AWS-Certified-Developer-Associate Amazon Exam Questions and Free Practice Test

Question 49

True or False: In DynamoDB, Scan operations are always eventually consistent.

A. No, scan is like Query operation

B. Yes

C. No, scan is strongly consistent by default

D. No, you can optionally request strongly consistent sca

Correct Answer:B
In DynamoDB, Scan operations are always eventually consistent.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/APISummary.htmI

Question 50

An orgAMzation has 500 employees. The orgAMzation wants to set up AWS access for each department. Which of the below mentioned options is a possible solution?

A. Create IAM roles based on the permission and assign users to each role

B. Create IAM users and provide indMdual permission to each

C. Create IAM groups based on the permission and assign IAM users to the groups

D. It is not possible to manage more than 100 IAM users with AWS

Correct Answer:C
An IAM group is a collection of IAM users. Groups let the user specify permissions for a collection of users, which can make it easier to manage the permissions for those users.
Reference: http://docs.aws.amazon.com/IAM/|atest/UserGuide/Using_WorkingWithGroupsAndUsers.htmI

Question 51

A user has launched an RDS instance. The user has created 3 databases on the same server. What can the maximum size be for each database?

A. The size of each DB cannot be more than 3 TB

B. It is not possible to have more than one DB on a single instance

C. The total instance storage size cannot be more than 3 TB

D. The size of each DB cannot be more than 1 TB

Correct Answer:C
The AWS RDS DB instance is an isolated DB environment provided by AWS in which the user can create more than 1 database. The maximum size ofthe instance should be between 5 GB and 3 TB. The size of each DB can be anything in this range.
Reference: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Welcome.html

Question 52

In AWS, which security aspects are the customer’s responsibility? Choose 4 answers

A. Life-cycle management of IAM credentials

B. Decommissioning storage devices

C. Security Group and ACL (Access Control List) settings

D. Encryption of EBS (Elastic Block Storage) volumes

E. Controlling physical access to compute resources

F. Patch management on the EC2 instance’s operating system

Correct Answer:ABCF

Question 53

You have written an application that uses the Elastic Load Balancing service to spread traffic to several web servers Your users complain that they are sometimes forced to login again in the middle of using your application, after they have already togged in. This is not behavior you have designed. What is a possible solution to prevent this happening?

A. Use instance memory to save session state.

B. Use instance storage to save session state.

C. Use EBS to save session state

D. Use EIastiCache to save session state.

E. Use Glacier to save session slat

Correct Answer:D

Question 54

A user is having access to objects of an S3 bucket which is not owned by him. If he is trying to set the objects of that bucket public, which of the below mentioned options may be a right fit for this action?

A. Make the bucket public with full access

B. Define the policy for the bucket

C. Provide ACL on the object

D. Create an IAM user with permission

Correct Answer:C
An S3 object ACL is the only way to manage access to objects which are not owned by the bucket owner. An AWS account that owns the bucket can grant another AWS account permission to upload objects. The bucket owner does not own these objects. The AWS account that created the object must grant permissions using object ACLs.
Reference: http://docs.aws.amazon.com/AmazonS3/latest/dev/access-policy-alternatives-guidelines.html

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