NEW QUESTION 1
You are trying to organize and import (to AWS) gigabytes of data that are currently structured in JSON-like, name-value documents. What AWS service would best fit your needs?
Choose the Correct Answer

• A. Lambda
• B. Aurora
• C. RDS
• D. DynamoDB

Answer: D

Explanation:
DynamoDB is AWS's NoSQL database offering. NoSQL databases are for non-structured data that are typically stored in JSON-like, name-value documents.

NEW QUESTION 2
What is the major difference between AWS's RDS and DynamoDB database services?
Choose the Correct Answer

• A. RDS offers NoSQL database options, and DynamoDB offers SQL database options.
• B. RDS offers on SQL database option, and DynamoDB offers many NoSQL database options.
• C. RDS offers SQL database options, and DynamoDB offers a NoSQL database option.
• D. None of the above

Answer: C

Explanation:
RDS is a SQL database service (that offers several database engine options), and DynamoDB is a NoSQL database option that only offers one NoSQL engine.

NEW QUESTION 3
What are the four primary benefits of using the cloud/AWS?
Choose the Correct Answer

• A. Elasticity, scalability, easy access, limited storage.
• B. Fault tolerance, scalability, elasticity, and high availability.
• C. Unlimited storage, limited compute capacity, fault tolerance, and high availability.
• D. Fault tolerance, scalability, sometimes available, unlimited storage

Answer: B

Explanation:
Fault tolerance, scalability, elasticity, and high availability are the four primary benefits of AWS/the cloud.

NEW QUESTION 4
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 5
What best describes the difference between the TCO Calculator and the Cost Explorer?
Choose the Correct Answer

• A. The TCO Calculator help you analyze current AWS usage charges; the Cost Explorer helps you estimate the cost savings of using AWS.
• B. The TCO Calculator helps you estimate the cost savings of using AWS; the Cost Explorer help you analyze current AWS usage charges.
• C. The Cost Explorer helps you calculate hourly EC2 Usage cost; the TCO Calculator is a price list for each AWS service.
• D. The Cost Explorer is a price list for each AWS service; the TCO Calculator helps you calculate hourly EC2 Usage cost.

Answer: B

Explanation:
The TCO calculator is a free tool provided by AWS that allows you to estimate the cost savings of using AWS vs. using an on-premises data center. The Cost Explorer is a free tool that allows you to view charges of your cost (helps you analyze where you are spending money).

NEW QUESTION 6
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 7
How much data can you store in S3?
Choose the Correct Answer

• A. Storage capacity is virtually unlimited.
• B. You can store up to 1 petabyte of data.
• C. Each account is given 50 gigabytes of storage capacity and no more can be used.
• D. You can store up to 1 petabyte of data, then you are required to pay an additional fe

Answer: A

Explanation:
Although there is theoretically a capacity limit, as an S3 user, there is no limited on the amount of data you can store in S3.

NEW QUESTION 8
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 9
David is managing a web application running on dozens of EC2 servers. He is worried that if something goes wrong with one of the servers he will not know about it in a timely manner. What solution could you offer to help him keep updated on the status of his servers?
Choose the Correct Answer

• A. Configure each EC2 instance with a custom script to email David when any issues occur.
• B. Configure RDS notifications based on CloudWatch EC2 metric alarms.
• C. Enable CloudTrail to log and report any issues that occur with the EC2 instances.
• D. Configure SNS notifications based on CloudWatch EC2 metric alarm

Answer: D

Explanation:
CloudWatch is used to track metrics on all EC2 instances. Metric alarms can be configured to trigger SNS messages if something goes wrong.

NEW QUESTION 10
What best describes the concept of elasticity?
Choose the Correct Answer

• A. The ability for a system to grow in size, capacity, and/or scope.
• 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 and shrink based on demand.
• D. The ability for a system be accessible when you attempt to access i

Answer: C

Explanation:
Elasticity (think of a rubber band) defines a system that can easily (and cost-effectively) grow and shrink based on required demand.

NEW QUESTION 11
If you want to monitor the average CPU usage of your EC2 instances, which AWS service should you use?
Choose the Correct Answer

• A. CloudMonitor
• B. CloudTrail
• C. CloudWatch
• D. None of the above

Answer: C

Explanation:
CloudWatch is used to collect, view, and track metrics for resources (such as EC2 instances) in your AWS account.

NEW QUESTION 12
What are some common uses of AWS? (Select all that apply) Choose the 4 Correct answers:

• A. Networking
• B. Analytics
• C. Storage
• D. Virtualization

Answer: ABCD

Explanation:
All of the answers are common uses of AWS. AWS has thousands of different uses. In this course we discussed some of the major categories, including: Storage Compute Power Databases Networking Analytics Developer Tools Virtualization Security

NEW QUESTION 13
Under what circumstances would you choose to use the AWS service CloudTrail?
Choose the Correct Answer

• A. When you want to collect and view resource metrics.
• B. When you want to log what actions various IAM users are taking in your AWS account.
• C. When you want a serverless compute platform.
• D. When you want to send SMS notificaitions based on events that occur in your accoun

Answer: B

Explanation:
CloudTrail is AWS's logging service used to log actions taken by users in your AWS account.

NEW QUESTION 14
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 15
An Edge Location is a specialized AWS data center that works in conjunction with what AWS service?
Choose the Correct Answer

• A. Route 53
• B. CloudWatch
• C. Lambda
• D. CloudFront

Answer: D

Explanation:
CloudFront is comprised of a network of Edge Locations (which is where content is cached).

NEW QUESTION 16
What is the most common type of storage used for EC2 instances?
Choose the Correct Answer

• A. Elastic File System (EFS)
• B. EC2 Hard Drives
• C. Elastic Block Store (EBS)
• D. Magnetic Drive (MD)

Answer: C

Explanation:
EC2 instance have several different hard drive options. However, Elastic Block Store (EBS), which is a type of Network Attached Storage, is the most popular and widely used.

NEW QUESTION 17
If you want to learn about AWS architectural or security best practices, where will you find that type of information?
Choose the Correct Answer

• A. AWS Yellow Pages
• B. AWS Console Info Section
• C. AWS White Papers
• D. AWS Service Documentation

Answer: C

Explanation:
White papers are a collection of technical documents that outlines many AWS relevant topics.

NEW QUESTION 18
What are the benefits of DynamoDB? (Select all that apply) Choose the 3 Correct answers:

• A. Supports multiple known NoSQL database engines like MariaDB and Oracle NoSQL.
• B. Automatic scaling of throughput capacity.
• C. Single-digit millisecond latency.
• D. Supports both document and key-value store data model

Answer: BCD

Explanation:
DynamoDB does not use/support other NoSQL database engines. You only have access to use DynamoDB's built-in engine.

NEW QUESTION 19
Jeff is building a web application on AWS. He wants to make sure his application is highly available to his customers. What infrastructure components of the AWS cloud allow Jeff to accomplish this goal? (Select all that apply)
Choose the 2 Correct answers:

• A. Availability Zones
• B. Regional Zones
• C. Regions
• D. Data Locations

Answer: AC

Explanation:
As part of AWS' global infrastructure, Regions and Availability Zones allow for backups and duplicate components to be placed in seperate (isolated) areas of the globe. If one region/Availability Zone
were to fail, duplicates in other regions/Availability Zones can be used.

NEW QUESTION 20
What acts as an address (like a mailing address) for a web server located on a network?
Choose the Correct Answer

• A. DNS Server
• B. IP Address
• C. Common language domain name
• D. None of the above

Answer: B

Explanation:
An IP address is a severs address on a network. It is how traffic/request get routed to it (much like a piece of mail gets routed to your home).

NEW QUESTION 21
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