Developer Associate

Question 1

General purpose EC2 instance types

Answer 1

Mac, T, M, A1

Question 2

Compute optimized EC2 instance types

Answer 2

C*

Question 3

Memory optimized EC2 instance types

Answer 3

R, X, High Memory, Z*

Question 4

Accelerated computing EC2 instance types

Answer 4

P, Inf, G, F

Question 5

Storage optimized EC2 instance types

Answer 5

I, D, H*

Question 6

Purpose of M-type EC2 instances

Answer 6

General purpose; stable, day-to-day tasks

Question 7

Purpose of T-type EC2 instances

Answer 7

General purpose; burstable, for spiky and unstable tasks.

Question 8

Purpose of A-type EC2 instances

Answer 8

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

Question 9

Purpose of C-type EC2 instances

Answer 9

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

Question 10

Purpose of R-type EC2 instances

Answer 10

Memory oriented; Double the memory compared to M type instances

Question 11

Purpose of X-type EC2 instances

Answer 11

Memory oriented; Extreme memory capacity

Question 12

Purpose of High memory-type EC2 instances

Answer 12

Memory oriented; Meant for large in-memory databases

Question 13

Purpose of Z-type EC2 instances

Answer 13

Memory oriented; with a high compute capacity as well

Question 14

Purpose of P-type EC2 instances

Answer 14

Accelerated computing; GPU acceleration enabled

Question 15

Purpose of G-type EC2 instances

Answer 15

Accelerated computing; GPU acceleration enabled

Question 16

Purpose of Inf-type EC2 instances

Answer 16

Accelerated computing; Machine learning inference applications

Question 17

Purpose of F-type EC2 instances

Answer 17

Accelerated computing; Field programmable gate arrays

Question 18

Purpose of I-type EC2 instances

Answer 18

Storage optimized; High IOPS

Question 19

Purpose of D-type EC2 instances

Answer 19

Storage optimized; Disk space

Question 20

Purpose of H-type EC2 instances

Answer 20

Storage optimized; High throughput

Question 21

EBS volume types

Answer 21

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

Question 22

When to use Memcached

Answer 22

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

Question 23

When to use Redis

Answer 23

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

Question 24

S3 access control mechanisms

Answer 24

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

Question 25

Forms of server-side encryption for S3

Answer 25

SSE-S3, SSE-KMS, SSE-C

Question 26

Types of CloudFront distros

Answer 26

web distributions and RTMP (real time messaging protocol)

Question 27

Maximum size of an SQS message

Answer 27

256KB

Question 28

Default SQS visibility timeout

Answer 28

30 seconds

Question 29

Maximum SQS visibility timeout

Answer 29

12 hours

Question 30

Maximum SQS long polling wait time

Answer 30

20 seconds

Question 31

Kinesis shard read rate

Answer 31

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

Question 32

Kinesis shard write rate

Answer 32

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

Question 33

Elastic Beanstalk deployment options

Answer 33

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

Question 34

Location of Elastic Beanstalk configuration files

Answer 34

.ebextensions, in root of project

Question 35

Extension of Elastic Beanstalk configuration files

Answer 35

.config

Question 36

CodeDeploy deployment strategies

Answer 36

in-place (rolling), blue/green

Question 37

ECS CodeDeploy lifecycles

Answer 37

BeforeInstall, AfterInstall, AfterAllowTestTraffic, BeforeAllowTraffic, AfterAllowTraffic

Question 38

Lambda CodeDeploy lifecycles

Answer 38

BeforeAllowTraffic, AfterAllowTraffic

Question 39

EC2 in-place deployment CodeDeploy lifecycles

Answer 39

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

Question 40

EC2 blue/green deployment CodeDeploy lifecycles

Answer 40

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