[2021-New] Amazon AWS-SysOps Dumps With Update Exam Questions (101-110)

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AWS-SysOps Exam Questions - Online Test

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Q1. - (Topic 3)

A user is observing the EC2 CPU utilization metric on CloudWatch. The user has observed some interesting patterns while filtering over the 1 week period for a particular hour. The user wants to zoom that data point to a more granular period. How can the user do that easily with CloudWatch?

A. The user can zoom a particular period by selecting that period with the mouse and then releasing the mouse

B. The user can zoom a particular period by double clicking on that period with the mouse

C. The user can zoom a particular period by specifying the aggregation data for that period

D. The user can zoom a particular period by specifying the period in the Time Range

Answer: A

Q2. - (Topic 1)

A media company produces new video files on-premises every day with a total size of around 100GBS after compression All files have a size of 1 -2 GB and need to be uploaded to Amazon S3 every night in a fixed time window between 3am and 5am Current upload takes almost 3 hours, although less than half of the available bandwidth is used.

What step(s) would ensure that the file uploads are able to complete in the allotted time window?

A. Increase your network bandwidth to provide faster throughput to S3

B. Upload the files in parallel to S3

C. Pack all files into a single archive, upload it to S3, then extract the files in AWS

D. Use AWS Import/Export to transfer the video files

Answer: B

Explanation: Reference:

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

Q3. - (Topic 2)

An organization has setup consolidated billing with 3 different AWS accounts. Which of the below mentioned advantages will organization receive in terms of the AWS pricing?

A. The consolidated billing does not bring any cost advantage for the organization

B. All AWS accounts will be charged for S3 storage by combining the total storage of each account

C. The EC2 instances of each account will receive a total of 750*3 micro instance hours free

D. The free usage tier for all the 3 accounts will be 3 years and not a single year

Answer: B

Explanation:

AWS consolidated billing enables the organization to consolidate payments for multiple Amazon Web Services (AWS. accounts within a single organization by making a single paying account. For billing purposes, AWS treats all the accounts on the consolidated bill as one account. Some services, such as Amazon EC2 and Amazon S3 have volume pricing tiers across certain usage dimensions that give the user lower prices when he uses the service more.

Q4. - (Topic 1)

You have started a new job and are reviewing your company's infrastructure on AWS You notice one web application where they have an Elastic Load Balancer (&B) in front of web instances in an Auto Scaling Group When you check the metrics for the ELB in CloudWatch you see four healthy instances In Availability Zone (AZ) A and zero in AZ B There are zero unhealthy instances.

What do you need to fix to balance the instances across AZs?

A. Set the ELB to only be attached to another AZ

B. Make sure Auto Scaling is configured to launch in both AZs

C. Make sure your AMI is available in both AZs

D. Make sure the maximum size of the Auto Scaling Group is greater than 4

Answer: B

Q5. - (Topic 2)

You are building an online store on AWS that uses SQS to process your customer orders. Your backend system needs those messages in the same sequence the customer orders have been put in. How can you achieve that?

A. It is not possible to do this with SQS

B. You can use sequencing information on each message

C. You can do this with SQS but you also need to use SWF

D. Messages will arrive in the same order by default

Answer: B

Explanation:

Amazon SQS is engineered to always be available and deliver messages. One of the resulting tradeoffs is that SQSdoes not guarantee first in, first out delivery of messages. For many distributed applications, each message can stand on its own, and as long as all messages are delivered, the order is not important. If your system requires that order be preserved, you can place sequencing information in each message, so that you can reorder the messages when the queue returns them.

Q6. - (Topic 3)

A user has scheduled the maintenance window of an RDS DB on Monday at 3 AM. Which of the below mentioned events may force to take the DB instance offline during the maintenance window?

A. Enabling Read Replica

B. Making the DB Multi AZ

C. DB password change

D. Security patching

Answer: D

Explanation:

Amazon RDS performs maintenance on the DB instance during a user-definable maintenance window. The system may be offline or experience lower performance during that window. The only maintenance events that may require RDS to make the DB instance offline are: Scaling compute operations Software patching. Required software patching is automatically scheduled only for patches that are security and durability related. Such patching occurs infrequently (typically once every few months. and seldom requires more than a fraction of the maintenance window.

Q7. - (Topic 3)

A user has enabled session stickiness with ELB. The user does not want ELB to manage the cookie; instead he wants the application to manage the cookie. What will happen when the server instance, which is bound to a cookie, crashes?

A. The response will have a cookie but stickiness will be deleted

B. The session will not be sticky until a new cookie is inserted

C. ELB will throw an error due to cookie unavailability D. The session will be sticky and ELB will route requests to another server as ELB keeps replicating the Cookie

Answer: B

Explanation:

With Elastic Load Balancer, if the admin has enabled a sticky session with application controlled stickiness, the load balancer uses a special cookie generated by the application to associate the session with the original server which handles the request. ELB follows the lifetime of the application-generated cookie corresponding to the cookie name specified in the ELB policy configuration. The load balancer only inserts a new stickiness cookie if the application response includes a new application cookie. The load balancer stickiness cookie does not update with each request. If the application cookie is explicitly removed or expires, the session stops being sticky until a new application cookie is issued.

Q8. - (Topic 3)

A user has launched an EBS backed instance with EC2-Classic. The user stops and starts the instance. Which of the below mentioned statements is not true with respect to the stop/start action?

A. The instance gets new private and public IP addresses

B. The volume is preserved

C. The Elastic IP remains associated with the instance

D. The instance may run on a anew host computer

Answer: C

Explanation:

A user can always stop/start an EBS backed EC2 instance. When the user stops the instance, it first enters the stopping state, and then the stopped state. AWS does not charge the running cost but charges only for the EBS storage cost. If the instance is running in EC2-Classic, it receives a new private IP address; as the Elastic IP address (EIP. associated with the instance is no longer associated with that instance.

Q9. - (Topic 3)

Which of the below mentioned AWS RDS logs cannot be viewed from the console for MySQL?

A. Error Log

B. Slow Query Log

C. Transaction Log

D. General Log

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 querylog, and general logs. RDS does not support viewing the transaction logs.

Q10. - (Topic 3)

An organization is trying to create various IAM users. Which of the below mentioned options is not a valid IAM username?

A. John.cloud

B. john@cloud

C. John=cloud

D. john#cloud

Answer: D

Explanation:

AWS Identity and Access Management is a web service which allows organizations to manage users and user permissions for various AWS services. Whenever the organization is creating an IAM user, there should be a unique ID for each user. The names of users, groups, roles, instance profiles must be alphanumeric, including the following common characters: plus (+., equal (=., comma (,., period (.., at (@., and dash (-..