CS194 ST1 Quiz: Networking and Cloud Computing Concepts
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Questions and Answers

What format should be chosen to save the private key for use with OpenSSH?

  • rsa
  • pem (correct)
  • rdp
  • ppk

Which component acts as a firewall for associated instances in Amazon EC2, controlling both inbound and outbound traffic at the instance level?

  • network settings
  • Security groups (correct)
  • Security groups (correct)
  • subnet

In what format should the private key be saved to be used with PuTTY?

  • rsa
  • ppk (correct)
  • pem
  • rdp

Which type of instance persists in Amazon EBS, allowing it to be restarted?

<p>hibernated (D)</p> Signup and view all the answers

After an instance is terminated, can you restart it?

<p>cannot (B)</p> Signup and view all the answers

Which feature of Amazon EC2 allows you to choose the CPU, memory, storage, and networking capacity needed for your applications?

<p>instance type (C)</p> Signup and view all the answers

What does S3 stand for in AWS?

<p>Simple Storage Service (B)</p> Signup and view all the answers

What does EC2 provide in AWS?

<p>Guest machine instances (D)</p> Signup and view all the answers

Which type of instances are included in Reserved Instances in AWS?

<p>Savings Plans (A), Savings Plans (C)</p> Signup and view all the answers

What does AMI stand for in AWS?

<p>Template (D)</p> Signup and view all the answers

Which of the following is not a type of cloud computing?

<p>Simple cloud (C)</p> Signup and view all the answers

What type of service is AWS EC2 known for providing?

<p>Virtualization service (A)</p> Signup and view all the answers

What is the best storage mechanism to keep data secure in a cost-effective manner for a period of seven years as per government regulations?

<p>Amazon Glacier (D)</p> Signup and view all the answers

How is data stored in Amazon S3 for high durability?

<p>Data is automatically replicated within a region. (A), Data is automatically replicated within a region. (D)</p> Signup and view all the answers

What will probably not affect the pricing for an AWS service?

<p>Requesting more AWS Regions (D)</p> Signup and view all the answers

Which pillar of the AWS Well-Architected Framework does implementing an Amazon EC2 Auto Scaling policy with an Application Load Balancer cover?

<p>Reliability (D)</p> Signup and view all the answers

What is a characteristic of Amazon EBS (Elastic Block Store)?

<p>It provides block-level storage volumes for use with EC2 instances. (D)</p> Signup and view all the answers

In Amazon Glacier, how is data retrieval speed typically compared to Amazon S3?

<p>Slower than Amazon S3 (B)</p> Signup and view all the answers

What action should be taken on the S3 bucket to enable cross-origin resource sharing (CORS)?

<p>Enable CORS (C)</p> Signup and view all the answers

What is a necessary step to provide users with signed URLs for accessing S3 resources?

<p>Enable cross-origin resource sharing (CORS) (C)</p> Signup and view all the answers

Which factor could influence a customer's decision when choosing an AWS Region for reduced latency?

<p>Data presentation (D)</p> Signup and view all the answers

What action occurs every Friday related to the company's databases?

<p>Update production databases (C)</p> Signup and view all the answers

Why might an EC2 instance need to be launched for only 40 minutes?

<p>To perform a specific task (B)</p> Signup and view all the answers

What is the benefit of making a commitment to a specific On-Demand instance configuration for 1 or 3 years?

<p>Reduced costs (C)</p> Signup and view all the answers

In an Auto Scaling group, what does the 'desired capacity' refer to?

<p>The number of instances currently running (D)</p> Signup and view all the answers

How do you log in securely to a Linux instance on AWS?

<p>Using a key pair (A)</p> Signup and view all the answers

What is the purpose of creating your own AMI (Amazon Machine Image)?

<p>To customize the operating system of the instance (C)</p> Signup and view all the answers

What role does public-key cryptography play in securing AWS instances?

<p>Encrypting login information for instances (A)</p> Signup and view all the answers

What benefits do Savings Plans provide in AWS?

<p>Receive discounted pricing on instance usage (D)</p> Signup and view all the answers

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