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NEW QUESTION # 48
Which of the following is used to detect signals and measure physical properties, such as the temperature of the human body?
- A. Sensors
- B. Transmission protocols
- C. Gateways
- D. Beacon
Answer: A
Explanation:
Sensors are used to detect signals and measure physical properties, such as temperature. They are devices that respond to a physical stimulus (like heat, light, sound, pressure, magnetism, or a particular motion) and transmit a resulting impulse for detection and measurement.References: The use of sensors in cloud environments, particularly in IoT (Internet of Things) applications, is included in the technical domains of the CompTIA Cloud+ material.
NEW QUESTION # 49
Which of the following refers to the idea that data should stay within certain borders or territories?
- A. Data sovereignty
- B. Data classification
- C. Data ownership
- D. Data retention
Answer: A
Explanation:
Data sovereignty refers to the concept that data is subject to the laws and governance structures within the nation it is collected or stored. It implies that regardless of where a company's data is stored, the data must comply with the laws of the country where it is physically located.References: The principle of data sovereignty is a critical consideration in international cloud services and is included in the governance, risk, and compliance domain of CompTIA Cloud+.
NEW QUESTION # 50
A cloud administrator learns that a major version update. 4.6.0. is available for a business-critical application. The application is currently on version 4.5.2. with additional minor versions 3, 4, and 5 available. The administrator needs to perform the update while minimizing downtime. Which of the following should the administrator do first?
- A. Apply the minor updates and then restart the machine before applying the major update.
- B. Create a test environment and apply the major update
- C. During off hours, decommission the machine and create a new one directly on major update 4.6.0.
- D. Stop the service and apply the major updates directly.
Answer: B
Explanation:
The first step the administrator should take is to create a test environment and apply the major update there. This allows for testing the new version without impacting the production environment, thus minimizing downtime and the potential for unexpected issues.
Reference: Creating test environments and conducting thorough testing before applying updates in production is a risk mitigation strategy covered under cloud deployment and operations in the CompTIA Cloud+ certification.
NEW QUESTION # 51
A SaaS provider introduced new software functionality for customers as part of quarterly production enhancements. After an update is implemented, users cannot locate certain transactions from an inbound integration. During the investigation, the application owner finds the following error in the logs:
Error: REST API - Deprecated call is no longer supported in this release.
Which of the following is the best action for the application owner to take to resolve the issue?
- A. Ask the users to monitor the quarterly updates.
- B. Revert the application to the last stable quarterly release.
- C. Include the custom integration in the quarterly testing scope.
- D. Update the custom integration to use a supported function.
Answer: D
Explanation:
The error message indicates that the SaaS provider has deprecated a function that was previously called by the custom integration. The best action for the application owner to take is to update the custom integration to use a function that is supported in the current release. This is a direct solution to the problem and ensures the custom integration conforms to the updated SaaS provider's API. Reference: Based on the error message provided and standard practices for dealing with deprecated API calls in a SaaS environment.
NEW QUESTION # 52
A cloud engineer is deploying a cloud solution that will be used on premises with need-to-know access. Which of the following cloud deployment models best meets this requirement?
- A. Community
- B. Public
- C. Private
- D. Hybrid
Answer: C
Explanation:
A private cloud deployment model is the most appropriate when the requirement is for 'need-to-know' access, as it offers a more secure environment with resources dedicated to a single organization. It can be hosted on-premises or off-premises but is maintained on a private network, ensuring greater control over the data, security, and compliance when compared to other cloud models. Reference: CompTIA Cloud+ Certification Study Guide (Exam CV0-004) by Scott Wilson and Eric Vanderburg
NEW QUESTION # 53
Which of the following is a customer be responsible for in a provider-managed database service? (Select two).
- A. Table-level permissions
- B. Row-level encryption
- C. Minor database engine updates
- D. Availability of hardware for scaling
- E. Cluster configuration
- F. Operating system patches
Answer: A,B
Explanation:
In a provider-managed database service, the cloud provider typically manages the infrastructure, operating system, and database engine updates. However, the customer is responsible for the data and its security within the database, which includes setting table-level permissions and row-level encryption to ensure that data access and security is managed appropriately. Reference: CompTIA Cloud+ Guide to Cloud Computing (ISBN: 978-1-64274-282-2)
NEW QUESTION # 54
A company has decided to scale its e-commerce application from its corporate datacenter to a commercial cloud provider to meet an anticipated increase in demand during an upcoming holiday.
The majority of the application load takes place on the application server under normal conditions. For this reason, the company decides to deploy additional application servers into a commercial cloud provider using the on-premises orchestration engine that installs and configures common software and network configurations.
The remote computing environment is connected to the on-premises datacenter via a site-to-site IPSec tunnel.
The external DNS provider has been configured to use weighted round-robin routing to load balance connections from the Internet.
During testing, the company discovers that only 20% of connections completed successfully.
INSTRUCTIONS
Review the network architecture and supporting documents and fulfill these requirements:
Part 1:
Analyze the configuration of the following components: DNS, Firewall 1, Firewall 2, Router 1, Router 2, VPN and Orchestrator Server.
Identify the problematic device(s).
Part 2:
Identify the correct options to provide adequate configuration for hybrid cloud architecture.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Part 1:
Cloud Hybrid Network Diagram
Part 2:
Only select a maximum of TWO options from the multiple choice question
Answer:
Explanation:
See explanation below.
Explanation:
Part 1: Router 2
The problematic device is Router 2, which has an incorrect configuration for the IPSec tunnel. The IPSec tunnel is a secure connection between the on-premises datacenter and the cloud provider, which allows the traffic to flow between the two networks. The IPSec tunnel requires both endpoints to have matching parameters, such as the IP addresses, the pre-shared key (PSK), the encryption and authentication algorithms, and the security associations (SAs) .
According to the network diagram and the configuration files, Router 2 has a different PSK and a different address space than Router 1. Router 2 has a PSK of "1234567890", while Router 1 has a PSK of
"0987654321". Router 2 has an address space of 10.0.0.0/8, while Router 1 has an address space of
192.168.0.0/16. These mismatches prevent the IPSec tunnel from establishing and encrypting the traffic between the two networks.
The other devices do not have any obvious errors in their configuration. The DNS provider has two CNAME records that point to the application servers in the cloud provider, with different weights to balance the load.
The firewall rules allow the traffic from and to the application servers on port 80 and port 443, as well as the traffic from and to the VPN server on port 500 and port 4500. The orchestration server has a script that installs and configures the application servers in the cloud provider, using the DHCP server to assign IP addresses.
Part 2:
The correct options to provide adequate configuration for hybrid cloud architecture are:
* Update the PSK in Router 2.
* Change the address space on Router 2.
These options will fix the IPSec tunnel configuration and allow the traffic to flow between the on-premises datacenter and the cloud provider. The PSK should match the one on Router 1, which is "0987654321". The address space should also match the one on Router 1, which is 192.168.0.0/16.
B. Update the PSK (Pre-shared key in Router2)
E. Change the Address Space on Router2
NEW QUESTION # 55
Which of the following is the most cost-effective way to store data that is infrequently accessed?
- A. Cold site
- B. Off-site
- C. Hot site
- D. Warm site
Answer: B
Explanation:
The most cost-effective way to store data that is infrequently accessed is typically an off-site storage service, often referred to as cold or archival storage. This type of storage is designed for data that is rarely accessed, providing lower storage costs.
Reference: Data storage solutions and their cost implications, including off-site (cold or archival) storage for infrequently accessed data, are part of the cloud storage options discussed in CompTIA Cloud+.
NEW QUESTION # 56
The performance of an e-commerce website decreases dramatically during random periods. The IT team is evaluating available resources to mitigate the situation. Which of the following is the best approach to effectively manage this scenario'?
- A. Configuring automatic elasticity
- B. Migrating to a dedicated host
- C. Scheduling resource allocation
- D. Purchasing additional servers
Answer: A
Explanation:
Configuring automatic elasticity is the best approach to manage an e-commerce website that experiences random performance drops due to variable traffic. Automatic elasticity enables the cloud resources to scale up or down automatically based on the current load, ensuring consistent performance even during unexpected traffic surges.
Reference: The concept of automatic elasticity is part of the cloud management and technical operations content in the CompTIA Cloud+ curriculum.
NEW QUESTION # 57
A cloud developer is creating a static website that customers will be accessing globally. Which of the following services will help reduce latency?
- A. API gateway
- B. CDN
- C. Application load balancer
- D. VPC
Answer: B
Explanation:
A Content Delivery Network (CDN) is the service that will help reduce latency for a static website accessed globally. CDNs distribute content across multiple geographically dispersed servers, allowing users to connect to a server that is closer to them, thereby reducing the time it takes to load the website.
Reference: The use of CDNs is a common practice to enhance global access and improve user experience, as covered under Cloud Concepts in the CompTIA Cloud+ certification.
NEW QUESTION # 58
Which of the following can reduce the risk of CI/CD pipelines leaking secrets?
- A. Canary tests
- B. Use of a VM instead of containers
- C. Protected Git branches
- D. Private image repositories
Answer: C
Explanation:
Protected Git branches help reduce the risk of CI/CD pipelines leaking secrets by imposing restrictions on who can commit to the branches, enforce status checks before merging, and prevent unauthorized access or changes to sensitive information, such as API keys, passwords, and secret tokens. This ensures that only approved changes can be made to the codebase, and sensitive information is safeguarded.
NEW QUESTION # 59
A cloud engineer is designing a cloud-native, three-tier application. The engineer must adhere to the following security best practices:
* Minimal services should run on all layers of the stack.
* The solution should be vendor agnostic.
* Virealization could be used over physical hardware.
Which of the following concepts should the engineer use to design the system to best meet these requirements?
- A. Fan-out
- B. Micro services
- C. Virtual machine
- D. Cloud-provided managed services
Answer: B
Explanation:
Microservices architecture is the most suitable design principle that aligns with the security best practices mentioned. It involves developing a suite of small services, each running in its own process and communicating with lightweight mechanisms, often an HTTP resource API. This architecture minimizes the services running on each layer, allows for vendor-agnostic solutions, and is well-suited for virtualization over physical hardware.References: Microservices as an architectural approach is discussed in the context of cloud-native applications within the CompTIA Cloud+ material.
NEW QUESTION # 60
An organization's security policy states that software applications should not exchange sensitive data in cleartext.
The security analyst is concerned about a software application that uses Base64 to encode credit card data.
Which of the following would be the best algorithm to replace Base64?
- A. 3DES
- B. SHA-3
- C. AES
- D. RC4
Answer: C
NEW QUESTION # 61
A systems administrator is configuring backups on a VM and needs the process to run as quickly as possible, reducing the bandwidth on the network during all times from Monday through Saturday. In the event of data corruption, the management team expects the mean time to recovery to be as low as possible. Which of the following backup methods can the administrator use to accomplish these goals?
- A. Incremental backup daily to the cloud
- B. Incremental backups during off-hours on Monday, Wednesday, and Friday
- C. Differential backup daily to the cloud
- D. Full backup on Sunday and incremental backups on all other days of the week
Answer: D
Explanation:
To achieve a quick backup process and reduce bandwidth use, the administrator should perform a Full backup on Sunday and incremental backups on all other days of the week. This method ensures that only the changes made since the last full backup are copied, reducing the amount of data that needs to be transferred each time, and thus the time and bandwidth required. Reference: CompTIA Cloud+ Study Guide (Exam CV0-004) by Todd Montgomery and Stephen Olson
NEW QUESTION # 62
A company recently migrated to a public cloud provider. The company's computer incident response team needs to configure native cloud services tor detailed logging. Which of the following should the team implement on each cloud service to support root cause analysis of past events? {Select two).
- A. Log rotation
- B. Encryption
- C. Log aggregation
- D. Hashing
- E. Log retention
- F. Tracing
Answer: C,E
Explanation:
For detailed logging to support root cause analysis of past events, the team should implement log retention to ensure logs are kept for the necessary amount of time and log aggregation to compile logs from various sources for easier analysis and correlation.
Reference: Log management practices, including retention and aggregation, are part of the cloud management strategies covered in the CompTIA Cloud+ curriculum, particularly in the domain of technical operations.
NEW QUESTION # 63
A cloud engineer wants containers to run the latest version of a container base image to reduce the number of vulnerabilities. The applications in use requite Python 3.10 and ate not compatible with any other version. The containers' images are created every time a new version is released from the source image. Given the container Dockerfile below:
Which of the following actions will achieve the objectives with the least effort?
- A. Change the image to use python:latest on the image build process.
- B. Update the Dockerfile to pin the source image version.
- C. Perform docker pull before executing docker run.
- D. Execute docker update using a local cron to get the latest container version.
Answer: C
Explanation:
Performing a "docker pull" before executing "docker run" ensures that the latest version of the container base image is used, aligning with the objective of reducing vulnerabilities. This command fetches the latest image version from the repository, ensuring that the container runs the most up-to-date and secure version of the base image. This approach is efficient and requires minimal effort, as it automates the process of maintaining the latest image versions for container deployments.
Reference: Within the CompTIA Cloud+ examination scope, understanding management and technical operations in cloud environments, including container management and security, is critical. This includes best practices for maintaining up-to-date container images to minimize vulnerabilities.
NEW QUESTION # 64
A cloud engineer is reviewing the following Dockerfile to deploy a Python web application:
Which of the following changes should the engineer make lo the file to improve container security?
- A. Add the instruction "JSER nonroot.
- B. Change the version from latest to 3.11.
- C. Ensure myapp/main.pyls owned by root.
- D. Remove the EHTRYPOIKT instruction.
Answer: A
Explanation:
To improve container security, the engineer should add the instruction "USER nonroot" to the Dockerfile. This change ensures that the container does not run as the root user, which reduces the risk of privilege escalation attacks. Running containers as a non-root user is a best practice for enhancing security in containerized environments.References: CompTIA Cloud+ content includes security concerns, measures, and concepts for cloud operations, highlighting container security best practices such as running containers with least privilege to mitigate security risks.
NEW QUESTION # 65
A company implements a web farm with 100 servers behind an application load balancer. Dunng scaling events, new web servers that are placed in service have not loaded all their modules, which causes some requests to the web farm to fail. Which of the following should the cloud engineer implement to address the scaling issue?
- A. Scheduled scaling
- B. Event-based scaling
- C. Instance warm-up
- D. Load balancer passthrough
Answer: C
Explanation:
Implementing an instance warm-up period can address the issue of new web servers not having all modules loaded during scaling events. This warm-up period allows new instances to fully initialize and start serving traffic only when they are ready, preventing failed requests.
Reference: Scaling strategies and their operational impact, including the concept of instance warm-up, are covered under cloud infrastructure management in the CompTIA Cloud+ curriculum.
NEW QUESTION # 66
An administrator needs to adhere to the following requirements when moving a customer's data to the cloud:
* The new service must be geographically dispersed.
* The customer should have local access to data
* Legacy applications should be accessible.
Which of the following cloud deployment models is most suitable?
- A. Private
- B. Public
- C. On-premises
- D. Hybrid
Answer: D
Explanation:
A hybrid cloud deployment model is most suitable given the requirements. This model combines on-premises infrastructure (or private cloud) with public cloud services, providing geographic dispersion while allowing local access to data. It also facilitates the use of legacy applications that might not be well-suited for a full public cloud environment.References: The hybrid model is a fundamental concept within the CompTIA Cloud+ curriculum, under the section of Cloud Concepts, that explains deployment models.
NEW QUESTION # 67
A company wants to optimize cloud resources and lower the overhead caused by managing multiple operating systems. Which of the following compute resources would be best to help to achieve this goal?
- A. Bare-metal servers
- B. VM
- C. Remote desktops
- D. Containers
Answer: D
Explanation:
Containers are the best compute resources to optimize cloud resources and lower the overhead caused by managing multiple operating systems. Containers encapsulate applications and their dependencies into a single executable package, running on a shared OS kernel, which reduces the need for separate operating systems for each application and simplifies resource management.References: CompTIA Cloud+ materials discuss management and technical operations in cloud environments, including the use of containers to improve resource utilization and operational efficiency by minimizing the overhead associated with traditional VMs.
NEW QUESTION # 68
A CI/CD pipeline is used to deploy VMs to an laaS environment. Which of the following can be used to harden the operating system once the VM is running?
- A. Ansible
- B. Kubernetes
- C. Git
- D. Docker
Answer: A
Explanation:
Ansible can be used to harden the operating system once the VM is running. It is an automation tool that can configure systems, deploy software, and orchestrate more advanced IT tasks such as continuous deployments or zero downtime rolling updates.References: Ansible and other configuration management tools are part of the cloud management strategies discussed in the CompTIA Cloud+ certification material.
NEW QUESTION # 69
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. NAT
- C. DHCP
- D. DNS
Answer: D
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 # 70
A cloud engineer wants to implement a monitoring solution to detect cryptojacking and other cryptomining malware on cloud instances. Which of the following metrics would most likely be used to identify the activity?
- A. Percent of CPU utilization
- B. Average memory utilization
- C. Network packets
- D. Disk I/O
Answer: A
Explanation:
To detect cryptojacking and other cryptomining malware on cloud instances, monitoring the percent of CPU utilization is most effective. Cryptomining malware typically consumes a significant amount of CPU resources for mining operations, leading to unusually high CPU usage. Monitoring and analyzing CPU utilization metrics can help identify instances of cryptojacking by highlighting abnormal levels of resource consumption.
Reference: Understanding management and technical operations in cloud environments, as outlined in the CompTIA Cloud+ objectives, includes the use of monitoring solutions to detect and respond to security threats like cryptomining malware, ensuring the integrity and performance of cloud resources.
NEW QUESTION # 71
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