[2021-New] Amazon AWS-SysOps Dumps With Update Exam Questions (1-10)

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Q1. - (Topic 3)

The compliance department within your multi-national organization requires that all data for your customers that reside in the European Union (EU) must not leave the EU and also

data for customers that reside in the US must not leave the US without explicit authorization.

What must you do to comply with this requirement for a web based profile management application running on EC2?

A. Run EC2 instances in multiple AWS Availability Zones in single Region and leverage an Elastic Load Balancer with session stickiness to route traffic to the appropriate zone to create their profile

B. Run EC2 instances in multiple Regions and leverage Route 53's Latency Based Routing capabilities to route traffic to the appropriate region to create their profile

C. Run EC2 instances in multiple Regions and leverage a third party data provider to determine if a user needs to be redirect to the appropriate region to create their profile

D. Run EC2 instances in multiple AWS Availability Zones in a single Region and leverage a third party data provider to determine if a user needs to be redirect to the appropriate zone to create their profile

Answer: C

Q2. - (Topic 3)

A user is planning to schedule a backup for an EBS volume. The user wants security of the snapshot data. How can the user achieve data encryption with a snapshot?

A. Use encrypted EBS volumes so that the snapshot will be encrypted by AWS

B. While creating a snapshot select the snapshot with encryption

C. By default the snapshot is encrypted by AWS

D. Enable server side encryption for the snapshot using S3

Answer: A

Explanation:

AWS EBS supports encryption of the volume. It also supports creating volumes from existing snapshots provided the snapshots are created from encrypted volumes. The data at rest, the I/O as well as all the snapshots of the encrypted EBS will also be encrypted. EBS encryption is based on the AES-256 cryptographic algorithm, which is the industry standard.

Q3. - (Topic 1)

What is a placement group?

A. A collection of Auto Scaling groups in the same Region

B. Feature that enables EC2 instances to interact with each other via nigh bandwidth, low latency connections

C. A collection of Elastic Load Balancers in the same Region or Availability Zone

D. A collection of authorized Cloud Front edge locations for a distribution

Answer: B

Explanation: Reference:

http://aws.amazon.com/ec2/faqs/

Q4. - (Topic 3)

A user is sending the data to CloudWatch using the CloudWatch API. The user is sending data 90 minutes in the future. What will CloudWatch do in this case?

A. CloudWatch will accept the data

B. It is not possible to send data of the future

C. It is not possible to send the data manually to CloudWatch

D. The user cannot send data for more than 60 minutes in the future

Answer: A

Explanation:

With Amazon CloudWatch, each metric data point must be marked with a time stamp. The user can send the data using CLI but the time has to be in the UTC format. If the user does not provide the time, CloudWatch will take the data received time in the UTC timezone. The time stamp sent by the user can be up to two weeks in the past and up to two hours into the future.

Q5. - (Topic 2)

A user is planning to use AWS Cloudformation. Which of the below mentioned functionalities does not help him to correctly understand Cloudfromation?

A. Cloudformation follows the DevOps model for the creation of Dev & Test

B. AWS Cloudfromation does not charge the user for its service but only charges for the AWS resources created with it

C. Cloudformation works with a wide variety of AWS services, such as EC2, EBS, VPC, IAM, S3, RDS,

ELB, etc

D. CloudFormation provides a set of application bootstrapping scripts which enables the user to install Software

Answer: A

Explanation:

AWS Cloudformation is an application management tool which provides application modelling, deployment, configuration, management and related activities. It supports a wide variety of AWS services, such as EC2, EBS, AS, ELB, RDS, VPC, etc. It also provides application bootstrapping scripts which enable the user to install software packages or create folders. It is free of the cost and only charges the user for the services created with it. The only challenge is that it does not follow any model, such as DevOps; instead customers can define templates and use them to provision and manage the AWS resources in an orderly way.

Q6. - (Topic 1)

An application that you are managing has EC2 instances & Dynamo OB tables deployed to several AWS Regions In order to monitor the performance of the application globally, you would like to see two graphs 1) Avg CPU Utilization across all EC2 instances and 2) Number of Throttled Requests for all DynamoDB tables.

How can you accomplish this?

A. Tag your resources with the application name, and select the tag name as the dimension in the Cloudwatch Management console to view the respective graphs

B. Use the Cloud Watch CLI tools to pull the respective metrics from each regional endpoint Aggregate the data offline & store it for graphing in CloudWatch.

C. Add SNMP traps to each instance and DynamoDB table Leverage a central monitoring server to capture data from each instance and table Put the aggregate data into Cloud Watch for graphing.

D. Add a CloudWatch agent to each instance and attach one to each DynamoDB table. When configuring the agent set the appropriate application name & view the graphs in CloudWatch.

Answer: C

Q7. - (Topic 3)

A user is planning to set up the Multi AZ feature of RDS. Which of the below mentioned conditions won't take advantage of the Multi AZ feature?

A. Availability zone outage

B. A manual failover of the DB instance using Reboot with failover option

C. Region outage

D. When the user changes the DB instance’s server type

Answer: C

Explanation:

Amazon RDS when enabled with Multi AZ will handle failovers automatically. Thus, the user can resume database operations as quickly as possible without administrative intervention. The primary DB instance switches over automatically to the standby replica if any of the following conditions occur: An Availability Zone outage The primary DB instance fails The DB instance's server type is changed The DB instance is undergoing software patching A manual failover of the DB instance was initiated using Reboot with failover

Q8. - (Topic 3)

An organization has setup Auto Scaling with ELB. Due to some manual error, one of the instances got

rebooted. Thus, it failed the Auto Scaling health check. Auto Scaling has marked it for replacement. How can the system admin ensure that the instance does not get terminated?

A. Update the Auto Scaling group to ignore the instance reboot event

B. It is not possible to change the status once it is marked for replacement

C. Manually add that instance to the Auto Scaling group after reboot to avoid replacement

D. Change the health of the instance to healthy using the Auto Scaling commands

Answer: D

Explanation:

After an instance has been marked unhealthy by Auto Scaling, as a result of an Amazon EC2 or ELB health check, it is almost immediately scheduled for replacement as it will never automatically recover its health. If the user knows that the instance is healthy then he can manually call the SetInstanceHealth action (or the as-setinstance- health command from CLI. to set the instance's health status back to healthy. Auto Scaling will throw an error if the instance is already terminating or else it will mark it healthy.

Q9. - (Topic 3)

A user is measuring the CPU utilization of a private data centre machine every minute. The machine provides the aggregate of data every hour, such as Sum of data”, “Min value”, “Max value, and “Number of Data points”.

The user wants to send these values to CloudWatch. How can the user achieve this?

A. Send the data using the put-metric-data command with the aggregate-values parameter

B. Send the data using the put-metric-data command with the average-values parameter

C. Send the data using the put-metric-data command with the statistic-values parameter

D. Send the data using the put-metric-data command with the aggregate –data parameter

Answer: C

Explanation:

AWS CloudWatch supports the custom metrics. The user can always capture the custom data and upload the data to CloudWatch using CLI or APIs. The user can publish the data to CloudWatch as single data points or as an aggregated set of data points called a statistic set using the command put-metric-data. When sending the aggregate data, the user needs to send it with the parameter statistic-values: awscloudwatch put-metric-data --metric-name <Name> --namespace <Custom namespace> --timestamp <UTC Format> --statistic-values Sum=XX,Minimum=YY,Maximum=AA,SampleCount=BB --unit Milliseconds

Q10. - (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