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AWS SAA Complement > Practice test 1 > Flashcards

Practice test 1 Flashcards

1
Q

Lambda@Edge runs closer …

A

… to the user location

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2
Q

How can you setup an origin fail over in CloudFront ?

A

Set up primary and a secondary origins. CloudFront automatically switches when the primary origin returns specific status code failures

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3
Q

What is HTTP code 504 ?

A

504 is Gateway Timeout

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4
Q

How can you alleviate occasional 504 errors in Cloud Front ?

A

Setting up origin fail over to a secondary origin

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5
Q

How to increase the Cache duration in Cloud Front ?

A

Add the Cache-Control max-age directive to your objects

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6
Q

Do you poll or do you subscribe to an SNS topic?

A

You subscribe

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7
Q

What do you do at the end of the test ?

A

Verify that you always selected TWO options when needed

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8
Q

S3 Hierarchy

A
  • S3 Standard
  • S3 Standard-IA
  • S3 Intelligent-Tiering
  • S3 One Zone-IA
  • S3 Glacier
  • S3 Glacier Deep Archive
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9
Q

What is Amazon DLM is used for ?

A

You can use Amazon Data Lifecycle Manager to automate the creation, retention, and deletion of EBS snapshots and EBS-backed AMIs.

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10
Q

IAM DB Authentication can be used to…

A

… authenticate users in RDS databases MySQL and PostgresSQL

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11
Q

How to better monitor and RDS database ?

A

Enable Enhanced Monitoring in RDS

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12
Q

How can you protect applications behind API Gateway from traffic spikes ?

A

Use throttling limits in API Gateway

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13
Q

Which custom metrics in CloudWatch need to be set up manually ?

A
  • Memory utilization
  • Disk swap utilization
  • Disk space utilization
  • Page file utilization
  • Log collection
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14
Q

Which EC2 Metric are available by default in CloudWatch ?

A
  • CPU Utilization
  • Network Utilization (Bytes in/out)
  • Disk reads and writes
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15
Q

What is AWS STS used for ?

A

AWS Security Token Service is used to generate temporary tokens

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16
Q

What is AWS WorkDocs ?

A

A way to share documents. It is like Google Drive or One Drive. Cannot be integrated with S3.

17
Q

Which is the first EC2 instance to be terminated in an Auto Scaling Group (ASG)

A

The EC2 instance launched from the oldest launch configuration.

Note: I think it first tries to balance the AZ, so it would choose the AZ with most instances and then choose an instance from there.

18
Q

ASG instance termination order: (by default)

A
    • Choose AZ with the most instances
    • Use oldest launch configuration
    • Closest to the next billing hour
    • Random
19
Q

What is the AWS Nitro System ?

A

The underlying platform for our next generation of EC2 instances. It has completely re-imagined our virtualization infrastructure. Hypervisor in hardware.

20
Q

Nitro componentes ?

A
  • Nitro cards
  • Nitro security chip
  • Nitro Hypervisor
  • Nitro Enclaves
  • Nitro TPM
21
Q

How to invoke a lambda function from RDS ?

A

Use a native function or a stored procedure

22
Q

RDS Events provides events for…

A

Operational events such as DB instance events, DB parameter group, DB security,
It doesn’t trigger events for DML (inserts, updates and deletes)

23
Q

Command line flags supported by CloudTrail ?

A

–is-multi-region-trail and –include-global-service-events

24
Q

EBS Type for a database with high-throughput workloads performing small, random I/O operations

A

Provisioned IOPS SSD (io1)

25
Q

(SSD/HDD) Small random IO Operations

A

SSD

26
Q

(SDD/HDD) large sequential I/O operations

A

HDD

27
Q

(SDD/HDD) Throughput oriented storage for large volumes of data that is infrequently accessed

A

HDD

28
Q

SDD Dominant Performance Attribute

A

IOPS

29
Q

HDD dominant performance attribute

A

Throughput (MiB/s)

30
Q

AWS Directory Service AD Connector

A

AD Connector is a directory gateway with which you can redirect directory requests to your on-premises Microsoft Active Directory

AWS SAA Complement (9 decks)

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