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AWS Certified Solutions Architect – Associate Questions and Answers (Dumps and Practice Questions)



Question : Your entire AWS infrastructure lives inside of one Amazon VPC You have an Infrastructure
monitoring application running on an Amazon instance in Availability Zone (AZ) A of the region,
and another application instance running in AZ B. The monitoring application needs to make use
of ICMP ping to confirm network reachability of the instance hosting the application.
Can you configure the security groups for these instances to only allow the ICMP ping to pass
from the monitoringinstance to the application instance and nothing else'' If so how?
: Your entire AWS infrastructure lives inside of one Amazon VPC You have an Infrastructure
1. No Two instances in two different AZ's can't talk directly to each other via ICMP ping as that
protocol is not allowed across subnet (iebroadcast) boundaries
2. Yes Both the monitoring instance and the application instance have to be a part of the same
security group, and that security group needs to allow inbound ICMP
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application instance's security group needs to allow Inbound ICMP
4. Yes, Both the monitoring instance's security group and the application instance's security group
need to allow both inbound and outbound ICMP ping packets since ICMP is not a connection oriented
protocol


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Explanation: Ping (ICMP Echo Request and Echo Reply) requests to the router in your VPC is not supported. Ping between Amazon EC2 instances within VPC is
supported as long as your operating systems' firewalls, VPC security groups and network access control lists permit such traffic.










Question :Can a user get a notification of each instance start or terminate configured with Auto Scaling?

:Can a user get a notification of each instance start or terminate configured with Auto Scaling?
1. Yes even it is configured for auto scaling or not
2. Yes, if configured with the Launch Config
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4. Yes, if configured with the Auto Scaling group



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Explanation: When you use Auto Scaling to automatically scale your applications, you want to know when Auto Scaling is launching or terminating the EC2 instances
in your Auto Scaling group. You can configure your Auto Scaling group to send a notification, whenever the Auto Scaling group changes.

If configured, Auto Scaling group uses Amazon Simple Notification Service (Amazon SNS) to send the notifications. Amazon SNS coordinates and manages the
delivery or sending of notifications to subscribing clients or endpoints. Amazon SNS can deliver notifications as HTTP or HTTPS POSTs, email (SMTP, either
plain-text or in JSON format), or as a message posted to an Amazon SQS queue.







Question : ______ in VPC are stateless, thus return traffic must be explicitly allowed by rules


: ______ in VPC are stateless, thus return traffic must be explicitly allowed by rules
1. Availability Zones
2. Network ACLs
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4. Security groups



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Explanation: In VPC Network ACLs are stateless: Return traffic must be explicitly allowed by rules






Related Questions

Question : Administrator of your company has uploaded a big file assuming it very infrequently accessed data, and while accessing the data you find it
is
taking several
hours to checkout the data. So which one of the following storage has been used by the Administrator
 : Administrator of your company has uploaded a big file assuming it very infrequently accessed data, and while accessing the data you find it
1. Standard S3 storage
2. RRS , Reduced Redundancy Storage
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4. None of the above



Question : You have created a VPC in a region which has three AZ, now you will be creating public subnet on each AZ and create one instance in each
AZ. Each instance is hosting a different, different website. However, these are the websites which want to communicate with the internet. So you will be …


 : You have created a VPC in a region which has three AZ, now you will be creating public subnet on each AZ and create one instance in each
1. Creating three IGW and attach each one to different subnet, so that they are accessible from internet.

2. Creating three IGW and attach them to VPC and each EC2 server will use independent IGW for accessing internet.

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4. Creating only one IGW and attach it to VPC. You have to create a route in route table attached to subnet, which can send traffic via
IGW.



Question : You are working with a social media company, which stores photos, videos and audio files of the users in S and all the related metadata is
stored in the DynamoDB . Your website represents slide show or individual media item, underneath of each slide you want to show related metadata as
well, which is stored in DynamoDB . Which of the following is fastest and correct way to extract metadata from DynamoDB?


 : You are working with a social media company, which stores photos, videos and audio files of the users in S and all the related metadata is
1. You will be scanning entire table, in which metadata stored and get the related metadata from that.

2. You will fire search operation on DynamoDB table, and get the related result.

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4. You will be using find operation, so that related metadata can be retrieved from the table



Question : You are at the initial stage of creating a web based discussion application, and for that you have created a simple UI. Where you have
UserID, Comment and its PostingTimeStamp. You decided to use DynamoDB and assuming that heavy load will be there on this. You wanted faster retrieval of
the Comment and decided to partition the data and also make sure, Comment should always be sorted based on timestamp. Which of the following will you
choose to create a partition key?

 : You are at the initial stage of creating a web based discussion application, and for that you have created a simple UI. Where you have
1. UserID, PostingTimeStamp

2. PostingTimeStamp and Comment

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4. Comment and UserID



Question : Select the correct scenario, where you can use Amazon Redshift?
A. To store Equity Market Data and continuous stream of every second data
B. You will be storing user information and can use for applying analytics or creating some reporting on it.
C. You can use it as a Data Warehouse replacement and can store data which is coming from various Data sources.
D. You should be using as a ecommerce database to store live purchase orders.

 : Select the correct scenario, where you can use Amazon Redshift?
1. A,B
2. B,C
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4. A,D
5. B,D


Question : You have recently joined a company which has their website hosted on AWS EC instances. They have also configured very nice monitoring
through Cloudwatch, which keep sending the very granular monitoring detail, which always ignored and nobody interested in. Because this website is not
heavily loaded and not plan to have any high load in future, even if it is down for few hours in a week than also its acceptable. Your chief architect
asked you to reduce the cost for this setup, which one of the following can help you implement it. This website however, support user login access only.

 : You have recently joined a company which has their website hosted on AWS EC instances. They have also configured very nice monitoring
1. You will asked al the website user, when they prefer to use the website once in a week and then shutdown the website for other days.

2. You will make your website static and install it in S3.

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4. You will disable the paid detail monitoring