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AWS Certifications > Developer Associate > Flashcards

Developer Associate Flashcards

1
Q

General purpose EC2 instance types

A

Mac, T, M, A1

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2
Q

Compute optimized EC2 instance types

A

C*

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3
Q

Memory optimized EC2 instance types

A

R, X, High Memory, Z*

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4
Q

Accelerated computing EC2 instance types

A

P, Inf, G, F

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5
Q

Storage optimized EC2 instance types

A

I, D, H*

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6
Q

Purpose of M-type EC2 instances

A

General purpose; stable, day-to-day tasks

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7
Q

Purpose of T-type EC2 instances

A

General purpose; burstable, for spiky and unstable tasks.

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8
Q

Purpose of A-type EC2 instances

A

General purpose; low-cost and ARM based with Graviton processors

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9
Q

Purpose of C-type EC2 instances

A

Compute intensive; double the CPU density per RAM compared to M type instances

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10
Q

Purpose of R-type EC2 instances

A

Memory oriented; Double the memory compared to M type instances

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11
Q

Purpose of X-type EC2 instances

A

Memory oriented; Extreme memory capacity

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12
Q

Purpose of High memory-type EC2 instances

A

Memory oriented; Meant for large in-memory databases

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13
Q

Purpose of Z-type EC2 instances

A

Memory oriented; with a high compute capacity as well

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14
Q

Purpose of P-type EC2 instances

A

Accelerated computing; GPU acceleration enabled

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15
Q

Purpose of G-type EC2 instances

A

Accelerated computing; GPU acceleration enabled

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16
Q

Purpose of Inf-type EC2 instances

A

Accelerated computing; Machine learning inference applications

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17
Q

Purpose of F-type EC2 instances

A

Accelerated computing; Field programmable gate arrays

18
Q

Purpose of I-type EC2 instances

A

Storage optimized; High IOPS

19
Q

Purpose of D-type EC2 instances

A

Storage optimized; Disk space

20
Q

Purpose of H-type EC2 instances

A

Storage optimized; High throughput

21
Q

EBS volume types

A

General purpose SSD (GP2), Provisioned IOPS SSD (IO1), Throughput Optimized HDD (ST1), Cold HDD (SC1), Magnetic (Standard)

22
Q

When to use Memcached

A

If you’re looking for as simple a caching model as possible, if you’re planning on running large cache nodes and require multithreaded performance, or if you want the ability to scale your cache horizontally

23
Q

When to use Redis

A

If you’re looking for more advanced data types (lists, hashes, and sets), if you need sorting and ranked datasets, if persistence is important, if you want to run in multiple AWS availability zones with failover, or if you need pub/sub capabilities

24
Q

S3 access control mechanisms

A

Bucket policies (applied at a bucket level) and access control lists (applied at an object level)

25
Q

Forms of server-side encryption for S3

A

SSE-S3, SSE-KMS, SSE-C

26
Q

Types of CloudFront distros

A

web distributions and RTMP (real time messaging protocol)

27
Q

Maximum size of an SQS message

A

256KB

28
Q

Default SQS visibility timeout

A

30 seconds

29
Q

Maximum SQS visibility timeout

A

12 hours

30
Q

Maximum SQS long polling wait time

A

20 seconds

31
Q

Kinesis shard read rate

A

5 read transactions per second, up to 2MB/s

32
Q

Kinesis shard write rate

A

Up to 1,000 write transactions per second, up to 1 MB/s

33
Q

Elastic Beanstalk deployment options

A

All at once, rolling, rolling with additional batch, immutable

34
Q

Location of Elastic Beanstalk configuration files

A

.ebextensions, in root of project

35
Q

Extension of Elastic Beanstalk configuration files

A

.config

36
Q

CodeDeploy deployment strategies

A

in-place (rolling), blue/green

37
Q

ECS CodeDeploy lifecycles

A

BeforeInstall, AfterInstall, AfterAllowTestTraffic, BeforeAllowTraffic, AfterAllowTraffic

38
Q

Lambda CodeDeploy lifecycles

A

BeforeAllowTraffic, AfterAllowTraffic

39
Q

EC2 in-place deployment CodeDeploy lifecycles

A

BeforeBlockTraffic, AfterBlockTraffic, ApplicationStop, BeforeInstall, AfterInstall, ApplicationStart, ValidateService, BeforeAllowTraffic, AfterAllowTraffic

40
Q

EC2 blue/green deployment CodeDeploy lifecycles

A

ApplicationStop, BeforeInstall, AfterInstall, ApplicationStart, ValidateService, BeforeAllowTraffic, AfterAllowTraffic, BeforeBlockTraffic, AfterBlockTraffic

AWS Certifications (1 decks)

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