AWS Certified Solutions Architect – Associate Questions and Answers (Dumps and Practice Questions)
Question : You are working with a IT Technology blogging company named QuickTechie Inc. They have huge number of blogs on various technologies. They
have their infrastructure developed in AWS, using EC2 and MYSQL database, installed on the same EC2 instance locally. And your chief architect informed
that there are some performance issues with this architect and as you know this is not a resilient solution. To solve this problem, you suggested using
RDS with Multi-AZ deployment, which solves the resilient requirement. Now, with regards to performance, you have been informed that 99% time blogging
site is accessed for reading the blogs and hardly for 1 % wring and updating the blogs. Which of the following option will help you to increase the
performance in given scenario?
1. As you have Multi-AZ deployment so that start writing to secondary copy whenever blog is created or updated.
2. You should have Multi-AZ deployment and all the write should go to the primary database and read from the secondary database.
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4. You should have used NoSQL database, as they are good fit for blogging solutions.
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Explanation: What is the requirement in given scenario? Ans: It is read heavy blogging site and you should have used existing applications.
Hence, changing the database technology is big work, you need to change your software solution. Hence, we should not change the storage technologies. So
replacing MySQL with NoSQL solution is not recommended in this case.
Beast solution for having heavy read is , use read replicas. Where you’re all the reads should go to read replicas and whenever write happens you should
be considering to use primary DB. So you should be able to understand the differences between Multi-AZ deployment with primary and secondary DB. And
where you should consider using read replicas.
Question : You are working in a bank, Arinika Inc. This bank asked you to implement best solution for commenting and messaging on their mobile
applications. You have used DynamoDB to store all this comments and messages. However, now bank want to do some analytics based on user transactions,
messages and comments to analyze the spending behavior. What is your solution for this requirement?
1. You should move these comments and messages on the RDS and ask your analytics team to use this database for their analytical queries.
2. You should move transaction data on the Redshift and ask your analytics team to use this database for their analytical queries.
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4. You should use RRS to store comments and messages and combine it with the already stored transaction to do analytics.
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Explanation: What is the core requirement in this scenario? Ans: Applying analytics on user comments and messages based on their spending.
And amazon has best solution for analytics is Redshift. You should move your data to Redshift and then queries those data for analytics purpose.
However, you may have to provide some queries to extract data from DynamoDB as well so that analytics team can integrate data from bit the solutions.
Question : You have been working in a financial company, which creates indexes based on equity data. Your technical team are in process of creating
product based on newly acquired vendor and data stored in Amazon RDS, where automated backup is enabled. During production deployment you have asked DBA
team to create a table, with statement drop first and then create table. Now table have been dropped by DBA and new empty table has been created.
However, in few moments you got a complain that other applications were reading the data from that table and they are not getting these data now. It’s
very critical production application. How, will you and your DBA can handle this scenario?
1. As you are using Amazon RDS, in a few moment you can re-store the table which has been deleted.
2. You will restore the entire database from snapshot backup.
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4. as Amazon RDS store backup snapshots in Amazon Glacier. It will take 3-5 hrs to get the snapshot, and will be recovered.
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Explanation: What is the requirement in given scenario? Ans: There was a critical table having data in it and dropped and we need this data
back. As question mentioned, it’s configured for automated backup. So for sure, you can get the data back but how? If you want to restore the data from
RDS backup than individual table cannot be re-stored, you have to re-store the entire database from the backup. Hence, 1st option is out only 2nd
option is correct.
Related Questions
Question :
If you wish to distribute content with low latency and high data transfer rates by serving requests around the world,
which of the following service is suitable for you ?
1. Amazon CloudWatch
2. Amazon CloudFront
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4. Amazon SES
Question :
Which one of the following AWS service let you specify an endpoint that does not include a specific region?
1. Amazon DynamoDB
2. Amazon SES
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4. Amazon EC2
Question :
How many maximum connections are reserved by Amazon RDS SQL Server for system maintenance.
1. 50
2. 40
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4. 20
Question :
Can I configure a security group for the front-end of an Amazon Elastic Load Balancer?
1. Only within a Virtual Private Cloud.
2. Outside Virtual Private Cloud.
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4. While setting up ELB.
Question : Which of the following way you can detach a subnet from your load balancer
1. AWS Management Console
2. The Query API
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4. 1,3
5. All 1,2 and 3
Question : Which of the following enables the VPN devices to rapidly identify when a network condition prevents delivery of packets across the Internet
for Your Customer Gateway
1. IKE Security Association
2. Dead Peer Detection
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4. BGP