AWS-SysOps Practice Test

You are managing a legacy application Inside VPC with hard coded IP addresses in its
configuration.
Which two mechanisms will allow the application to failover to new instances without the
need for reconfiguration? Choose 2 answers

A.

Create an ELB to reroute traffic to a failover instance

B.

Create a secondary ENI that can be moved to a failover instance

C.

Use Route53 health checks to fail traffic over to a failover instance

D.

Assign a secondary private IP address to the primary ENIO that can be moved to a
failover instance

You need to design a VPC for a web-application consisting of an Elastic Load Balancer
(ELB). a fleet of web/application servers, and an RDS database The entire Infrastructure
must be distributed over 2 availability zones.
Which VPC configuration works while assuring the database is not available from the
Internet?

A.

One public subnet for ELB one public subnet for the web-servers, and one private
subnet for the database

B.

One public subnet for ELB two private subnets for the web-servers, two private subnets
for RDS

C.

Two public subnets for ELB two private subnets for the web-servers and two private
subnets for RDS

D.

Two public subnets for ELB two public subnets for the web-servers, and two public
subnets for RDS

You receive a frantic call from a new DBA who accidentally dropped a table containing all
your customers.
Which Amazon RDS feature will allow you to reliably restore your database to within 5
minutes of when the mistake was made?

A.

Multi-AZ RDS

B.

RDS snapshots

C.

RDS read replicas

D.

RDS automated backup

You use S3 to store critical data for your company Several users within your group
currently have lull permissions to your S3 buckets You need to come up with a solution mat
does not impact your users and also protect against the accidental deletion of objects.
Which two options will address this issue?
Choose 2 answers

A.

Enable versioning on your S3 Buckets

B.

Configure your S3 Buckets with MFA delete

C.

Create a Bucket policy and only allow read only permissions to all users at the bucket
level

D.

Enable object life cycle policies and configure the data older than 3 months to be
archived in Glacier

You are running a database on an EC2 instance, with the data stored on Elastic Block
Store (EBS) for persistence At times throughout the day, you are seeing large variance in
the response times of the database queries Looking into the instance with the isolate
command you see a lot of wait time on the disk volume that the database's data is stored
on.
What two ways can you improve the performance of the database's storage while
maintaining the current persistence of the data?
Choose 2 answers

A.

Move to an SSD backed instance

B.

Move the database to an EBS-Optimized Instance

C.

T Use Provisioned IOPs EBS

D.

Use the ephemeral storage on an m2 4xiarge Instance Instead