CompTIA CV0-004 Exam Dumps - PDF Questions and Testing Engine
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NEW QUESTION # 38
Which of the following technologies should be used by a person who is visually impaired to access data from the cloud?
- A. Visual recognition
- B. Text-to-voice
- C. Object character recognition
- D. Sentiment analysis
Answer: B
Explanation:
Text-to-voice (or text-to-speech) technology should be used by a person who is visually impaired to access data from the cloud. It converts text data into audible speech, allowing visually impaired individuals to receive the information audibly. Reference: CompTIA Accessibility in IT Study Guide.
NEW QUESTION # 39
Which of the following strategies requires the development of new code before an application can be successfully migrated to a cloud provider?
- A. Rehost
- B. Refactor
- C. Rearchitect
- D. Replatform
Answer: B
Explanation:
Refactoring requires the development of new code before an application can be successfully migrated to a cloud provider. It often involves restructuring and optimizing the existing code without changing its external behavior to fit into the new cloud environment.References: Application migration strategies and the requirements for each, like refactoring, are included in cloud migration best practices covered in CompTIA Cloud+.
NEW QUESTION # 40
Which of the following network types allows the addition of new features through the use of network function virtualization?
- A. Software-defined network
- B. Local area network
- C. Wide area network
- D. Storage area network
Answer: A
Explanation:
A Software-Defined Network (SDN) is a network approach that allows the addition of new features through software configurations rather than hardware updates, making use of network function virtualization (NFV). NFV decouples network functions from proprietary hardware appliances, so they can run in software, which aligns with the flexibility offered by SDN.
NEW QUESTION # 41
A company's man web application is no longer accessible via the internet. The cloud administrator investigates and discovers the application is accessible locally and only via an IP access. Which of the following was misconfigured?
- A. IP
- B. DHCP
- C. DNS
- D. NAT
Answer: C
Explanation:
When a web application is accessible locally via an IP address but not via the internet, the issue likely lies with the Domain Name System (DNS). DNS is responsible for translating domain names into IP addresses. A misconfiguration in DNS records or failure in DNS resolution can prevent users from accessing the application through its domain name, even though the application itself is running and accessible via its direct IP address.
Reference: In the CompTIA Cloud+ curriculum, understanding cloud concepts and networking fundamentals, including DNS, is crucial for troubleshooting and ensuring applications are accessible and perform optimally in cloud environments.
NEW QUESTION # 42
Which of the following Al/ML technologies consumes text input to discern tone?
- A. Text recognition
- B. Visual recognition
- C. Computer vision
- D. Sentiment analysis
Answer: D
Explanation:
Sentiment analysis is an AI/ML technology that processes text to determine the tone. It helps in understanding the sentiments behind the words by analyzing the text input, which can be positive, negative, or neutral. Reference: CompTIA Cloud+ Study Guide (Exam CV0-004) - Chapter on Cloud Technologies and Applications
NEW QUESTION # 43
A technician needs to deploy two virtual machines in preparation for the configuration of a financial application next week. Which of the following cloud deployment models should the technician use?
- A. IaaS
- B. PaaS
- C. XaaS
- D. SaaS
Answer: A
Explanation:
IaaS, or Infrastructure as a Service, is a cloud computing model that provides virtual machines, storage, and networking resources. This allows the technician to deploy and configure the virtual machines that are needed for the financial application.
NEW QUESTION # 44
Which of the following describes the main difference between public and private container repositories?
- A. Private container repository access requires authorization, while public repository access does not require authorization.
- B. Private container repositories are used to obfuscate the content of the Dockerfile, while public container repositories allow for Dockerfile inspection.
- C. Private container repositories must use proprietary licenses, while public container repositories must have open-source licenses.
- D. Private container repositories are hidden by default and containers must be directly referenced, while public container repositories allow browsing of container images.
Answer: A
Explanation:
The main difference between public and private container repositories lies in access control. Public repositories allow users to download and use container images without requiring any authorization, making them accessible to anyone. On the other hand, private repositories require users to have proper authorization, usually through credentials, to access the container images, thus providing a level of privacy and security control. Reference: CompTIA Cloud+ Guide to Cloud Computing (ISBN: 978-1-64274-282-2)
NEW QUESTION # 45
A customer is migrating applications to the cloud and wants to grant authorization based on the classification levels of each system. Which of the following should the customer implement to ensure authorisation to systems is granted when the user and system classification properties match? (Choose two.)
- A. Token-based authentication
- B. Role-based access control
- C. Multifactor authentication
- D. Discretionary access control
- E. Resource tagging
- F. Bastion host
Answer: B,D
Explanation:
Discretionary Access Control (DAC) and Role-Based Access Control (RBAC) are effective methods for granting authorization based on system classification levels. DAC allows resource owners to grant access rights, making it flexible for environments with varying classification levels. RBAC assigns permissions based on roles within an organization, aligning access rights with the user's job functions and ensuring that users access only what is necessary for their role, which can be mapped to system classifications.
NEW QUESTION # 46
Department supervisors have requested a report that will help them understand the utilization of cloud resources, make decisions about budgeting for the following year, and reduce costs. Which of the following are the most important requisite steps to create the report? (Choose two.)
- A. Configure metric threshold alerts.
- B. Set the desired retention of resource logs.
- C. Configure application tracing.
- D. Enable resource tagging.
- E. Integrate email alerts with ticketing software.
- F. Configure the collection of performance/utilization logs.
Answer: D,F
Explanation:
To create a report that helps understand the utilization of cloud resources, make budget decisions, and reduce costs, the most important steps are to enable resource tagging and configure the collection of performance/utilization logs. Resource tagging helps in categorizing and tracking costs by associating tags with resources, while performance/utilization logs are essential for analyzing resource usage over time.
NEW QUESTION # 47
A company is developing a new web application that requires a relational database management system with minimal operational overhead. Which of the following should the company choose?
- A. A hybrid database setup
- B. A managed SQL database on the cloud
- C. A database installed on a virtual machine
- D. A database migration service
Answer: B
Explanation:
For a new web application that requires a relational database management system with minimal operational overhead, the company should choose a managed SQL database on the cloud. Managed databases provide automated backups, patching, and other management tasks, reducing the administrative burden.
Reference: The use of managed services, like managed databases, to minimize operational overhead is a strategic decision in cloud computing covered in CompTIA Cloud+.
NEW QUESTION # 48
A systems administrator is securing a new email system for a large corporation. The administrator wants to ensure private corporate information is not emailed to external users. Which of the following would be MOST useful to accomplish this task?
- A. SPF
- B. DNSSEC
- C. DLP
- D. EDR
Answer: C
Explanation:
DLP is a set of tools and techniques that helps prevent sensitive data from being disclosed, stolen, or lost. It works by monitoring and controlling the flow of data in and out of an application, identifying sensitive data based on predefined rules, and taking action to prevent unauthorized access or transmission of the data.
NEW QUESTION # 49
Between 11:00 a.m. and 1:00 p.m. on workdays, users report that the sales database is either not accessible, sluggish, or difficult to connect to. A cloud administrator discovers that during the impacted time, all hypervisors are at capacity. However, when 70% of the users are using the same database, those issues are not reported. Which of the following is the most likely cause?
- A. Oversubscription
- B. Resource allocation
- C. Service quotas
- D. Sizing issues
Answer: A
Explanation:
The most likely cause of accessibility and performance issues during specific times is oversubscription. This happens when more users are trying to access the database than the hypervisors can handle, due to their resources being allocated to more virtual machines or processes than they can efficiently support.References:
Resource management concepts such as avoiding oversubscription are covered under the Management and Technical Operations domain of the CompTIA Cloud+ exam objectives.
NEW QUESTION # 50
A cloud server needs to automatically allocate more resources during sudden peak times. This allocation does not need to occur in regular intervals. Which of the following scaling approaches should be used?
- A. Scheduled
- B. Event
- C. Trending
- D. Manual
Answer: B
Explanation:
Event-based scaling is designed to allocate more resources automatically in response to specific events, such as sudden peak times that are not regular or predictable. This type of scaling ensures that resources are available when needed without the need to schedule them in advance or adjust them manually.
NEW QUESTION # 51
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?
- A. Using provisioned IOPS storage
- B. Spreading the VMs across different regions
- C. Creating Spot VMs in one availability zone
- D. Using ephemeral storage on replicated VMs
Answer: C
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.
NEW QUESTION # 52
A cloud consultant needs to modernize a legacy application that can no longer address user demand and is expensive to maintain. Which of the following is the best migration strategy?
- A. Rehost
- B. Refactor
- C. Retain
- D. Replatform
Answer: B
Explanation:
Refactoring is the process of restructuring existing computer code without changing its external behavior. In cloud computing, it often means modifying the application to better leverage cloud- native features and services. This can address user demand and reduce maintenance costs by making the application more scalable, resilient, and manageable.
NEW QUESTION # 53
The company's IDS has reported an anomaly. The cloud engineer remotely accesses the cloud instance, runs a command, and receives the following information:
Which of the following is the most likely root cause of this anomaly?
- A. Leaked credentials
- B. Cryptojacking
- C. Defaced website
- D. Privilege escalation
Answer: D
Explanation:
The output from the 'ps' command indicates there is a process running under the UID (User ID) of
0, which is the root user, and the command that was run is '/var/www/command.py'. Given that the normal Apache processes are running under their own UID (65535), this suggests that a command was executed with root privileges that typically should not have such high-level access.
This is a strong indicator of privilege escalation, where an unauthorized user or process gains elevated access to resources that are normally protected from an application or user.
NEW QUESTION # 54
An organization's web application experiences penodic bursts of traffic when a new video is launched. Users are reporting poor performance in the middle of the month. Which of the following scaling approaches should the organization use to scale based on forecasted traffic?
- A. Scheduled
- B. Load
- C. Event
- D. Manual
Answer: A
Explanation:
For periodic bursts of traffic that are predictable, such as when a new video is launched, a scheduled scaling approach is suitable. This strategy involves scaling resources based on forecasted or known traffic patterns, ensuring that the infrastructure can handle the load during expected peak times.
NEW QUESTION # 55
A cloud administrator needs to distribute workloads across remote data centers for redundancy reasons. Which of the following deployment strategies would eliminate downtime, accelerate deployment, and remain cost efficient?
- A. In-place
- B. Blue-green
- C. Rolling
- D. Canary
Answer: B
Explanation:
Blue-green deployment is the strategy that can eliminate downtime, accelerate deployment, and remain cost-efficient. It involves running two identical production environments, only one of which is live at any given time (blue or green). When it's time to deploy, the new version is released to the inactive environment (green), which is then thoroughly tested. Once ready, the traffic is switched over, making the green environment live.
NEW QUESTION # 56
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