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</p> Signup and view all the answers

    After an instance is terminated, can you restart it?

    <p>cannot</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</p> Signup and view all the answers

    What does S3 stand for in AWS?

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

    What does EC2 provide in AWS?

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

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

    <p>Savings Plans</p> Signup and view all the answers

    What does AMI stand for in AWS?

    <p>Template</p> Signup and view all the answers

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

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

    What type of service is AWS EC2 known for providing?

    <p>Virtualization service</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</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.</p> Signup and view all the answers

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

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

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

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

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

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

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

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

    What benefits do Savings Plans provide in AWS?

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

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