NEW QUESTION 1
What AWS service uses Edge Locations for content caching?
Choose the Correct Answer

• A. ElastiCache
• B. Route 53
• C. CloudFront
• D. CloudCache

Answer: C

Explanation:
CloudFront is a content caching service provided by AWS that utilizes "Edge Locations," which are AWS data centers located all around the world.

NEW QUESTION 2
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 3
Karen is building a website that is expected to have a minimum of 1000 users continually over the course of 24 hours. For 8 hours each day, traffic is expected to be at about 1800 users. What EC2 buying options should she use to handle all the traffic and be most cost-effective?
Choose the Correct Answer

• A. Karen should rely solely on spot instances since that will be the cheapest option.
• B. Karen should buy enough reserved instance capacity to handle all 1800 users and probably buy a little more capacity just in case it is needed.
• C. Karen should buy reserved instances with enough capacity to cover the baseline of 1000 users, then rely on on-demand instances for the 8 hour period of increased traffic each day.
• D. Karen should buy reserved instances with enough capacity to cover the baseline of 1000 users, then rely on spot instances for the 8 hour period of increased traffic each day.

Answer: C

Explanation:
Reserved instances should used use to handle the expected baseline traffic to the website. Reserved instances (in 1/3 year term) can be purchased as a significant discount over on-demand instances. Any varying traffic above the baseline should be handled with on-demand instance (since they can be added/removed at any time, based on current demand). Spot instances should not be used in this scenario.

NEW QUESTION 4
If you have a large collection of reproducible objects, which S3 storage class should you use if low cost is your priority?
Choose the Correct Answer

• A. Glacier
• B. Standard
• C. Reduced Redundancy
• D. None of the above

Answer: C

Explanation:
The reduced redundancy storage class has the lowest durability of all the storage classes. This means object stored in this storage class have the highest probability of being lost. So you should only store objects in this storage class if they can be easily reproduced. In exchange for the lower durability, the cost is lower than the standard storage class.

NEW QUESTION 5
What does TCO stand for?
Choose the Correct Answer

• A. Tally of Cost Ownership
• B. Total Continual Ownership
• C. The Cost of Ownership
• D. None of the above

Answer: D

Explanation:
TCO stand for Total Cost of Ownership.

NEW QUESTION 6
Which of the following will effect how much you are charged for storing objects in S3? Choose the 2 Correct answers:

• A. The storage class used for the objects stored.
• B. Encrypting data (objects) stored in S3.
• C. Creating and deleting S3 buckets
• D. The total size in gigabytes of all objects store

Answer: AD

NEW QUESTION 7
Consolidated billing is managed through what AWS service?
Choose the Correct Answer

• A. AWS TCO
• B. AWS Billing Manager
• C. AWS Consolidated Management
• D. AWS Organizations

Answer: D

Explanation:
AWS Organizations is where you can manage multiple AWS accounts in one place (including it's billing features, such as consolidated billing).

NEW QUESTION 8
You notice that five of your 10 S3 buckets are no longer available in your account, and you assume that they have been deleted. You are unsure who may have deleted them, and no one is taking responsibility. What should you do to investigate and find out who deleted the S3 buckets?
Choose the Correct Answer

• A. Look at the S3 logs.
• B. Look at the CloudTrail logs.
• C. Look at the CloudWatch Logs.
• D. Look at the SNS log

Answer: B

Explanation:
CloudTrail is logging service that logs actions taken by AWS users in your AWS account, such as creating/deleting S3 buckets, starting/stopping EC2 stances, etc.

NEW QUESTION 9
What are the main benefits of On-Demand EC2 instances? (Select all that apply) Choose the 2 Correct answers:

• A. They are the cheapest buying option.
• B. They are the most filexible buying option.
• C. They require 1-2 days for setup and configuration.
• D. Create, start, stop, and terminate at any tim

Answer: BD

Explanation:
On-demand EC2 instances are widely used due to their filexibility. You can create, start, stop, and terminate at any time (with no startup or termination fees). Although due to this filexibility, they are the most expensive buying option.

NEW QUESTION 10
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 11
You have just set up a brand new AWS account. You want to keep monthly billing under $100, but you are worried about going over that limit. What can you set up in order to be notified when the
monthly bill approaches $100?
Choose the Correct Answer

• A. A CloudTrail billing alarm that triggers an SNS notification to your email address.
• B. A SNS billing alarm that triggers a CloudWatch notification to your email address.
• C. A CloudWatch billing alarm that triggers an SNS notification to your email address.
• D. A CloudWatch billing alarm that triggers a CloudTrail notification to your email addres

Answer: C

Explanation:
In CloudWatch, you can set up a billing alarm that will trigger when your monthly bill hit the set threshold. That alarm can then be set up to trigger an SNS topic that will send you a notification that the alarm threshold as been met.

NEW QUESTION 12
If you want to easily share a file with a friend, family or coworker, what AWS solution should you use?
Choose the Correct Answer

• A. Mail them a flash drive with the file on it.
• B. Create an EC2 instance and give provide login credentials so others can access the file.
• C. Upload the object to S3 and share it via its object's S3 public object URL.
• D. None of the abov

Answer: C

Explanation:
You can easily share objects uploaded into S3 by provided others with the object's URL.

NEW QUESTION 13
S3 storage classes are rated by what two metric categories? (Select two) Choose the 2 Correct answers:

• A. Objectivity
• B. Durability
• C. Availability
• D. Fault tolerance

Answer: BC

Explanation:
Each S3 storage class is rated on its availability and durability.

NEW QUESTION 14
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 15
You have been tasked by your department head to upload a batch of files to an S3 bucket; however, when you select S3 on the AWS console, you see a notification stating that you do not have permission to access S3. What is the most probable cause of this error?
Choose the Correct Answer

• A. It takes 24 hours go get access to S3.
• B. The S3 service is currently down for maintenance.
• C. You do not have an S3 access policy attached to your IAM user.
• D. Your boss has not enabled proper bucket permission

Answer: C

Explanation:
If you get an error stating that you do not have proper permissions to access/use and AWS service, then most likely your IAM user does not have the proper permission policy attached.

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
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 18
What are the benefits of AWS Organizations? (Select all that apply)
Choose the 2 Correct answers:

• A. Analyze cost across all multiple AWS accounts.
• B. Automate AWS account creation and management.
• C. Centrally manage access polices across multiple AWS accounts.
• D. None of the abov

Answer: BC

Explanation:
AWS Organizations has four main benefits: 1) Centrally manage access polices across multiple AWS accounts. 2) Automate AWS account creation and management. 3) Control access to AWS services 4) Enable consolidated billing across multiple AWS accounts Analyzing cost is done through the Cost Explorer (or TCO calculator), which is not part of AWS Organizations.

NEW QUESTION 19
Kim is managing a web application running on the AWS cloud. The application is currently utilizing eight EC2 servers for its compute platform. Earlier today, two of those web servers crashed; however, none of her customer were effected. What has Kim done correctly in this scenario?
Choose the Correct Answer

• A. Properly built an elastic system.
• B. Properly built a scalable system
• C. Properly build a fault tolerant system.
• D. None of the abov

Answer: C

Explanation:
A fault tolerant system is one that can sustain a certain amount of failure while still remaining operational.

NEW QUESTION 20
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 21
Tracy has created a web application, placing it's underlining infrastructure in the N. Virginia (US-East-
1) region. After several months, Tracy notices that much of the traffic coming to her website is coming from Japan. What can Tracy do to (best) help reduce latency for her users in Japan?
Choose the Correct Answer

• A. Copy the current VPC and located in US-East-1 and ask AWS to move it to a region closest to Japan
• B. Create a and manage a complete duplicate copy of the web application and its infrastructure in a region closest to Japan.
• C. Create a CDN using CloudFront, making sure the proper content is cached at Edge Locations closest to Japan.
• D. Create a CDN using CloudCache, making sure the proper content is cached at Edge Locations closest to Japan.

Answer: C

Explanation:
CloudFront is AWS's content delivery network (CDN) service. You can use it to cache web content at edge locations what are closest to you customers. This will decrease latency for the customer and improve overall performance.

NEW QUESTION 22
What SQL database engine options are available in RDS? (Select all that apply) Choose the 3 Correct answers:

• A. MariaDB
• B. PostreSQL
• C. MongoDB
• D. MySQL

Answer: ABD

Explanation:
RDS offers the following SQL options: Aurora MySQL MariaDB PostreSQL Oracle Miscrosft SQLServer

NEW QUESTION 23
What MUST you do before you do any penetration testing on your account?
Choose the Correct Answer

• A. Penetration testing is now allowed.
• B. Contact AWS and let them know first.
• C. Nothing, you are free to do penetration testing whenever you like.
• D. None of the above

Answer: B

Explanation:
You must contact AWS before doing any penetration testing on your account. If you do not notify AWS first, they may shut down your account.

NEW QUESTION 24
Donna needs to provision a Linux server to run a web application on. What AWS service should she use to create the Linux server?
Choose the Correct Answer

• A. VPC
• B. Lambda
• C. IAM
• D. EC2

Answer: D

Explanation:
Elastic Cloud Compute (EC2) is AWS server-based compute service platform. You can use it to provision and use Linux- and Windows-based servers.

NEW QUESTION 25
......