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Cloud-Deployment-and-Operations Mock Exam & New Cloud-Deployment-and-Operations Study Plan

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Newest Cloud-Deployment-and-Operations - WGU Cloud Deployment and Operations Mock Exam

The WGU Cloud-Deployment-and-Operations certification exam is one of the top-rated and valuable credentials in the WGU world. This WGU Cloud-Deployment-and-Operations certification exam is designed to validate a candidate's skills and knowledge. With WGU Cloud-Deployment-and-Operations Certification Exam everyone can upgrade their expertise and knowledge level.

WGU Cloud Deployment and Operations Sample Questions (Q54-Q59):

NEW QUESTION # 54
(A company uses KMS for key management. The company has a requirement to ensure that cryptographic material is not used longer than a year. Which solution should be used to meet this requirement with the least amount of effort?)

A. Enable automatic key rotation in KMS
B. Develop a custom key encryption protocol for KMS
C. Write a Lambda function to replace keys in KMS
D. Move keys from KMS to CloudHSM

Answer: A

Explanation:
Enabling automatic key rotation in AWS Key Management Service (KMS) is the least effort solution to ensure cryptographic material is not used longer than a year. KMS automatically rotates the cryptographic material of symmetric customer master keys (CMKs) every 365 days, meeting the requirement without manual intervention. The WGU Cloud Deployment and Operations Study Guide (Section 6.3, KMS) states,
"Automatic key rotation in KMS rotates the backing key material every year for symmetric CMKs, providing a low-effort way to comply with key usage limits." Moving to CloudHSM, custom protocols, or Lambda functions require more effort and complexity.

NEW QUESTION # 55
(Which two languages are used by CloudFormation to define infrastructure? Choose 2 answers.)

A. C#
B. YAML
C. JSON
D. XML

Answer: B,C

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
AWS CloudFormation uses YAML and JSON languages to define infrastructure as code (IaC) templates, specifying resources, parameters, and configurations. These formats are human-readable and support the creation of stacks for provisioning AWS resources. The WGU Cloud Deployment and Operations Study Guide (Section 5.3, CloudFormation) states, "CloudFormation templates can be written in YAML or JSON, both of which are supported for defining infrastructure resources like EC2 instances and S3 buckets." XML and C# are not supported languages for CloudFormation templates.

NEW QUESTION # 56
(A company uses SQS and EC2 to convert videos uploaded by users. In the evenings, videos take several hours to convert when they normally take minutes. The user base is expected to grow a hundredfold in the next 12 months. Which solution should be used to reduce the conversion delays?)

A. Configure an alarm to scale the fleet based on queue length
B. Switch from t2.medium to t2.xlarge instance type
C. Use spot instances instead of on-demand
D. Implement a dead-letter queue

Answer: A

Explanation:
To reduce conversion delays caused by increased demand, the company should configure a CloudWatch alarm to scale the EC2 fleet based on the SQS queue length. This auto-scaling approach dynamically adjusts the number of EC2 instances to handle the workload, especially during peak evening hours and anticipated growth. The WGU Cloud Deployment and Operations Study Guide (Section 3.3, Auto Scaling and SQS) explains, "Auto Scaling can be triggered by a CloudWatch alarm monitoring SQS queue depth, ensuring the EC2 fleet scales out to process video conversion tasks efficiently as the queue length increases." Spot instances, dead-letter queues, and instance type upgrades do not directly address dynamic scaling needs.

NEW QUESTION # 57
(A company is using Route 53 for Domain Name System (DNS) hosting. The company requires a zone that should only be accessible from instances in a Virtual Private Cloud (VPC). Which type of hosted zone should be used?)

A. Lightsail DNS Zone
B. Private Zone
C. DNS Zone
D. Public Hosted Zone

Answer: B

Explanation:
A Private Hosted Zone in Amazon Route 53 should be used to restrict DNS resolution to instances within a Virtual Private Cloud (VPC), ensuring that the zone is only accessible internally. This isolates DNS services from public internet access. The WGU Cloud Deployment and Operations Study Guide (Section 3.1, Route 53 Hosted Zones) states, "A Private Hosted Zone in Route 53 limits DNS resolution to resources within a specified VPC, preventing external access and enhancing security for internal services." Public Hosted Zones, DNS Zones, and Lightsail DNS Zones do not provide this VPC-specific restriction.

NEW QUESTION # 58
(A company builds an application that renders 3D movies for its users. The application does this by spawning a fleet of instances that each take a slice of the workload and then render a few hundred frames in around 30 minutes. If processing on a node is interrupted, the work can be moved to other running nodes. The cost to users is based on the underlying AWS cost plus a margin. Which EC2 instance type is most suitable to run workload pattern at the lowest cost?)

A. Reserved Instance
B. Spot Instance
C. Dedicated Instance
D. On-Demand Instance

Answer: B

Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Spot Instances are the most suitable EC2 instance type for this workload pattern, offering the lowest cost for short, interruptible tasks like 3D rendering, where work can be redistributed if interrupted. This aligns with the company's cost-plus pricing model. The WGU Cloud Deployment and Operations Study Guide (Section
7.3, EC2 Instance Types) states, "Spot Instances provide significant cost savings (up to 90% off On-Demand) for fault-tolerant, short-term workloads like rendering, where interruptions can be handled by redistributing tasks to other nodes." On-Demand, Dedicated, and Reserved Instances are more expensive and less flexible for this use case.

NEW QUESTION # 59
......

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