Question # 1
Servers in the hot site are clustered with the main site.
| A. Network traffic is balanced between the main site and hot site servers.
| B. Offline server backups are replicated hourly from the main site.
| C. All servers are replicated from the main site in an online status.
| D. Which of the following best describes a characteristic of a hot site?
|
C. All servers are replicated from the main site in an online status.
Explanation:
When servers in a hot site are clustered with the main site, it indicates that all servers are replicated from the main site in an online status. This means that the hot site maintains a live, real-time copy of data and applications, ensuring immediate availability in the event of a failure at the main site. Unlike options A and B, which describe load balancing and backup strategies respectively, clustering with a hot site as described in option C ensures that the hot site can take over with minimal downtime, maintaining business continuity.
References:
CompTIA Cloud+ CV0-004 Study Guide and Official CompTIA Content
Question # 2
Which of the following integration systems would best reduce unnecessary network traffic by allowing data to travel bidirectionally and facilitating real-time results for developers who need to display critical information within applications?
| A. REST API
| B. RPC
| C. GraphQL
| D. Web sockets
|
D. Web sockets
Explanation:
Web sockets provide a full-duplex communication channel over a single, long-lived connection, allowing data to flow bidirectionally between a client and a server. This is ideal for real-time applications where developers need to display critical information without unnecessary network overhead, as it reduces the need for repetitive HTTP requests and allows for more efficient, instantaneous data updates and interactions.
Question # 3
An organization has been using an old version of an Apache Log4j software component in its critical software application. Which of the following should the organization use to calculate the severity of the risk from using this component?
| A. CWE
| B. CVSS
| C. CWSS
| D. CVE
|
B. CVSS
Explanation:
The Common Vulnerability Scoring System (CVSS) is what the organization should use to calculate the severity of the risk from using an old version of Apache Log4j software component. CVSS provides an open framework for communicating the characteristics and impacts of IT vulnerabilities.
References:
CompTIA Cloud+ Study Guide (Exam CV0-004) - Chapter on Risk Management
Question # 4
| An e-commerce store is preparing for an annual holiday sale. Previously, this sale has increased the number of transactions between two and ten times the normal level of
transactions. A cloud administrator wants to implement a process to scale the web server seamlessly. The goal is to automate changes only when necessary and with minimal cost.
Which of the following scaling approaches should the administrator use? | | A. Scale horizontally with additional web servers to provide redundancy.
| | B. Allow the load to trigger adjustments to the resources.
| | C. When traffic increases, adjust the resources using the cloud portal.
| | D. Schedule the environment to scale resources before the sale begins.
|
B. Allow the load to trigger adjustments to the resources.
Explanation:
To seamlessly scale the web server for an e-commerce store during an annual sale, it's best to allow the load to trigger adjustments to the resources. This approach uses auto scaling to automatically adjust the number of active servers based on the current load, ensuring an automated change that is cost-effective.
Question # 5
| 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? | | A. Ask the management team to delay the conference. | | B. Apply the security patch after the event. | | C. Ask the upper management team to approve an emergency patch window. | | D. Apply the security patch immediately before the conference. |
C. Ask the upper management team to approve an emergency patch window.
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. References: 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.
Question # 6
| A cloud engineer is collecting web server application logs to troubleshoot intermittent issues. However, the logs are piling up and causing storage issues. Which of the following log
mechanisms should the cloud engineer implement to address this issue? | | A. Splicing | | B. Rotation
| | C. Sampling | | D. Inspection |
B. Rotation
Explanation:
Log rotation is the mechanism the cloud engineer should implement to address the issue of logs piling up and causing storage issues. Log rotation involves automatically archiving old log files and creating new ones after a certain size or time period, preventing storage issues.
Question # 7
A software engineer needs to transfer data over the internet using programmatic access while also being able to query the data. Which of the following will best help the engineer to complete this task?
| A. SQL
| B. Web sockets
| C. RPC
| D. GraphQL
|
D. GraphQL
Explanation:
GraphQL is the best option for transferring data over the internet with programmatic access and querying capabilities. It is a query language for APIs and a runtime for executing those queries with existing data, providing a more efficient, powerful, and flexible alternative to the REST API.
References:
Data transfer and querying methods are part of the technical knowledge associated with cloud computing, as included in CompTIA Cloud+.
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