[2021-New] Amazon AWS-SysOps Dumps With Update Exam Questions (121-130)

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Q1. - (Topic 1)

An organization has configured a VPC with an Internet Gateway (IGW). pairs of public and

private subnets (each with one subnet per Availability Zone), and an Elastic Load Balancer (ELB) configured to use the public subnets The application s web tier leverages the ELB. Auto Scaling and a mum-AZ RDS database instance The organization would like to eliminate any potential single points ft failure in this design.

What step should you take to achieve this organization's objective?

A. Nothing, there are no single points of failure in this architecture.

B. Create and attach a second IGW to provide redundant internet connectivity.

C. Create and configure a second Elastic Load Balancer to provide a redundant load balancer.

D. Create a second multi-AZ RDS instance in another Availability Zone and configure replication to provide a redundant database.

Answer: A

Q2. - (Topic 3)

A user is trying to understand the detailed CloudWatch monitoring concept. Which of the below mentioned services does not provide detailed monitoring with CloudWatch?

A. AWS EMR

B. AWS RDS

C. AWS ELB

D. AWS Route53

Answer: A

Explanation:

CloudWatch is used to monitor AWS as well as the custom services. It provides either basic or detailed monitoring for the supported AWS products. In basic monitoring, a service sends data points to CloudWatch every five minutes, while in detailed monitoring a service sends data points to CloudWatch every minute. Services, such as RDS, EC2, Auto Scaling, ELB, and Route 53 can provide the monitoring data every minute.

Q3. - (Topic 3)

A user wants to find the particular error that occurred on a certain date in the AWS MySQL RDS DB. Which of the below mentioned activities may help the user to get the data easily?

A. It is not possible to get the log files for MySQL RDS

B. Find all the transaction logs and query on those records

C. Direct the logs to the DB table and then query that table

D. Download the log file to DynamoDB and search for the record

Answer: C

Explanation:

The user can view, download, and watch the database logs using the Amazon RDS console, the Command Line Interface (CLI. or the Amazon RDS API. For the MySQL RDS, the user can view the error log, slow query log, and general logs. The user can also view the MySQL logs easily by directing the logs to a database table in the main database and querying that table.

Q4. - (Topic 1)

You are managing a legacy application Inside VPC with hard coded IP addresses in its configuration.

Which two mechanisms will allow the application to failover to new instances without the need for reconfiguration? Choose 2 answers

A. Create an ELB to reroute traffic to a failover instance

B. Create a secondary ENI that can be moved to a failover instance

C. Use Route53 health checks to fail traffic over to a failover instance

D. Assign a secondary private IP address to the primary ENIO that can be moved to a failover instance

Answer: A,D

Q5. - (Topic 3)

A user has launched an EC2 instance from an instance store backed AMI. If the user restarts the instance, what will happen to the ephermal storage data?

A. All the data will be erased but the ephermal storage will stay connected

B. All data will be erased and the ephermal storage is released

C. It is not possible to restart an instance launched from an instance store backed AMI

D. The data is preserved

Answer: D

Explanation:

A user can reboot an EC2 instance using the AWS console, the Amazon EC2 CLI or the Amazon EC2 API. Rebooting an instance is equivalent to rebooting an operating system. However, it is recommended that the user use Amazon EC2 to reboot the instance instead of running the operating system reboot command from the instance. When an instance launched from an instance store backed AMI is rebooted all the ephermal storage data is still preserved.

Q6. - (Topic 1)

You have been asked to propose a multi-region deployment of a web-facing application where a controlled portion of your traffic is being processed by an alternate region.

Which configuration would achieve that goal?

A. Route53 record sets with weighted routing policy

B. Route53 record sets with latency based routing policy

C. Auto Scaling with scheduled scaling actions set

D. Elastic Load Balancing with health checks enabled

Answer: D

Explanation: Reference:

http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/TerminologyandKeyConcepts.html

Q7. - (Topic 2)

An admin is planning to monitor the ELB. Which of the below mentioned services does not help the admin capture the monitoring information about the ELB activity?

A. ELB Access logs

B. ELB health check

C. CloudWatch metrics

D. ELB API calls with CloudTrail

Answer: B

Explanation:

The admin can capture information about Elastic Load Balancer using either: CloudWatch Metrics ELB Logs files which are stored in the S3 bucket CloudTrail with API calls which can notify the user as well generate logs for each API calls The health check is internally performed by ELB and does not help the admin get the ELB activity.

Q8. - (Topic 3)

A user has moved an object to Glacier using the life cycle rules. The user requests to restore the archive after 6 months. When the restore request is completed the user accesses that archive. Which of the below mentioned statements is not true in this condition?

A. The archive will be available as an object for the duration specified by the user during the restoration request

B. The restored object’s storage class will be RRS

C. The user can modify the restoration period only by issuing a new restore request with the updated period

D. The user needs to pay storage for both RRS (restored. and Glacier (Archive. Rates

Answer: B

Explanation:

AWS Glacier is an archival service offered by AWS. AWS S3 provides lifecycle rules to archive and restore objects from S3 to Glacier. Once the object is archived their storage class will change to Glacier. If the user sends a request for restore, the storage class will still be Glacier for the restored object. The user will be paying for both the archived copy as well as for the restored object. The object is available only for the duration specified in the restore request and if the user wants to modify that period, he has to raise another restore request with the updated duration.

Q9. - (Topic 2)

A user is planning to setup notifications on the RDS DB for a snapshot. Which of the below mentioned event categories is not supported by RDS for this snapshot source type?

A. Backup

B. Creation

C. Deletion

D. Restoration

Answer: A

Explanation:

Amazon RDS uses the Amazon Simple Notification Service to provide a notification when an Amazon RDS event occurs. Event categories for a snapshot source type include: Creation, Deletion, and Restoration. The Backup is a part of DB instance source type.

Q10. - (Topic 3)

An organization is planning to create a user with IAM. They are trying to understand the limitations of IAM so that they can plan accordingly. Which of the below mentioned statements is not true with respect to the

limitations of IAM?

A. One IAM user can be a part of a maximum of 5 groups

B. The organization can create 100 groups per AWS account

C. One AWS account can have a maximum of 5000 IAM users

D. One AWS account can have 250 roles

Answer: A

Explanation:

AWS Identity and Access Management is a web service which allows organizations to manage users and user permissions for various AWS services. The default maximums for each of the IAM entities is given below: Groups per AWS account: 100 Users per AWS account: 5000 Roles per AWS account: 250 Number of groups per user: 10 (that is, one user can be part of these many groups.