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August 14, 2017

Quick Guide: aws solution architect associate certification

Exam Code: aws solution architect associate certification (Practice Exam Latest Test Questions VCE PDF)
Exam Name: AWS Certified Solutions Architect - Associate
Certification Provider: Amazon
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Q101. An application hosted at the EC2 instance receives an HTTP request from ELB. The same request has an X-Forvvarded-For header, which has three IP addresses. Which system's IP will be a part of this header?

A. Previous Request IP address.

B. Client IP address.

C. All of the answers listed here.

D. Load Balancer IP address. 

Answer: C

Explanation:

When a user sends a request to ELB over HTTP/HTTPS, the request header log at the instance will only receive the IP of ELB. This is because ELB is the interceptor between the EC2 instance and the client request. To get the client IP, use the header X-Forvvarded-For in header. The client IP address in the

X-Fonzvarded-For request header is followed by the IP addresses of each successive proxy that passes along the request. The last IP address is the IP address that connects to the back-end application instance. e.g. if the HTTP request already has a header when it reaches the Load Balancer, the IP address from which the request came is appended at the end of the header followed by the IP address of the Load Balancer. In such cases, the X-Forvvarded-For request header takes the following form:

X-Fonzvarded-For: cIientIPAddress, previousRequestIPAddress, LoadBaIancerIPAddress. Reference:

http://docs.aws.amazon.com/E|asticLoadBaIancing/Iatest/DeveIoperGuide/TerminologyandKeyConcepts. html


Q102. In relation to AWS CIoudHSM, High-availability (HA) recovery is hands-off resumption by failed HA group members.

Prior to the introduction of this function, the HA feature provided redundancy and performance, but required that a failed/lost group member be reinstated.

A. automatically

B. periodically

C. manually

D. continuosly 

Answer: C

Explanation:

In relation to AWS CIoudHS|VI, High-availability (HA) recovery is hands-off resumption by failed HA group members.

Prior to the introduction of this function, the HA feature provided redundancy and performance, but required that a failed/lost group member be manually reinstated.

Reference: http://docs.aws.amazon.com/cloudhsm/latest/userguide/ha-best-practices.html


Q103. Which of the following statements is true of creating a launch configuration using an EC2 instance?

A. The launch configuration can be created only using the Query APIs.

B. Auto Scaling automatically creates a launch configuration directly from an EC2 instance.

C. A user should manually create a launch configuration before creating an Auto Scaling group.

D. The launch configuration should be created manually from the AWS CLI. 

Answer: B

Explanation:

You can create an Auto Scaling group directly from an EC2 instance. When you use this feature, Auto Scaling automatically creates a launch configuration for you as well.

Reference:

http://docs.aws.amazon.com/AutoScaling/latest/DeveIoperGuide/create-Ic-with-instancelD.htmI


Q104. An edge location refers to which Amazon Web Service?

A. An edge location is refered to the network configured within a Zone or Region

B. An edge location is an AWS Region

C. An edge location is the location of the data center used for Amazon CIoudFront.

D. An edge location is a Zone within an AWS Region 

Answer: C

Explanation:

Amazon CIoudFront is a content distribution network. A content delivery network or content distribution network (CDN) is a large distributed system of sewers deployed in multiple data centers across the world. The location of the data center used for CDN is called edge location.

Amazon CIoudFront can cache static content at each edge location. This means that your popular static content (e.g., your site’s logo, navigational images, cascading style sheets, JavaScript code, etc.) will be available at a nearby edge location for the browsers to download with low latency and improved performance for viewers. Caching popular static content with Amazon CIoudFront also helps you offload requests for such files from your origin sever — CIoudFront serves the cached copy when available and only makes a request to your origin server if the edge location receMng the browser’s request does not have a copy of the file.

Reference: http://aws.amazon.com/c|oudfront/


Q105. In regards to IAM you can edit user properties later, but you cannot use the console to change the

A. user name

B. password

C. default group 

Answer: A


Q106. How are the EBS snapshots saved on Amazon 53?

A. Exponentially

B. Incrementally

C. EBS snapshots are not stored in the Amazon 53

D. Decrementally 

Answer: B


Q107. A company wants to review the security requirements of Glacier. Which of the below mentioned statements is true with respect to the AWS Glacier data security?

A. All data stored on Glacier is protected with AES-256 serverside encryption.

B. All data stored on Glacier is protected with AES-128 serverside encryption.

C. The user can set the serverside encryption flag to encrypt the data stored on Glacier.

D. The data stored on Glacier is not encrypted by default. 

Answer: A

Explanation:

For Amazon Web Services, all the data stored on Amazon Glacier is protected using serverside encryption. AWS generates separate unique encryption keys for each Amazon Glacier archive, and encrypts it using AES-256. The encryption key then encrypts itself using AES-256 with a master key that is stored in a secure location.

Reference: http://media.amazonwebservices.com/AWS_Security_Best_Practices.pdf


Q108. What is Oracle SQL Developer?

A. An AWS developer who is an expert in Amazon RDS using both the Oracle and SQL Server DB engines

B. A graphical Java tool distributed without cost by Oracle.

C. It is a variant of the SQL Sewer Management Studio designed by Microsoft to support Oracle DBMS functionalities

D. A different DBMS released by Microsoft free of cost 

Answer: B


Q109. You need to develop and run some new applications on AWS and you know that Elastic Beanstalk and CIoudFormation can both help as a deployment mechanism for a broad range of AWS resources. Which of the following statements best describes the differences between Elastic Beanstalk and C|oudFormation?

A. Elastic Beanstalk uses Elastic load balancing and CIoudFormation doesn't.

B. CIoudFormation is faster in deploying applications than Elastic Beanstalk.

C. Elastic Beanstalk is faster in deploying applications than C|oudFormation.

D. CIoudFormation is much more powerful than Elastic Beanstalk, because you can actually design and script custom resources

Answer:

Explanation:

These services are designed to complement each other. AWS Elastic Beanstalk provides an environment to easily develop and run applications in the cloud. It is integrated with developer tools and provides a one-stop experience for you to manage the lifecycle of your applications. AWS CIoudFormation is a convenient deployment mechanism for a broad range of AWS resources. It supports the infrastructure needs of many different types of applications such as existing enterprise applications, legacy applications, applications built using a variety of AWS resources and container-based solutions (including those built using AWS Elastic Beanstalk).

AWS CIoudFormation introduces two new concepts: The template, a JSON-format, text-based file that describes all the AWS resources you need to deploy to run your application and the stack, the set of AWS resources that are created and managed as a single unit when AWS CIoudFormation instantiates a template.

Reference: http://aws.amazon.com/c|oudformation/faqs/


Q110. If I modify a DB Instance or the DB parameter group associated with the instance, should I reboot the instance for the changes to take effect?

A. No

B. Yes 

Answer: B



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