned statements is true with respect to this scenario?

A. The user cannot delete the VPC since the subnet is not deleted

B. All network interface attached with the instances will be deleted

C. When the user launches a new instance it cannot use the same subnet

D. The subnet to which the instances were launched with will be deleted

Q7. - (Topic 2)

A user has developed an application which is required to send the data to a NoSQL database. The user wants to decouple the data sending such that the application keeps processing and sending data but does not wait for an acknowledgement of DB. Which of the below mentioned applications helps in this scenario?

A. AWS Simple Notification Service

B. AWS Simple Workflow

C. AWS Simple Queue Service

D. AWS Simple Query Service

Answer: C

Explanation:

Amazon Simple Queue Service (SQS. is a fast, reliable, scalable, and fully managed message queuing service. SQS provides a simple and cost-effective way to decouple the components of an application. In this case, the user can use AWS SQS to send messages which are received from an application and sent to DB. The application can continue processing data without waiting for any acknowledgement from DB. The user can use SQS to transmit any volume of data without losing messages or requiring other services to always be available.

Q8. - (Topic 2)

A user has launched an EC2 instance. The user is planning to setup the CloudWatch alarm. Which of the

below mentioned actions is not supported by the CloudWatch alarm?

A. Notify the Auto Scaling launch config to scale up

B. Send an SMS using SNS

C. Notify the Auto Scaling group to scale down

D. Stop the EC2 instance

Answer: B

Explanation:

A user can create a CloudWatch alarm that takes various actions when the alarm changes state. An alarm watches a single metric over the time period that the user has specified, and performs one or more actions based on the value of the metric relative to a given threshold over a number of time periods. The actions could be sending a notification to an Amazon Simple Notification Service topic (SMS, Email, and HTTP end point.,notifying the Auto Scaling policy or changing the state of the instance to Stop/Terminate.

Q9. - (Topic 2)

A user has configured the Auto Scaling group with the minimum capacity as 3 and the maximum capacity as 5. When the user configures the AS group, how many instances will Auto Scaling launch?

A. 3

B. 0

C. 5

D. 2

Answer: C

Q10. - (Topic 2)

A user is planning to evaluate AWS for their internal use. The user does not want to incur any charge on his account during the evaluation. Which of the below mentioned AWS services would incur a charge if used?

A. AWS S3 with 1 GB of storage

B. AWS micro instance running 24 hours daily

C. AWS ELB running 24 hours a day

D. AWS PIOPS volume of 10 GB size

Answer: D

Explanation:

AWS is introducing a free usage tier for one year to help the new AWS customers get started in Cloud. The free tier can be used for anything that the user wants to run in the Cloud. AWS offers a handful of AWS services as a part of this which includes 750 hours of free micro instances and 750 hours of ELB. It includes the AWS S3 of 5 GB and AWS EBS general purpose volume upto 30 GB. PIOPS is not part of free usage tier.