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AWS Cloud Practitioner > Udemy Missed Practice Test Questions > Flashcards

Udemy Missed Practice Test Questions Flashcards

1
Q

Which of the following services may not be required when building auto-scalable architecture in AWS?

A

Cloudwatch
– (S3) –
Autoscaling
AWS EC2

Explanation
The user can achieve automated scalability by configuring the AutoScaling service to run the required number of EC2 instances based on the conditions that he define. Cloudwatch is used to monitor the utilization of the running instances and allow AutoScaling to automatically scale up (by launching more instances) or down (by terminating instances) based on changes on demand.

Based on the application requirements, a developer may decide not to use S3. The storage resource in this case will be the EBS volumes that are attached to the Amazon EC2 instances.

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2
Q

Hundreds of thousands of DDoS attacks are recorded every month worldwide. What does AWS provide to protect from these attacks?

A

AWS Shield
Elastic Load Balancing

Explanation
AWS provides flexible infrastructure and services that help customers implement strong DDoS mitigations and create highly available application architectures that follow AWS Best Practices for DDoS Resiliency. These include services such as Amazon Route 53, Amazon CloudFront, Elastic Load Balancing, and AWS WAF to control and absorb traffic, and deflect unwanted requests. These services integrate with AWS Shield, a managed DDoS protection service that provides always-on detection and automatic inline mitigations to safeguard web applications running on AWS.

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3
Q

What Amazon services produce DDos resiliency and detection?

A

Amazon Shield, Amazon Route 53, Amazon CloudFront, Elastic Load Balancing, and AWS WAF. Used to control and absorb traffic, and deflect unwanted requests.

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4
Q

You want to run a questionnaire application for only one day (without interruption), which AWS EC2 purchase option would you choose?

A

On-demand instances

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5
Q

In order to implement best practices when dealing with a “Single Point of Failure,” you should aim to build as much automation as possible in both detecting and reacting to failure. Which of the following AWS services would help? (Choose two)

A

ELB

Auto Scaling

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6
Q

One of the benefits of the AWS Cloud is that there are many services available to use of which you don’t need to manage their underlying infrastructure. Which of the following are examples of these services? (Choose TWO)

A

Amazon Elastic MapReduce
Amazon DynamoDB
The Amazon Elastic

MapReduce and DynamoDB are managed services that you don’t need to manage their underlying infrastructure. Other managed services include: Amazon S3, Amazon RDS, Amazon Redshift, Amazon WorkSpaces, Amazon CloudFront, Amazon CloudSearch and several other services.

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7
Q

Which statement is true regarding the AWS shared responsibility model?

A

Responsibilites vary depending on the services used.

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8
Q

What is the AWS database service that allows you to upload data structured in key-value format?

A

DynamoDB

DynamoDB is AWS’ NoSQL database offering. NoSQL databases are used for non-structured data that are typically stored in JSON-like, key-value documents.

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9
Q

What is Amazon’s NoSQL database service?

A

DynamoDB

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10
Q

An organization has decided to reserve EC2 compute capacity for three years to get more discounts. Their application workloads are likely to change during this time period. What is the EC2 Reserved Instance (RI) type that allows them to change the attributes of the RI whenever they need?

A

Convertible Rls

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11
Q

Your logs show that one or more AWS-owned IP addresses are sending packets to multiple ports on your server, and you believe this is an attempt to discover unsecured ports. What should you do?

A

Contact the Amazon Abuse team.

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12
Q

What can the AWS Abuse team help you with?

A

Spam
Port Scanning
DoS Attacks
Intrusion attempts

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13
Q

Which of the following AWS Cloud services is designed with native Multi-AZ fault tolerance in mind? (Choose two)

A

Dynamo DB

Simple Storage Service (SSS)

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14
Q

Using Amazon RDS falls under the shared responsibility model. Which of the following are customer responsibilities? (Choose two)

A

Managing the Database Settings

Building the relational database.

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15
Q

Which Cloud Computing model removes the need for your organization to manage operating systems?

A

Platform as a Service (PaaS) removes the need for your organization to manage the underlying infrastructure (usually hardware and operating systems) and allows you to focus on the deployment and management of your applications.

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16
Q

What does Amazon ElastiCache provide?

A

ElastiCache is a web service that makes it easy to set up, manage, and scale a distributed in-memory data store or cache environment in the cloud.

17
Q

What is the Amazon RDS feature that allows for data redundancy across regions and improves disaster recovery?

A

RDS Read Replicas provide enhanced performance and durability for database (DB) instances. This feature makes it easy to elastically scale out beyond the capacity constraints of a single DB instance for read-heavy database workloads.

18
Q

Which of the following is one of the benefits of AWS security?

A

Scales Quickly

19
Q

Amazon Glacier is an Amazon S3 storage class that is suitable for storing ____________ & ______________. (Choose two)

A

Long term analytics

Active Archives

20
Q

Which of the following can be used to automate the management of multiple AWS services through scripts?

A

AWS Command Line Interface (CLI) is a unified tool to manage your AWS services. With just one tool to download and configure, you can control multiple AWS services from the command line and automate them through scripts.

21
Q

Amazon EBS vs EFS vs S3?

A

EBS is for a single EC2 Instance, EFS can work across EC2 Instances, S3 is used for is an object store good at storing vast numbers of backups or user files that is NOT limited to EC2.

Amazon S3 is commonly used to store media and content files.

22
Q

You are going to create a backup of your databases in another geographical location. Where would you create this backup?

A

In Another Region

23
Q

What are two benefits provided by the AWS Personal Health Dashboard?

A

A personalized View of Service Healt
Proactive Notifications
Detailed Troubleshooting Guidance

24
Q

What is Amazon SQS?

A

Amazon Simple Queue Service (SQS) is a fully managed message queuing service that enables you to send, store, and receive messages between software components at any volume, without losing messages or requiring other services to be available.

25
Q

What is Amazon SES?

A

Amazon SES (Amazon Simple Email Service) is a flexible, affordable, and highly-scalable email messaging platform for businesses and developers.

26
Q

What are three services that scale automatically without intervention?

A

S3
EFS
AWS Lambda

27
Q

Which support plans include the AWS Support Concierge Service?

A

Enterprise

28
Q

Which AWS support plan would help provide general guidance when you request Architecture Support?

A

Enterprise

29
Q

What are the benefits of using the AWS Relational Database Service?

A

Easily Scales
Support for six popular database engines — Amazon Aurora, PostgreSQL, MySQL, MariaDB, Oracle, and Microsoft SQL Server
Lower admin burden
Don’t have to worry about patching the database software, backing up databases, replication, or enabling point-in-time recovery.

30
Q

What are design principles for performance efficiency in the cloud?

A 
Democratize advanced technologies.
Go global in minutes.
Use serverless architectures.
Experiment more often.
Mechanical sympathy.
31
Q

What is the DynamoDB replication technology that provides fast read/write performance for globally-deployed applications?

A

global tables

32
Q

Which of the following can be used to process a large number of binary files while following the AWS well-architected design principles?

A

Parallel EC2 Instances

33
Q

What is Amazon Connect?

A

A cloud-based contact center solution. Amazon Connect makes it easy to set up and manage a customer contact center and provide reliable customer engagement at any scale. You can set up a contact center in just a few steps, add agents from anywhere, and start to engage with your customers right away.

34
Q

What is AWS Kinesis?

A

Amazon Kinesis makes it easy to collect, process, and analyze real-time, streaming data so you can get timely insights and react quickly to new information.

AWS Cloud Practitioner (9 decks)

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