Amazon AWS-Certified-Cloud-Practitioner Free Practice Questions

NEW QUESTION 1
What AWS database service is used for data warehousing of petabytes of data?
Choose the Correct Answer

• A. RDS
• B. Elasticache
• C. Redshift
• D. DynamoDB

Answer: C

Explanation:
Redshift is a fully-managed data warehouse that is perfect for storing petabytes worth of data.

NEW QUESTION 2
What best describes the concept of high availability?
Choose the Correct Answer

• A. The ability for a system to grow and shrink based on demand.
• B. The ability for a system to withstand a certain amount of failure and still remain functional.
• C. The ability for a system to grow in size, capacity, and/or scope.
• D. The ability for a system be accessible when you attempt to access i

Answer: D

Explanation:
High availability refers to the concept that something will be accessible when you try to access it. An object or web application is "highly available" when it is accessible a vast majority of the time.

NEW QUESTION 3
What best describes the concept of fault tolerance?
Choose the Correct Answer

• A. The ability for a system to withstand a certain amount of failure and still remain functional.
• B. The ability for a system to grow and shrink based on demand.
• C. The ability for a system to grow in size, capacity, and/or scope.
• D. The ability for a system be accessible when you attempt to access i

Answer: A

Explanation:
Fault tolerance describes the concept of a system (in our case a web application) to have failure in some of its components and still remain accessible (highly available). Fault tolerant web applications will have at least two web servers (in case one fails).

NEW QUESTION 4
What is the term used to describe giving an AWS user only access to the exact services he/she needs to do the required job and nothing more?
Choose the Correct Answer

• A. The Least Privilege User Principal
• B. The Principal of Least Privilege
• C. The Only Access Principal.
• D. None of the above

Answer: B

NEW QUESTION 5
What is the purpose of a DNS server?
Choose the Correct Answer

• A. To serve web application content.
• B. To convert common language domain names to IP addresses.
• C. To convert IP addresses to common language domain names.
• D. To act as an internet search engin

Answer: B

Explanation:
Domain name system servers act as a "third party" that provides the service of converting common language domain names to IP addresses (which are required for a web browser to properly make a request for web content).

NEW QUESTION 6
Before moving and/or storing object in AWS Glacier, what considerations should you make regarding the data you want to store.
Choose the Correct Answer

• A. Make sure the data is properly formatted for storage Glacier.
• B. Make sure the total amount of data you want to store in under 1 terabyte in size.
• C. Make sure you are ok with it taking at minimum a few minutes to retrieve the data once stored in Glacier.
• D. None of the abov

Answer: C

Explanation:
Objects stored in Glacier take time to retrieve. You can pay for expedited retrieval, which will take several minutes - OR wait several hours (for normal retrieval).

NEW QUESTION 7
What endpoints are possible to send messages to with Simple Notification Service? (Select all that apply)
Choose the 3 Correct answers:

• A. SMS
• B. FTP
• C. SQS
• D. Lambda

Answer: ACD

NEW QUESTION 8
What is AWS's relational database service?
Choose the Correct Answer

• A. Redshift
• B. DymamoDB
• C. ElastiCache
• D. RDS

Answer: D

Explanation:
RDS offers SQL database options - otherwise known as relational databases.

NEW QUESTION 9
Children's All Saints Hospital has millions of old medical records that they must save for regulatory reasons. These records will most likely never be accessed again. What is the best and most costeffective S3 storage option that will meet the hospitals needs?
Choose the Correct Answer

• A. Standard
• B. Infrequent Access
• C. Glacier
• D. Reduced Redundacy

Answer: C

Explanation:
Glacer is specifically designed for long-term archival storage. It is extremely inexpensive and should only be used for items that you access very infrequently.

NEW QUESTION 10
Amit is running a web application with a capacity of 5000 users. Every few days, traffic reaches 5000 users and any additional users are being denied access. What can Amit do to efficiently automate the process of adding and removing server capacity based on traffic demand?
Choose the Correct Answer

• A. Enable elastic load balancing on his application.
• B. Automating this process cannot be done
• C. Enable auto scaling on his application.
• D. Write a custom script to automate the process

Answer: C

Explanation:
Auto scaling in AWS allows you to configure metric-based rules that (when triggered) will add and/or remove instances (server capacity) to your application. Adding/moving instances is then automated based on the metric rules you configure.

NEW QUESTION 11
If you have a set of frequently accessed files that are used on a daily basis, what S3 storage class should you store them in?
Choose the Correct Answer

• A. Infrequent Access
• B. Reduced Redundancy
• C. Standard
• D. Fast Access

Answer: C

Explanation:
The Standard storage class should be used for files that you access on a daily or very frequent basis.

NEW QUESTION 12
Why would a company decide to use AWS over an on-premises data center? (Select all that apply) Choose the 4 Correct answers:

• A. Highly available infrastructure
• B. Elastic resources based on demand
• C. No upfront cost
• D. Cost-effective

Answer: ABCD

Explanation:
All four answers listed are reasons why a company may decide to use AWS over an on-premises data center.

NEW QUESTION 13
Matt is working on a projects that involves converting an images format from .png to .jpg. Thousands of images have to be converted; however, time is not really an issue and continual processing is not required. What type of EC2 buying option would be most cost-effective for Matt to use?
Choose the Correct Answer

• A. Spot
• B. On-demand
• C. Reserved
• D. None of the above

Answer: A

Explanation:
Spot instances offer the cheapest option of all EC2's buying options. However, spot instances should only be used when there can be interruptions in the processing jobs being conducted. This is due to the fluctuation in spot pricing. If the spot price goes above your bid price, then you will lose access to the spot instance (thus causing a stoppage in processing).

NEW QUESTION 14
What AWS feature acts as a traffic distribution regulator, making sure each EC2 instance in a system get the same amount of traffic?
Choose the Correct Answer

• A. Availability Zone
• B. ELB
• C. NACL
• D. Auto Scaling

Answer: B

Explanation:
An Elastic Load Balancer is responsible for evenly distributing incoming web traffic between all the EC2 instances associated with it. This help prevent one server from becoming overloaded with traffic, while another server remains underutilized.

NEW QUESTION 15
What best describes an AWS region?
Choose the Correct Answer

• A. A specific location where an AWS data center is located.
• B. An isolated collection of AWS Availability Zones, of which there are many placed all around the world.
• C. The physical networking connections between Availability Zones.
• D. A collection of DNS server

Answer: B

Explanation:
An AWS region is an isolated geographical area that is is comprised of three or more AWS Availability Zones.

NEW QUESTION 16
What AWS storage class should be used for long-term, archival storage?
Choose the Correct Answer

• A. Glacier
• B. Long-Term
• C. Standard
• D. Infrequent Access

Answer: A

Explanation:
Glacier should be used for (and is specifically designed for) long-term , archival storage.

NEW QUESTION 17
Mike is setting up the infrastructure for a web application that requires three EC2 instances to handle the expected demand. However, when testing the application, Mike find that all traffic to the application is being routed to only one of the servers. What AWS feature should he add to his application in order to have traffic evenly distributed between all three servers?
Choose the Correct Answer

• A. Elastic Load Balancer
• B. Auto Scaling
• C. Route 53
• D. CloudFront

Answer: A

Explanation:
An Elastic Load Balancer is designed to evenly distribute incoming web traffic between all servers that are associated with it.

NEW QUESTION 18
What services has built-in DDoS mitigation and/or protection?
Choose the Correct Answer

• A. EC2
• B. RDS
• C. SNS
• D. None of the above

Answer: D

Explanation:
AWS services with built-in DDoS migigation/protection include: 1) Route 53 2) CloudFront 3) WAF (web application firewall) 4) Elastic Load Balancing 5) VPCs and Security Groups

NEW QUESTION 19
What best describes the purpose of having many Availability Zones in each AWS region?
Choose the Correct Answer

• A. Multiple Availability Zones allow for fault tolerance but not high availability.
• B. Multiple Availability Zones allow for cheaper prices due to competition between them.
• C. Multiple Availability Zones allow for duplicate and redundant compute, and data backups.
• D. None of the abov

Answer: C

Explanation:
Availability Zones work together within a region to provide users with the ability to easily setup and configure redundant architecture and backup solutions

NEW QUESTION 20
What best describes penetration testing?
Choose the Correct Answer

• A. Testing your applications ability to penetrate other applications.
• B. Testing your IAM users access to AWS services.
• C. Testing your own network/application for vulnerabilities.
• D. None of the abov

Answer: C

NEW QUESTION 21
What are the primary benefits of using Lambda? (Select all that apply) Choose the 2 Correct answers:

• A. Pay for only the compute time you consume.
• B. Wide variety of operating systems to select from.
• C. Actively select and manage instance type and capacity.
• D. Run code without provisioning server

Answer: AD

Explanation:
Lambda, being AWS's serverless compute platform, means there are no servers, instance types, or capacity to select. That is all managed for you. With Lambda, you only for the when your code is actually being executed.

NEW QUESTION 22
Stephen is having issues tracking how much compute capacity his application is using. Ideally, he wants to track and have alarms for when CPU utilization goes over 70%. What should Stephen do to accomplish this?
Choose the Correct Answer

• A. Configure an SNS topic with an alarm threshold set to trigger when CPU utilization is greater than 70%.
• B. Configure a CloudWatch alarm with an alarm threshold set to trigger when CPU utilization is greater than 70%.
• C. Configure a CloudWatch alarm with an alarm threshold set to trigger when CPU utilization is greater than or equal to 70%.
• D. None of the abov

Answer: B

Explanation:
The answer is to configure a CloudWatch alarm with an alarm threshold set to trigger when CPU utilization is greater than 70%. This will display the alarm in "alarm" state when CPU utilization is greater than 70%. This question has been worded very specifically with the works "goes above 70%". This disqualifies the answer that stated "great than or equal to 70%". The AWS exam will have very tricky questions like this.

NEW QUESTION 23
Thomas is managing the access rights and credentials for all the employees that have access to his company's AWS account. This morning, his was notified that some of these accounts may have been compromised, and he now needs to change the password policy and re-generate a new password for all users. What AWS service does Thomas need to use in order to accomplish this?
Choose the Correct Answer

• A. Policy and Access Management
• B. Elastic Cloud Compute
• C. Access Management
• D. None of the abov

Answer: D

Explanation:
Identity and Access Management (IAM) is the AWS service where password policies and user credentials are managed. (Policy and Access Management as a service does not exist).

NEW QUESTION 24
What you create and S3 bucket, what rules must be followed regarding the bucket name? (Select all that apply) Choose the 2 Correct answers:

• A. Bucket names must be unique across all of AWS.
• B. Bucket names must be between 3-63 characters in length.
• C. Bucket names must contain at least one uppercase letter
• D. Bucket names can be formatted as IP addresses

Answer: AB

Explanation:
Although certain regions do allow for uppercase letters in the bucket name, uppercase letters are NOT required. Also, a bucket name cannot be formatted as an IP address.

NEW QUESTION 25
John, member of your company's development team, needs access to company's AWS account. What AWS service is used to manage such access?
Choose the Correct Answer

• A. S3
• B. Route 53
• C. IAM
• D. EC2

Answer: C

Explanation:
Identity & Access Management (IAM) is the AWS service where user accounts, credentials, and service access is managed.

NEW QUESTION 26
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