DFW EXAM CERTIFIED QUESTIONS AND
CORRECT ANSWERS!!
What happens if a user tries to schedule an auto-scaling event when another auto-scaling
event is scheduled?
Auto scaling will throw an error since there is a conflict in the schedule of the two separate auto
scaling processes
True or False: By default, it is possible to share an AMI between regions.
False. By default, AMIs cannot be shared across regions; they must be copied to the other region
and then shared.
What are the different identity providers available for AWS?
SAML and Open ID Connect
A user has created a VPC with a public subnet and seceurity group. The user has launched
an instance in that subnet. The user is still unable to connect to the instance, despite an
internet gateway being attached to the route table. What can be the reason for the error?
The elastic/public IP is not present
True or False: Server Order Preference is supported with the ELBSecurity Policy-2011-08
security policy.
False. It was only supported in 2014 and on.
Which API call is used to retrieve log events?
GetLogEvents
Is it possible to share a graph in CloudWatch?
Yes. You can share a graph from the Share Graph URL option in CloudWatch.
Is it possible to disable a CloudWatch alarm?
Yes, via the CLI:
aws cloudwatch disable-alarm-actions --alarm-names myalarm
, Can more than one RDS instance be launched under AWS free tier?
Yes.
What will be part of the log file name for ELB logging?
AWS account ID, ELB region, IP address of the load balancer, load balancer ID, and random
string.
How many read replicas can you have for MySQL, PostgreSQL, and MariaDB?
5
You created a subnet with a CIDR of 10.0.1.0/24. What happens if you try to create a
second subnet with the same CIDR?
It will throw a CIDR overlaps error
When you have a multi-AZ database and a maintenance activity occurs, what events or
activities occur during the maintenance window?
1. Perform maintenance on standby
2. Promote the standby to primary
3. Perform maintenance on the old primary, making it the new standby
A VPC has been created with public and private subnets using the VPC wizard. The VPC
has a CIDR of 10.0.0.0/16, and the private subnet uses a CIDR of 10.0.0.0/24. A NAT
instance has also been created and the route table has been updated. In order for instances
from the private subnet to connect to the internet, what is the next step that needs to be
carried out?
Change the security groups; by default the NAT instance is launched with the default security
group.
True or False: Cloudwatch does not provide detained metrics for EMR.
True; it also does not charge for EMR metrics.
Your supervisor sends you a list of several processes in your AWS environment that she
would like you to automate via scripts. What should you set as the highest priority?
CORRECT ANSWERS!!
What happens if a user tries to schedule an auto-scaling event when another auto-scaling
event is scheduled?
Auto scaling will throw an error since there is a conflict in the schedule of the two separate auto
scaling processes
True or False: By default, it is possible to share an AMI between regions.
False. By default, AMIs cannot be shared across regions; they must be copied to the other region
and then shared.
What are the different identity providers available for AWS?
SAML and Open ID Connect
A user has created a VPC with a public subnet and seceurity group. The user has launched
an instance in that subnet. The user is still unable to connect to the instance, despite an
internet gateway being attached to the route table. What can be the reason for the error?
The elastic/public IP is not present
True or False: Server Order Preference is supported with the ELBSecurity Policy-2011-08
security policy.
False. It was only supported in 2014 and on.
Which API call is used to retrieve log events?
GetLogEvents
Is it possible to share a graph in CloudWatch?
Yes. You can share a graph from the Share Graph URL option in CloudWatch.
Is it possible to disable a CloudWatch alarm?
Yes, via the CLI:
aws cloudwatch disable-alarm-actions --alarm-names myalarm
, Can more than one RDS instance be launched under AWS free tier?
Yes.
What will be part of the log file name for ELB logging?
AWS account ID, ELB region, IP address of the load balancer, load balancer ID, and random
string.
How many read replicas can you have for MySQL, PostgreSQL, and MariaDB?
5
You created a subnet with a CIDR of 10.0.1.0/24. What happens if you try to create a
second subnet with the same CIDR?
It will throw a CIDR overlaps error
When you have a multi-AZ database and a maintenance activity occurs, what events or
activities occur during the maintenance window?
1. Perform maintenance on standby
2. Promote the standby to primary
3. Perform maintenance on the old primary, making it the new standby
A VPC has been created with public and private subnets using the VPC wizard. The VPC
has a CIDR of 10.0.0.0/16, and the private subnet uses a CIDR of 10.0.0.0/24. A NAT
instance has also been created and the route table has been updated. In order for instances
from the private subnet to connect to the internet, what is the next step that needs to be
carried out?
Change the security groups; by default the NAT instance is launched with the default security
group.
True or False: Cloudwatch does not provide detained metrics for EMR.
True; it also does not charge for EMR metrics.
Your supervisor sends you a list of several processes in your AWS environment that she
would like you to automate via scripts. What should you set as the highest priority?
