[2021-New] Amazon AWS-Solution-Architect-Associate Dumps With Update Exam Questions (101-110)

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Q1. After setting up several database instances in Amazon Relational Database Service (Amazon RDS) you decide that you need to track the performance and health of your databases. How can you do this?

A. Subscribe to Amazon RDS events to be notified when changes occur with a DB instance, DB snapshot, DB parameter group, or DB security group.

B. Use the free Amazon CIoudWatch service to monitor the performance and health of a DB instance.

C. All of the items listed will track the performance and health of a database.

D. View, download, or watch database log files using the Amazon RDS console or Amazon RDS APIs. You can also query some database log files that are loaded into database tables.

Answer: C

Explanation:

Amazon Relational Database Service (Amazon RDS) is a web service that makes it easier to set up, operate, and scale a relational database in the cloud. It provides cost-efficient, resizeable capacity for an industry-standard relational database and manages common database administration tasks.

There are several ways you can track the performance and health of a database or a DB instance. You can:

Use the free Amazon CIoudWatch service to monitor the performance and health of a DB instance. Subscribe to Amazon RDS events to be notified when changes occur with a DB instance, DB snapshot, DB parameter group, or DB security group.

View, download, or watch database log files using the Amazon RDS console or Amazon RDS APIs. You can also query some database log files that are loaded into database tables.

Use the AWS CIoudTraiI service to record AWS calls made by your AWS account. The calls are recorded in log files and stored in an Amazon S3 bucket.

Reference: http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_Monitoring.htmI

Q2. Using Amazon C|oudWatch's Free Tier, what is the frequency of metric updates which you receive?

A. 5 minutes

B. 500 milliseconds.

C. 30 seconds

D. 1 minute

Answer: A

Q3. In the Amazon cloudwatch, which metric should I be checking to ensure that your DB Instance has enough free storage space?

A. Free Storage

B. Free Storage Space

C. Free Storage Volume

D. Free DB Storage Space

Answer: B

Q4. Your company is in the process of developing a next generation pet collar that collects biometric information to assist families with promoting healthy lifestyles for their pets Each collar will push 30kb of biometric data In JSON format every 2 seconds to a collection platform that will process and analyze the data providing health trending information back to the pet owners and veterinarians via a web portal Management has tasked you to architect the collection platform ensuring the following requirements are met.

Provide the ability for real-time analytics of the inbound biometric data Ensure processing of the biometric data is highly durable. Elastic and parallel The results of the analytic processing should be persisted for data mining

Which architecture outlined below win meet the initial requirements for the collection platform?

A. Utilize 53 to collect the inbound sensor data analyze the data from 53 with a daily scheduled Data Pipeline and save the results to a Redshift Cluster.

B. Utilize Amazon Kinesis to collect the inbound sensor data, analyze the data with Kinesis clients and save the results to a Red shift cluster using EMR.

C. Utilize SQS to collect the inbound sensor data analyze the data from SQS with Amazon Kinesis and save the results to a Mcrosoft SQL Server RDS instance.

D. Utilize EMR to collect the inbound sensor data, analyze the data from EUR with Amazon Kinesis and save me results to Dynamo DB.

Answer: B

Q5. Are penetration tests allowed as long as they are limited to the customer's instances?

A. Yes, they are allowed but only for selected regions.

B. No, they are never allowed.

C. Yes, they are allowed without any permission.

D. Yes, they are allowed but only with approval.

Answer: D

Explanation:

Penetration tests are allowed after obtaining permission from AWS to perform them. Reference: http://aws.amazon.com/security/penetration-testing/

Q6. Your customer is willing to consolidate their log streams (access logs application logs security logs etc.) in one single system. Once consolidated, the customer wants to analyze these logs in real time based on heuristics. From time to time, the customer needs to validate heuristics, which requires going back to data samples extracted from the last 12 hours?

What is the best approach to meet your customer's requirements?

A. Send all the log events to Amazon SQS. Setup an Auto Scaling group of EC2 sewers to consume the logs and apply the heuristics.

B. Send all the log events to Amazon Kinesis develop a client process to apply heuristics on the logs

C. Configure Amazon Cloud Trail to receive custom logs, use EMR to apply heuristics the logs

D. Setup an Auto Scaling group of EC2 syslogd servers, store the logs on 53 use EMR to apply heuristics on the logs

Answer: B

Explanation:

The throughput of an Amazon Kinesis stream is designed to scale without limits via increasing the number of shards within a stream. However, there are certain limits you should keep in mind while using Amazon Kinesis Streams:

By default, Records of a stream are accessible for up to 24 hours from the time they are added to the stream. You can raise this limit to up to 7 days by enabling extended data retention.

The maximum size of a data blob (the data payload before Base64-encoding) within one record is 1 megabyte (MB).

Each shard can support up to 1000 PUT records per second.

For more information about other API level limits, see Amazon Kinesis Streams Limits.

Q7. A customer enquires about whether all his data is secure on AWS and is especially concerned about Elastic Map Reduce (EMR) so you need to inform him of some of the security features in place for AWS. Which of the below statements would be an incorrect response to your customers enquiry?

A. Amazon ENIR customers can choose to send data to Amazon S3 using the HTTPS protocol for secure transmission.

B. Amazon S3 provides authentication mechanisms to ensure that stored data is secured against unauthorized access.

C. Every packet sent in the AWS network uses Internet Protocol Security (IPsec).

D. Customers may encrypt the input data before they upload it to Amazon S3.

Answer: C

Explanation:

Amazon S3 provides authentication mechanisms to ensure that stored data is secured against unauthorized access. Unless the customer who is uploading the data specifies otherwise, only that customer can access the data. Amazon EMR customers can also choose to send data to Amazon S3

using the HTTPS protocol for secure transmission. In addition, Amazon EMR always uses HTTPS to send data between Amazon S3 and Amazon EC2. For added security, customers may encrypt the input data before they upload it to Amazon S3 (using any common data compression tool); they then need to add a decryption step to the beginning of their cluster when Amazon EMR fetches the data from Amazon S3. Reference: https://aws.amazon.com/elasticmapreduce/faqs/

Q8. What does a "Domain" refer to in Amazon SWF?

A. A security group in which only tasks inside can communicate with each other

B. A special type of worker

C. A collection of related Workflows

D. The DNS record for the Amazon SWF service

Answer: C

Q9. You need to change some settings on Amazon Relational Database Service but you do not want the database to reboot immediately which you know might happen depending on the setting that you change. Which of the following will cause an immediate DB instance reboot to occur?

A. You change storage type from standard to PIOPS, and Apply Immediately is set to true.

B. You change the DB instance class, and Apply Immediately is set to false.

C. You change a static parameter in a DB parameter group.

D. You change the backup retention period for a DB instance from 0 to a nonzero value or from a nonzero value to 0, and Apply Immediately is set to false.

Answer: A

Explanation:

A DB instance outage can occur when a DB instance is rebooted, when the DB instance is put into a state that prevents access to it, and when the database is restarted. A reboot can occur when you manually reboot your DB instance or when you change a DB instance setting that requires a reboot before it can take effect.

A DB instance reboot occurs immediately when one of the following occurs:

You change the backup retention period for a DB instance from 0 to a nonzero value or from a nonzero value to 0 and set Apply Immediately to true.

You change the DB instance class, and Apply Immediately is set to true.

You change storage type from standard to PIOPS, and Apply Immediately is set to true.

A DB instance reboot occurs during the maintenance window when one of the following occurs:

You change the backup retention period for a DB instance from 0 to a nonzero value or from a nonzero value to 0, and Apply Immediately is set to false.

You change the DB instance class, and Apply Immediately is set to false. Reference:

http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/CHAP_Troub|eshooting.htm|#CHAP_TroubI eshooting.Security

Q10. You are looking at ways to improve some existing infrastructure as it seems a lot of engineering resources are being taken up with basic management and monitoring tasks and the costs seem to be excessive.

You are thinking of deploying Amazon E|asticCache to help. Which of the following statements is true in regards to EIasticCache?

A. You can improve load and response times to user actions and queries however the cost associated with scaling web applications will be more.

B. You can't improve load and response times to user actions and queries but you can reduce the cost associated with scaling web applications.

C. You can improve load and response times to user actions and queries however the cost associated with scaling web applications will remain the same.

D. You can improve load and response times to user actions and queries and also reduce the cost associated with scaling web applications.

Answer: D

Explanation:

Amazon EIastiCache is a web service that makes it easy to deploy and run Memcached or Redis protocol-compliant server nodes in the cloud. Amazon EIastiCache improves the performance of web applications by allowing you to retrieve information from a fast, managed, in-memory caching system, instead of relying entirely on slower disk-based databases. The service simplifies and offloads the management, monitoring and operation of in-memory cache environments, enabling your engineering resources to focus on developing applications.

Using Amazon EIastiCache, you can not only improve load and response times to user actions and queries, but also reduce the cost associated with scaling web applications.

Reference: https://aws.amazon.com/eIasticache/faqs/