The Secret Of Amazon-Web-Services CLF-C01 Prep

NEW QUESTION 1
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 2
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 3
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 4
In the AWS Shared Responsibility Model, what is AWS responsible for? (Select all that apply) Choose the 2 Correct answers:

• A. Physical security of the AWS data centers
• B. Server-side encryption
• C. Network level security
• D. The maintenance of the hosts virtualization softwar

Answer: AD

NEW QUESTION 5
If you are using an on-demand EC2 instance, how are you being charged for it?
Choose the Correct Answer

• A. You are charged per second, based on an hourly rate, and there are no termination fees.
• B. You are charged by the hour and must pay a partial upfront fee.
• C. You must commit to a one or three year term and pay upfront.
• D. You are charged per second, based on an hourly rate, and there is a termination fe

Answer: A

Explanation:
On-demand EC2 instances are exactly that, on-demand. There are no upfront or termination fees, and you are charged for each second of usage (based on an hourly rate).

NEW QUESTION 6
What term best describes the AWS pricing model?
Choose the Correct Answer

• A. Pay-all-up-front
• B. Pay-as-you-go
• C. Pay-all-at-end
• D. None of the above

Answer: B

Explanation:
AWS operates on a pay-as-you-go model. No upfront cost or termination fees.

NEW QUESTION 7
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 8
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 9
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 10
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 11
Jacky is creating a website using AWS infrastructure. She has a great idea for a domain name but needs to see if it's available and, if so, register it. What AWS service will allow her to do this?
Choose the Correct Answer

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

Answer: D

Explanation:
Route 53 is AWS's domain and DNS management service. (DomainServices does not exist).

NEW QUESTION 12
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 13
Which of the following are AWS Support Plans? (Select all that apply) Choose the 3 Correct answers:

• A. Enterprise
• B. Expert
• C. Basic
• D. Business

Answer: ACD

Explanation:
AWS has four support plan levels: Basic Developer Business Enterprise

NEW QUESTION 14
What is the relationship between AWS global infrastructure and the concept of high availability?
Choose the Correct Answer

• A. AWS is centrally located in one location and is subject to widespread outages if something happens at that one location.
• B. AWS regions and Availability Zones allow for redundant architecture to be placed in isolated parts of the world.
• C. Each AWS region handles a different AWS services, and you must use all regions to fully use AWS.
• D. None of the above

Answer: B

Explanation:
As an AWS user, you can create your applications infrastructure and duplicate it. By placing duplicate infrastructure in multiple regions, high availability is created because if one region fails you have a backup (in a another region) to use.

NEW QUESTION 15
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 16
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 17
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