batch1-nri-quiz-aws-efs

How much data can you store in Amazon EFS File Systems:

• megabytes

• gigabytes

• petabytes

• terabytes

Can I access Amazon EFS from Amazon Elastic Container Service (Amazon ECS) containers?

• TRUE

• FALSE

Which of the following answer is not true. How is Amazon EFS designed to provide high durability and availability?

• Every file system object (i.e. directory, file, and link) is redundantly stored across multiple Availability Zones.

• File system can be accessed concurrently from all Availability Zones in the region where it is located

• you can architect your application to failover from one AZ to other AZs in the region in order to ensure the highest level of application availability

• Amazon EFS supports one to five hundreds of Amazon EC2 instances

What type of locking does Amazon EFS support?

• Locking in Amazon EFS follows the NFSv4.1 protocol for advisory locking

• Locking in Amazon EFS follows the NFSv4.4 protocol for advisory locking

• Locking in Amazon EFS enables your applications to use only byte range locks.

• Locking in Amazon EFS using md5 encryption

Which of the following statement is true

• The Amazon EFS SLA provides for a service credit if a customer's monthly uptime percentage is below our service commitment in any billing cycle.

• You can administer a file system AWS Data Management Console

• Locking in Amazon EFS follows the NFSv4.4 protocol for advisory locking

• File system cannot be accessed concurrently from all Availability Zones

Concurrently, how many Amazon EC2 instances can connect to a file system?

• one to thousands of EC2 instances

• one to five hundreds EC2 instances

• zero to ten thousands of EC2 instances

• zero to five hundreds of EC2 instances

Amazon EFS provides a file system interface, file system access semantics (such as strong consistency and file locking), and concurrently-accessible storage for up to thousands of Amazon EC2 instances.

• TRUE

• FALSE

Which of the following answer is not right. You can administer a file system via:

• the AWS Management Console

• the AWS command-line interface (CLI)

• the Amazon EFS API (and various language-specific SDKs)

• the Elastic Beanstalk

What is the AWS Key Management Service (KMS)?

• AWS KMS is a NFSv4.1 protocol for advisory locking

• AWS KMS is a key of redundant file system object

• AWS KMS is a key for Amazon EC2 Linux-based instance using the standard Linux mount command

• AWS KMS is a managed service that makes it easy for you to create and control the encryption keys used to encrypt your data

Which of the following statement is correct.

• Amazon EFS’s distributed nature enables high levels of availability, durability, and scalability.

• Amazon EFS’s distributed architecture results in a higher latency overhead for each file operation.

• Amazon EFS’s distributed overall throughput generally decrease as the average I/O size increases

• Amazon EFS's support for highly serialized workloads