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AWS Cloud Practioner(CLF-C02) > Storage Technology and Services > Flashcards

Storage Technology and Services Flashcards

1
Q

What does EC2 stand for?

A

Elastic Compute Cloud

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2
Q

What is EBS?

A

Elastic Block Store

It’s directly connected to your EC2.
- data stays intact even when ec2 instance is stopped
- Highly Available and Durable
- Scalable

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3
Q

What is the Use Case of Elastic Block Store (EBS)?

A

Hosting Relational or NoSQL Databases
Data warehousing
ERP and CRM applications

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4
Q

What is EFS?

A

Elastic File System
It’s a scalable file storage systems for ec2 (and other service)

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5
Q
A
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6
Q

What is the use case of Elastic File System (EFS)?

A
  • Content management
  • Data analytics applications
  • Development and testing environments
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7
Q

What are EC2 instance stores?

A

Temporary storage
- High I/O Performance
- Temporary Storage
- No extra cost, it’s included with the EC2 instance

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8
Q

When to use EC2 instance stores?

A
  • Temporary storage (cache and buffers)
  • Write and discard large amounts of data
  • Storage between multipleEC2 instances
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9
Q

What is S3 and what does it stand for?

A

S3 stands for Simple Storage Service

it’s a Scalable, secure, and versatile storage solution

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10
Q

What 3 things a stored in a S3 bucket?

A

1) A key
2) (the real) data
3) meta-data

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11
Q

S3 - Standard Storage Class
Retrieval times, fee differences, one or multiple AZ’s?

A
  • Frequently used data (fast retrieval time/ low latency)
  • ## Multiple AZ’s
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12
Q

S3 - Intelligent tiering Class
Retrieval times, fee differences, one or multiple AZ’s?

A
  • Data with unpredictable excess patterns
  • Moves it between different S3 classes
  • Fee can save money
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13
Q

S3 - Standard-Infrequent Access Class
Retrieval times, fee differences, one or multiple AZ’s?

A

user for data less frequently need, but when needed rapid access is required.

  • Number of AZ’s:
  • Pricing:
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14
Q

S3 - One Zone-infrequent Access Class
Retrieval times, fee differences, one or multiple AZ’s?

A
  • used for data that isn’t to important or is easy reproducible (like a thumbnail)
  • Sores data in 1 AZ
  • It’s cost effective
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15
Q

S3 - Glacier Instant Retrieval Class
Retrieval times, fee differences, one or multiple AZ’s?

A
  • used for archive storage
  • Quick retrieval
  • Lowest cost for long time storage
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16
Q

S3 - Glacier Flexible Retrieval Class
Retrieval times, fee differences, one or multiple AZ’s?

A
  • Used for archive storage that’s excessed 1-2 times a year
  • ‘slow’ retrieval

-

17
Q

S3 - Glacier deep archive Class
Retrieval times, fee differences, one or multiple AZ’s?

A
  • Archive storage for data you nearly don’t need
  • cheapest storage for long term data
  • retrieval is slow(!) can take up to 12 hours/

Used to save datasets that need to be saved for regulations. For example health care or tax.

18
Q

What are the rules for Bucket naming?

A

the bucket name has to be globally unique

19
Q

What are Bucket permissions?

A

The bucket policy contains permission for any user (real users and for example EC2 instances) to access the bucket

20
Q

What is Bucket versioning?

A

Recover easily previous bucket versioning.

21
Q

What is FSx?

A

is a storage shelf to support specific Windows Windows Workloads?

Fully Managed Windows File System
Build on windows servers

22
Q

What is Elastic Disaster Recovery?

A

It’s a backup service to make sure:
- Business continuity
- Protects you from data disruptions
- and it’s flexible and adaptable

23
Q

What are the 2 EBS Volume types?

A
  • SSD (faster, more expensive, quick operations
  • HHD (slower, cost efficient, throughput tasks)
24
Q

What are snapshots?

A
  • is an incremental Backup
  • via this way you can quicky restore and launch a volume
  • snapshots can be selled to other AWS accounts
  • Cost-effective
25
Q

What is AWS Storage Gateway?

A

is a hybrid Storage service. That bring local data to the AWS cloud

26
Q

Benefits of the AWS Storage Gateway

A
  • No need to store data yourself on premise
  • Cost effective
  • Secure, data is encrypted
  • Seamless integration with existing applications
27
Q

name 4 types of Storage Gateways

A

-S3 file gateway
- Volume Gateay
- Tape gateway
- FSx File Gateway

28
Q

What is AWS Backup?

A

AWS backup created automated and centralized data protection
It integrates with various AWS services.

It backs up:

EC2, Elastic Block Store Volumes. RDS, DynamoDB tables, Elastic file system, FSx file systm, storage gateway volumes

29
Q

What are the Core features AWS Backup

A
  • Centralized Backup management
  • Automated Backup Scheduling
  • Encryption & compliance
  • Cross-region and account backup.

AWS Cloud Practioner(CLF-C02) (11 decks)

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