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Q1. Your manager has requested you to tag EC2 instances to orgAMze and manage a load balancer. Which of the following statements about tag restrictions is incorrect?
A. The maximum key length is 127 Unicode characters.
B. The maximum value length is 255 Unicode characters.
C. Tag keys and values are case sensitive.
D. The maximum number of tags per load balancer is 20.
Answer: D
Explanation:
Tags help you to categorize your load balancers in different ways, for example, by purpose, owner, or environment. The following basic restrictions apply to tags: The maximum number of tags per resource is
10. The maximum key length is 127 Unicode characters. The maximum value length that can be used is 255 Unicode characters. The tag keys and values are case sensitive. Allowed characters are letters, spaces, and numbers representable in UTF-8, plus the following special characters: + - =. _ : / @. Do not use leading or trailing spaces. Do not use the aws: prefix in your tag names or values because it is reserved for AWS use. You can't edit or delete tag names or values with this prefix. Tags with this prefix do not count against your tags per resource limit.
Reference:
http://docs.aws.amazon.com/EIasticLoadBaIancing/latest/DeveIoperGuide/add-remove-tags.htmI#tag-res trictions
Q2. Which Amazon service is not used by Elastic Beanstalk?
A. Amazon S3
B. Amazon ELB
C. Auto scaling
D. Amazon EMR
Answer: D
Explanation:
Elastic Beanstalk leverages AWS services such as Amazon Elastic Cloud Compute (Amazon EC2), Amazon Simple Storage Service (Amazon S3), Amazon Simple Notification Service (Amazon SNS), Elastic Load Balancing and Auto Scaling to deliver the same highly reliable, scalable, and cost-effective infrastructure that hundreds of thousands of businesses depend on today.
Reference: http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/\NeIcome.html
Q3. What is the maximum time messages can be stored in SQS?
A. 14 days
B. one month
C. 4 days
D. 7 days
Answer: A
Explanation:
A message can be stored in the Simple Queue Service (SQS) from 1 minute up to a maximum of 14 days. Reference: http://aws.amazon.com/sqs/faqs/#How_Iong_can_I_keep_my_messages_in_Amazon_SQS_queues
Q4. Regarding Amazon SNS, to begin using Amazon SNS mobile push notifications, you first need that uses one of the supported push notification services: APNS, GCM, or ADM.
A. an access policy for the mobile endpoints
B. to active push notification service of Amazon SNS
C. to know the type of mobile device operating system
D. an app for the mobile endpoints
Answer: D
Explanation:
In Amazon SNS, to begin using Amazon SNS mobile push notifications, you first need an app for the mobile endpoints that uses one of the supported push notification services: APNS, GCM, or ADM. After you've registered and configured the app to use one of these services, you configure Amazon SNS to send push notifications to the mobile endpoints.
Reference: http://docs.aws.amazon.com/sns/latest/dg/SNSMobiIePush.htmI
Q5. In DynamoDB, could you use IAM to grant access to Amazon DynamoDB resources and API actions?
A. Yes
B. Depended to the type of access
C. In DynamoDB there is no need to grant access
D. No
Answer: A
Explanation:
Amazon DynamoDB integrates with AWS Identity and Access Management (IAM). You can use AWS IAM to grant access to Amazon DynamoDB resources and API actions. To do this, you first write an AWS IAM policy, which is a document that explicitly lists the permissions you want to grant. You then attach that policy to an AWS IAM user or role.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/UsingIAMWithDDB.htmI
Q6. You are using Amazon SQS and are getting a "Queue Deleted RecentIy" error. What is wrong?
A. The message is too big
B. You have incorrect permissions
C. Another user has deleted the queue
D. If you delete a queue, you need to wait for at least 60 seconds before creating a queue with the same name
Answer: D
Explanation:
If you delete a queue, you need to wait for at least 60 seconds before creating a queue with the same name. Please note that when you delete a queue, the deletion process takes up to 60 seconds. Requests you send to a recently deleted queue might succeed during the 60-second period. For example, a SendlVIessage request might succeed, but after 60 seconds the queue and that message you sent no longer exists.
Reference: https://aws.amazon.com/items/1343?externaI|D=1343
Q7. In AWS Elastic Beanstalk, if the application returns any response other than 200 ,OK or there is no response within the configured InactMtyTimeout period, .
A. SQS once again makes the message visible in the queue and available for another attempt at processing
B. SQS waits for another timeout
C. SQS run DeIeteMessagecaII and deletes the message from the queue
D. SQS sends a message to the application with the lVIessageID and pending status
Answer: A
Explanation:
In AWS Elastic Beanstalk, if the application returns any response other than 200, OK or there is no response within the configured InactMtyTimeout period, SQS once again makes the message visible in the queue and available for another attempt at processing.
Reference:
http://docs.aws.amazon.com/elasticbeanstaIk/latest/dg/using-features-managing-env-tiers.htmI#worker-e nviron
Q8. A user is creating a snapshot of an EBS volume. Which of the below statements is incorrect in relation to the creation of an EBS snapshot?
A. Its incremental
B. It can be used to launch a new instance
C. It is stored in the same AZ as the volume
D. It is a point in time backup of the EBS volume
Answer: C
Explanation:
The EBS snapshots are a point in time backup of the EBS volume. It is an incremental snapshot, but is always specific to the region and never specific to a single AZ.
Hence the statement "|t is stored in the same AZ as the volume" is incorrect.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSSnapshots.htmI
Q9. A user has an S3 object in the US Standard region with the content "coIor=red". The user updates the object with the content as "coIor="white". If the user tries to read the value 1 minute after it was uploaded, what will S3 return?
A. It will return "coIor=white"
B. It will return "coIor=red"
C. It will return an error saying that the object was not found
D. It may return either "coIor=red" or "color=white" i.e. any of the value
Answer: D
Explanation:
AWS S3 follows the eventual consistent model in the US Standard Region. Once the object is updated it
may return the new value or the old value based on whether all the content is replicated across multiple servers until it becomes consistent (eventual).
Reference: http://docs.aws.amazon.com/AmazonS3/Iatest/dev/Introduction.htmI
Q10. A user is configuring the HTTPS protocol on a front end ELB and the SSL protocol for the back-end listener in ELB. What will ELB do?
A. It will allow you to create the configuration, but the instance will not pass the health check
B. Receives requests on HTTPS and sends it to the back end instance on SSL
C. It will not allow you to create this configuration
D. It will allow you to create the configuration, but ELB will not work as expected
Answer: C
Explanation:
If a user is configuring HTTPS on the front end and TCP on the back end, ELB will not allow saving these listeners and will respond with the message.
"Load Balancer protocol is an application layer protocol, but instance protocol is not. Both the Load Balancer protocol and the instance protocol should be at the same layer. Please fix."
Reference:
http://docs.aws.amazon.com/EIasticLoadBaIancing/latest/DeveIoperGuide/elb-troubleshooting.htmI
Q11. can be used to bootstrap both the Chef Server and Chef Client software on your EC2 instances.
A. AWS CIoudFormation
B. AWS Elastic Beanstalk
C. AWS OpsWorks
D. Amazon Glacier
Answer: A
Explanation:
AWS CIoudFormation can be used to bootstrap both the Chef Server and Chef Client software on your EC2 instances.
Reference: http://aws.amazon.com/c|oudformation/faqs/
Q12. An online gaming site asked you if you can deploy a database that is a fast, highly scalable NoSQL database service in AWS for a new site that he wants to build. Which database should you recommend?
A. Amazon Redshift
B. Amazon SimpIeDB
C. Amazon DynamoDB
D. Amazon RDS
Answer: C
Explanation:
Amazon DynamoDB is ideal for database applications that require very low latency and predictable performance at any scale but don’t need complex querying capabilities like joins or transactions. Amazon DynamoDB is a fully-managed NoSQL database service that offers high performance, predictable throughput and low cost. It is easy to set up, operate, and scale.
With Amazon DynamoDB, you can start small, specify the throughput and storage you need, and easily scale your capacity requirements on the fly. Amazon DynamoDB automatically partitions data over a
number of servers to meet your request capacity. In addition, DynamoDB automatically replicates your data synchronously across multiple Availability Zones within an AWS Region to ensure high-availability and data durability.
Reference: https://aws.amazon.com/running_databases/#dynamodb_anchor
Q13. ExamKiIIer (with AWS account ID H1122223333) has created 50 IAM users for its orgAMzation’s employees. ExamKiIIer wants to make the AWS console login URL for all IAM users as: https:// examkiI|er.signin.aws.amazon.com/conso|e/. How can this be configured?
A. Create a bucket with the name ExamKiI|er and map it with the IAM alias
B. It is not possible to have capital letters as a part of the alias name
C. The user needs to use Route 53 to map the ExamKiIIer domain and IAM URL
D. For the AWS account, create an alias ExamKiIIer for the IAM login
Answer: B
Explanation:
If a user wants the URL of the AWS IAM sign-in page to have the company name instead of the AWS
account ID, he can create an alias for his AWS account ID. The alias must be unique across all Amazon Webservices products and contain only digits, lowercase letters, and hyphens.
Reference: http://docs.aws.amazon.com/IAM/latest/UserGuide/AccountAIias.html
Q14. In DynamoDB, to get a detailed listing of secondary indexes on a table, you can use the action.
A. DescribeTabIe
B. BatchGetItem
C. Getltem
D. TabIeName
Answer: A
Explanation:
In DynamoDB, DescribeTab|e returns information about the table, including the current status ofthe table, when it was created, the primary key schema, and any indexes on the table.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Secondarylndexes.htmI
Q15. When should a user try to Force Detach an EBS volume?
A. If the volume is stuck in a detaching state
B. If the volume is not accessible from the instance
C. If the volume is not unmounted and the user still wants to detach
D. If the volume is a root volume
Answer: A
Explanation:
If an EBS volume stays in the detaching state, the user can force the detachment by clicking Force Detach. Forcing the detachment can lead to either data loss or a corrupted file system. The user should use this option only as a last resort to detach a volume from a failed instance or if he is detaching a volume with the intention of deleting it.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-detaching-volume.html