QUESTION: 33

A junior cloud administrator was recently promoted to cloud administrator and has been added to the cloud administrator group. The cloud administrator group is the only one that can access the engineering VM. The new administrator unsuccessfully attempts to access the engineering VM. However, the other administrators can access it without issue.
Which of the following is the best way to identify the root cause?

Rebooting the engineering VM
Reviewing the administrator's permissions to access the engineering VM
Allowing connections from 0.0.0.070 to the engineering VM
Performing a packet capture on the engineering VM

Answer(s): B

Explanation:

The best way to identify the root cause of why the new cloud administrator cannot access the engineering VM is by reviewing the administrator's permissions. It is possible that, despite being added to the cloud administrator group, the specific permissions to access the engineering VM were not properly configured.

Reference:

Permission issues are a common problem in cloud environments, and troubleshooting such issues is part of the cloud management skills discussed in the CompTIA Cloud+ certification

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QUESTION: 34

A cloud solutions architect is designing a VM-based solution that requires reducing the cost as much as possible.
Which of the following solutions will best satisfy this requirement?

Using ephemeral storage on replicated VMs
Creating Spot VMs in one availability zone
Spreading the VMs across different regions
Using provisioned IOPS storage

Answer(s): B

Explanation:

Using Spot VMs is a cost-effective solution as these are available at significantly reduced prices compared to standard instances. Spot VMs are ideal for workloads that can tolerate interruptions and are a way to take advantage of unused cloud capacity.

Reference:

The concept of Spot VMs and their cost benefits are included in the financial aspects of managing cloud resources, as per the CompTIA Cloud+ certification guidelines.

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QUESTION: 35

A critical security patch is required on a network load balancer in a public cloud. The organization has a major sales conference next week, and the Chief Executive Officer does not want any interruptions during the demonstration of an application behind the load balancer.
Which of the following approaches should the cloud security engineer take?

Ask the management team to delay the conference.
Apply the security patch after the event.
Ask the upper management team to approve an emergency patch window.
Apply the security patch immediately before the conference.

Answer(s): C

Explanation:

Given the critical nature of the patch and the upcoming major sales conference, the cloud security engineer should seek approval for an emergency patch window. This approach balances the need for security with the business requirement of no interruptions during the conference.

Reference:

The strategy of managing critical updates in alignment with business operations is part of the governance and risk management topics in the CompTIA Cloud+ certification material.

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QUESTION: 36

A cloud engineer has provisioned a VM for a high-frequency trading application. After the VM is put into production, users report high latency in trades. The engineer checks the last six hours of VM metrics and sees the following:
· CPU utilization is between 30% to 60%.
· Networkln is between 50Kbps and 70Kbps.
· NetworkOut is between 3.000Kpbs and 5.000Kbps.
· DiskReadOps is at 30.
· DiskWriteOps is at 70
· Memory utilization is between 50% and 70%.
Which of the following steps should the engineer take next to solve the latency issue?

Move to a network-optimized instance type as the network throughput is not enough.
Modify the disk IOPS to a higher value as the disk IO is being bottlenecked at 100 IOPS.
Increase the memory of the instance as the high-frequency trading application requires more RAM.
Increase the instance size to allocate more vCPUs as the CPU utilization is very high.

Answer(s): A

Explanation:

Since the NetworkOut is significantly higher than NetworkIn and considering the nature of a high- frequency trading application, the issue most likely lies with network throughput. Moving to a network-optimized instance type would provide higher network bandwidth, which can reduce latency in trades.

Reference:

This solution is derived from the Management and Technical Operations domain of the

CompTIA Cloud+ objectives, focusing on performance optimization for cloud services.

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