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AWS SAA-C02 > Hybrid Environments and Migration > Flashcards

Hybrid Environments and Migration Flashcards

1
Q

What is AWS VPN?

A

A VPN connection between a VPC and an on prem network

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2
Q

What two gateways are used in VPN connection?

A

Virtual Private Gateway and Customer Gateway

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3
Q

What is the main advantage of VPN?

A

It is quick to configure, can be done in hours

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4
Q

What are downsides of VPN?

A

Speed cap at ~1.25 GB/s and inconsistent latency

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5
Q

What is Direct Connect (DX)?

A

A physical private link connecting your business premises to AWS public and private services.

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6
Q

What is the main downside of provisioning direct connect?

A

It’s a cable that has to be manually connected to a direct connect location - this can take weeks or months.

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7
Q

What’s the upside to direct connect compared to VPN?

A

Much faster and more consistent latency

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8
Q

Direct connect is (unencrypted/encrypted) by default

A

Unencrypted.

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9
Q

What is AWS Transit Gateway?

A

A network transit hub enabling VPCs to connect to on prem networks

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10
Q

What is the main advantage of AWS Transit Gateway?

A

Reduces complexity that comes with scale. Can link together multiple VPCs, VPN, dX, etc.

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11
Q

What does AWS Storage Gateway offer?

A

An extension of file and volume storage into AWS

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12
Q

What are the three modes of Storage Gateway?

A

Tape, File, and Volume

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13
Q

What Storage Gateway mode is backed by S3 and EBS snapshots?

A

volume

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14
Q

What Storage Gateway mode uses NFS file sharing protocol?

A

File

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15
Q

What Storage Gateway mode is primarily used for backup data e.g. Glacier?

A

Tape

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16
Q

What two capacities are offered by Snowball?

A

50 TB and 80 TB

17
Q

What snow device can be used where data processing or ingestion is needed?

A

Snowball Edge

18
Q

At what data size does AWS Snowmobile become worth using?

A

> = 10 PB of data

19
Q

Where does AWS Directory Service run?

A

Within a VPC

20
Q

What is Simple AD mode?

A

Integrates with AWS services, but not designed to integrate with existing on prem directory service

21
Q

What is AWS Managed Microsoft AD mode?

A

Supports apps that require specific Microsoft implementation.

22
Q

When might you use AD connector?

A

You want a proxy to your on prem directory without storing any directory info on cloud

23
Q

Why would you want to use AWS DataSync?

A

Transfer data to and from AWS

24
Q

What is the max transfer speed of AWS DataSync (per agent and per day)?

A

10 GBps per agent, 100 TB per day.

25
Q

What are the 3 components of DataSync?

A

Task, Agent, Location

26
Q

A DataSync ____ defines what is being synced

A

task

27
Q

A datasync ____ accepts values like S3, EFS, FSx

A

location

28
Q

What software is used to read or write to on prem data stores using datasync?

A

Agent

AWS SAA-C02 (18 decks)

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