Answered AWS Certified Cloud
Practitioner Practice Exam (2) - Results
Return to review
Attempt 2
All knowledge areas
All questions
Question 1: Correct
Which of the following will impact the price paid for an EC2 instance?
(Choose TWO)
•
The Availability Zone where the instance is provisioned
•
Load balancing
(Correct)
•
Instance type
(Correct)
•
Number of buckets
•
Number of private IPs
Explanation
EC2 instance pricing varies depending on many variables:
- The buying option (On-demand, Savings Plans, Reserved, Spot, Dedicated)
- Selected instance type
- Selected Region
- Number of instances
- Load balancing
- Allocated Elastic IP Addresses
,Question 2: Correct
Which of the following services can help protect your web applications from SQL injection and
other vulnerabilities in your application code?
•
AWS IAM
•
AWS WAF
(Correct)
•
Amazon Aurora
•
Amazon Cognito
Explanation
AWS WAF (Web Application Firewall) helps protect your web applications from common web
exploits that could affect application availability, compromise security, or consume excessive
resources. You can use AWS WAF to create custom rules that block common attack patterns,
such as SQL injection or cross-site scripting, and rules that are designed for your specific
application.
Question 3: Incorrect
How are AWS customers billed for Linux-based Amazon EC2 usage?
•
EC2 instances will be billed on one minute increments, with a minimum of one
hour
•
EC2 instances will be billed on one second increments, with a minimum of one minute
(Correct)
•
EC2 instances will be billed on one hour increments, with a minimum of one day
(Incorrect)
•
EC2 instances will be billed on one day increments, with a minimum of one
month
Explanation
Pricing is per instance-hour consumed for each instance, from the time an
instance is launched until it is terminated or stopped. Each partial instance-
hour consumed will be billed per-second (minimum of 1 minute) for Linux or
Ubuntu Instances and as a full hour for all other instance types.
Question 4: Correct
, What are two advantages of using Cloud Computing over using traditional data centers? (Choose
TWO)
•
Reserved Compute capacity
•
Eliminating Single Points of Failure (SPOFs)
(Correct)
•
Distributed infrastructure
(Correct)
•
Virtualized compute resources
•
Dedicated hosting
Question 5: Correct
Which statement best describes the operational excellence pillar of the AWS
Well-Architected Framework?
•
The ability of a system to recover gracefully from failure
•
The ability to manage datacenter operations more efficiently
•
The ability to monitor systems and improve supporting processes and procedures
(Correct)
•
The efficient use of computing resources to meet requirements
Explanation
The 5 Pillars of the AWS Well-Architected Framework:
1- Operational Excellence: The operational excellence pillar includes the
ability to run and monitor systems to deliver business value and to
continually improve supporting processes and procedures.
2- Security: The security pillar includes the ability to protect
information, systems, and assets while delivering business value through
risk assessments and mitigation strategies.
3- Reliability: The reliability pillar includes the ability of a system to
recover from infrastructure or service disruptions, dynamically acquire
computing
Practitioner Practice Exam (2) - Results
Return to review
Attempt 2
All knowledge areas
All questions
Question 1: Correct
Which of the following will impact the price paid for an EC2 instance?
(Choose TWO)
•
The Availability Zone where the instance is provisioned
•
Load balancing
(Correct)
•
Instance type
(Correct)
•
Number of buckets
•
Number of private IPs
Explanation
EC2 instance pricing varies depending on many variables:
- The buying option (On-demand, Savings Plans, Reserved, Spot, Dedicated)
- Selected instance type
- Selected Region
- Number of instances
- Load balancing
- Allocated Elastic IP Addresses
,Question 2: Correct
Which of the following services can help protect your web applications from SQL injection and
other vulnerabilities in your application code?
•
AWS IAM
•
AWS WAF
(Correct)
•
Amazon Aurora
•
Amazon Cognito
Explanation
AWS WAF (Web Application Firewall) helps protect your web applications from common web
exploits that could affect application availability, compromise security, or consume excessive
resources. You can use AWS WAF to create custom rules that block common attack patterns,
such as SQL injection or cross-site scripting, and rules that are designed for your specific
application.
Question 3: Incorrect
How are AWS customers billed for Linux-based Amazon EC2 usage?
•
EC2 instances will be billed on one minute increments, with a minimum of one
hour
•
EC2 instances will be billed on one second increments, with a minimum of one minute
(Correct)
•
EC2 instances will be billed on one hour increments, with a minimum of one day
(Incorrect)
•
EC2 instances will be billed on one day increments, with a minimum of one
month
Explanation
Pricing is per instance-hour consumed for each instance, from the time an
instance is launched until it is terminated or stopped. Each partial instance-
hour consumed will be billed per-second (minimum of 1 minute) for Linux or
Ubuntu Instances and as a full hour for all other instance types.
Question 4: Correct
, What are two advantages of using Cloud Computing over using traditional data centers? (Choose
TWO)
•
Reserved Compute capacity
•
Eliminating Single Points of Failure (SPOFs)
(Correct)
•
Distributed infrastructure
(Correct)
•
Virtualized compute resources
•
Dedicated hosting
Question 5: Correct
Which statement best describes the operational excellence pillar of the AWS
Well-Architected Framework?
•
The ability of a system to recover gracefully from failure
•
The ability to manage datacenter operations more efficiently
•
The ability to monitor systems and improve supporting processes and procedures
(Correct)
•
The efficient use of computing resources to meet requirements
Explanation
The 5 Pillars of the AWS Well-Architected Framework:
1- Operational Excellence: The operational excellence pillar includes the
ability to run and monitor systems to deliver business value and to
continually improve supporting processes and procedures.
2- Security: The security pillar includes the ability to protect
information, systems, and assets while delivering business value through
risk assessments and mitigation strategies.
3- Reliability: The reliability pillar includes the ability of a system to
recover from infrastructure or service disruptions, dynamically acquire
computing
