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ag-SAA-CO2 - AWS Associate Architect > EFS > Flashcards

EFS Flashcards

1
Q

EFS is an acronym for

A

Elastic File System

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2
Q

How many EC2 instances can and EFS be connected to?

A

Unlimited!

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3
Q

Is EFS available in all regions?

A

Nope.

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4
Q

Does EFS automatically scale?

A

Yes

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5
Q

The two EFS storage classes are

A

Standard

Infrequent Access

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6
Q

The two EFS performance modes are

A

General purpose

Max IOPS

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7
Q

Max IOPS EFS can do in general purpose mode?

A

7k

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8
Q

Performance mode you use will be determined by…

A

IOPS

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9
Q

The two EFS Throughput Modes are

A

Bursting

Provisioned

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10
Q

How do you gain credits in EFS bursting throughout mode?

A

By operating below your baseline

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11
Q

How do you spend credits in EFS bursting mode?

A

When operating above your baseline

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12
Q

Your running out of bursting credits. In EFS. What to do?

A

Switched to provisioned throughout mode.

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13
Q

Two methods for mounting EFS

A

EFS Mount Helper

Linux client.

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14
Q

How do you install EFS mount helper?

A

Command Line.

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15
Q

How do you encrypt data in transit on EFS?

A

Using TLS.

The mount helper can do this for you.

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16
Q

How do you encrypt at rest in EFS

A

Check the box on creation.

17
Q

What does AWS data sync do?

A

Allow you to import data to EFS

18
Q

You need to move EFS data between regions. The best way to achieve this is?

A

AWS Data Sync

19
Q

EFS Bursting Throughput Mode: max burstsble speed?

A

100mibs

20
Q

Requirements of an EC2 instance which you want to connect to EFS?

A

It must have EC2 mount helper installed
It must be in the same VPC
It must share a security group with the EFS instance

21
Q

Is EFS fully managed?

A

Yes

22
Q

Is EFS object storage or file system?

A

File system

23
Q

EFS. If you want to access files at anytime, what storage class should you use?

A

Standard

24
Q

True or false. EFS Infrequent access storage class is charged per read and right?

A

True.

It’s meant to encourage infrequent access.

25
Q

EFS has two storage classes. Standard and Infrequent access. Do they have the same level of durability and reliability?

A

Yes.

26
Q

Requirements of an EC2 instance which you want to connect to EFS?

A

It must have EC2 mount helper installed
It must be in the same VPC
It must share a security group with the EFS instance

27
Q

EFS. What does lifecycle management do?

A

Automatically move files between the storage classes.

28
Q

To make a file publically available in an EFS would require…

A

An EC2 instance to mediate

ag-SAA-CO2 - AWS Associate Architect (47 decks)

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