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AWS Associate Architect > Deck 1 > Flashcards

Deck 1 Flashcards

1
Q

The year that amazon.com moved to AWS

A

2010

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2
Q

The first service Amazon launched (not AWS) and the year

A

2004

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3
Q

The year AWS launched

A

2006

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4
Q

The year that Amazon launched the cert track

A

2013

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5
Q

The year of the first Re-Invent

A

2012

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6
Q

S3 file sizes

A

1byte - 5TB

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7
Q

S3 fundamental components besides Key and Value

A

Version
Metadata
ACL’s

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8
Q

S3 life cycle management minimum file size

A

128Kb

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9
Q

S3 life cycle management minimum days to transition to IA (Infrequent Access) and then to Glacier

A

30 days to migrate it to IA and then another 30 for Glacier

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10
Q

Types of in transit encryption offered by S3

A

TLS/SSL

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11
Q

Types encryption at rest offered on S3 beside client side encryption or encrypting before uploading

A

1) SSE-S3: server side encryption with Amazon managed keys (256 AES)
2) SSE-KMS: AWS Key Management Service (KMS) - you can create key and manage keys as well as access to audit logs
3) SSE-C: You provide the keys and Amazon does the encryption on the server side

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12
Q

Type of storage gateway that slow latency, stored locally and then asynchronously snapped back to S3 for offsite backups. Recoverable from EC2.

A

Gateway-Stored Volumes

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13
Q

Type of Storage Gateway that stores frequently accessed data locally and the rest on S3.

A

Gateway-Cached Volumes

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14
Q

Type of Storage Gateway that can be used to write iSCSI data to S3 or Glacier

A

Gateway-VTL (VTL S3 and Virtual Tape Shelf for Glacier)

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15
Q

Type of service that allows you to ship your own drive and import to S3, or EBS snapshots.

A

Import/Export Disk

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16
Q

Service for importing large amounts of data

A

Snowball

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17
Q

Snowball specs

A

TPM module protection with 256Bit encryption managed by Amazon KMS, up to 50TB. Currently only available in US and on S3

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18
Q

Storage service available for the export service

A

S3 only

19
Q

Website to view EC2 pricing

A

httpd://ec2.price.com

20
Q

EC2 Types

A

D-I-R-T M-C-G
(D)ense or Data, (I)OPS, (R)AM, (T)iny
(M)ain, (C)PU, (G)PU

21
Q

EC2 Instance that is the lowest cost good for web servers

A

T2 (Tini)

22
Q

EC2 Instance commonly used for application servers

A

M3/4 (Main)

23
Q

EC2 Instance optimized for memory - DB’s, Applications that need lots memory

A

R3 (RAM)

24
Q

EC2 Instance used for video encoding/app streaming

A

G2 (GPM)

25
Q

EC2 Instance used for dense storage applications such as file servers or data warehousing - Hadoop

A

D2 (Data or Dense)

26
Q

Types of EBS volumes

A

1) GP2 - General Purpose SSD
2) IO1 - Provisioned IOPS SSD
3) Magnetic (Standard) Ephemeral

27
Q

GP2 General Purpose EBS Specs

A
  • 99.999% (5 nines) availability
  • 3 IOPS/GiB (up to 10,000 IOPS)
  • Able to burst up to 3000 IOPS for volumes under 1TB
  • Max throughput of 160MiB/s
  • 1GiB to 16TiB Volume Sizes
28
Q

IO2 EBS Specs

A
  • Used for needs of > 10,000 IOPS
  • Large relational DB’s such as Mongo, SQL, MySQL…
  • Max throughput of 320MiB
  • up to 20,000 IOPS max
  • 4GiB to 16 TiB
29
Q

EBS Magnetic Storage (previously known as Standard Volumes)

A

Lowest Cost

  • Averages 100 IOPS burstable to hundereds
  • 40-90MiBs
  • 1GiB to 1TiB
30
Q

How much time are you you billed for if you run an EC2 instance for 5 minutes

A

The minimum charge is for 1 hour. If you pay spot prices and Amazon terminates the instance you get the hour for free

31
Q

Are you able to detach instance storage volumes

A

No. They cannot be detached and these types of volumes are know as Ephemeral (used for a short period of time)

32
Q

Which AWS service is specifically designed for developers to upload their code to and then it will automatically handle the provisioning of those resources that are required to host that code?

A

Elastic Beanstalk

33
Q

What AWS service is used for collating large amounts of data streamed from multiple sources?

A

Kinesis

34
Q

Service associated with Chef

A

OpsWorks

35
Q

Service to transcode media files

A

Elastic Transcoder

36
Q

What is the availability on RRS?

A

99.99%

37
Q

What is the durability on RRS?

A

99.99%

38
Q

What is the durability on S3?

A

99.999999999% (11 x 9’s)

39
Q

What is the availability on S3?

A

99.99%

40
Q

S3 has eventual consistency for which HTTP Methods?

A

Overwrite PUTS and DELETES

41
Q

How to prevent people from linking directly to images on you website that are stored on S3

A

Remove the ability for images to be served publicly to the site and then used signed URL’s with expiry dates.

42
Q

EC2. A placement group can be deployed across multiple Availability Zones. T/F

A

False. Placement groups are used for EC2 instances that require high network throughput and low latency across a single availability zone.

43
Q

Default amount of DNS zones you can create on route 53 before you have to call Amazon

A

50

AWS Associate Architect (4 decks)

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