AWS Certified Solutions Architect – Associate Questions and Answers (Dumps and Practice Questions)
Question : You are working with a Bank as a solution architect, to develop their mobile wallet applications and you decide to use all transactions will
be stored in Amazon RDS with Multi-AZ deployment. Entire application has been productionized and CloudWatch alarm has been created, which send
monitoring detail (only critical) to your mobile using SNS (simple notification service). One night you got an alert that your primary RDS instance has
gone down. What is your immediate step to move to secondary DB instance?
1. You immediately contact your production support team, they might have got same alert and ask them to change the DNS entry so that
application can point to secondary DB instance.
2. Ask application developer team to change the configuration file where database connection string is configured.
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4. You must monitor the application and RDS. Because of primary failure anything wrong happen.
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Explanation: Practically, you should have done nothing in this scenario on immediate basis. Only you should monitor this environment.
Because, no changes is required, that is the feature of using RDS you will get. It will behind the scene automatically point the new DB instance and
keep monitoring your environment.
Question : You are having SQL Server enterprise edition, to run your in-house HR application on that. However, you get to know that your only DBA is
leaving the organization and on notice period will 30 days and he suggested, he will help you to have some solution where you can run your application
without DBA for some time until you hire new one. And he suggested to moving database solution to AWS managed service AWS RDS. What is the correct
statement for given scenario?
1. DBA will launch AWS RDS instance and install SQL server (Enterprise edition on it). You will be using your own license using BYOD
model.
2. DBA will launch AWS RDS instance and install SQL server (Enterprise edition on it) and you will be using the RDS instance where
license is already included in cost. So you don’t have to have explicit license purchased.
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no used.
4. DBA will create SQL Server free edition RDS instance, so that he can save the hug licensing cost.
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Explanation: In given scenario, DBA left. Hence, you need managed solution, so certainly AWS RDS is a good choice. For SQL Server Enterprise
edition there is no RDS instances which include license in it. You have to have your own license, so it will work on BYOL model (Bring your own license).
Question : You are implementing a website solution for an existing website, who had a hosting with the hosting provider and having a web server and a
database server in backend. However, you need to migrate this website to AWS, which can provide high availability and resiliency for both the web server
and database server. Hence, you decided to have at least 2 web server public facing and 2 db server in highly protected. How many subnet you should have
created to have for the given scenario?
1. You will be having one subnet only in AWS and configure security and NACL for the DB server.
2. You will be having two subnet one public facing for web server and one private for D
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4. You will be having eight subnet four public facing for web server and four private for DB
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Explanation: By reading the scenario, what you conclude
- You need High Availability and resiliency
- You need two webserver and two DB server
For High Availability and resiliency, you should always consider across multi-AZ deployment solution.
Always keep the server in separate subnet based on their responsibility. Hence, here we have two separate responsibility. It means at least 2 subnet.
But for high availability and resiliency it should be in different AZ as well. However, as we know. Same subnet cannot be across two AZ, they are
limited in same AZ. Hence, we need to have separate subnet in different AZ. Which lead us to have 4 subnets. 2 for Web Server and 2 for DB server in two
AZ.
Related Questions
Question : You are designing a system that has a Bastion host. This component needs to be highly available without human intervention.
Which of the following approaches would you select?
1. Run the bastion on two instances one in each AZ
2. Run the bastion on an active Instance in one AZ and have an AMI ready to boot up in the event of failure
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max-size of 1
4. Configure an ELB in front of the bastion instance
Question : Select the correct statement which applies to Network ACL
1. Operates at the subnet level (second layer of defense)
2. Supports allow rules and deny rules
3. Is stateless: Return traffic must be explicitly allowed by rules
4. process rules in number order when deciding whether to allow traffic
5. Automatically applies to all instances in the subnets it's associated with (backup layer of defense, so you don't have to rely on someone specifying
the security group)
1. 1,2,3,4
2. 1,2,4,5
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4. 2,3,4,5
5. All are correct
Question : Is it possible to authorize access from an instance in an EC Security Group, to an instance in a DB Security Group?
1. Only if they belong to public subnets
2. Only if they both are in the same subnet
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4. Yes
Question : Which of the following statements about this S bucket policy is true?
1. Denies the server with the IP address 192 168 100 0 full access to the "mybucket" bucket
2. Denies the server with the IP address 192 168 100 188 full access to the "mybucket" bucket
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4. Grants all the servers within the 192 168 100 188/32 subnet full access to the "mybucket" bucket
Question :
In ragards to Monitoring Volumes with CloudWatch with the 'Detailed' type the data available for your Amazon EBS volumes,
Provisioned IOPS volumes automatically send _____ minute metrics to Amazon CloudWatch.
1. 2
2. 1
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4. 10
Question :
When Amazon EBS determines that a volume's data is potentially inconsistent, it disables I/O to the volume
from any attached EC2 instances by default. This causes the volume status check to fail, and creates a volume status event that indicates the cause of the
failure.
To automatically enable I/O on a volume with potential data inconsistencies, change the setting of the ___________ volume attribute.
1. AutoPermitIO
2. AutoEnableIO
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4. AutoAllowIP