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NEW QUESTION # 124
A DevOps administrator is designing a new machine-learning platform. The application needs to be portable between public and private clouds and should be kept as small as possible. Which of the following approaches would BEST meet these requirements?
- A. Virtual machines
- B. Serverless computing
- C. Containers
- D. Software as a service
Answer: C
Explanation:
https://www.ibm.com/in-en/cloud/learn/containerization
NEW QUESTION # 125
An administrator recently provisioned a file server in the cloud. Based on financial considerations, the administrator has a limited amount of disk space. Which of the following will help control the amount of space that is being used?
- A. Software-defined storage
- B. User quotas
- C. Network file system
- D. Thick provisioning
Answer: B
NEW QUESTION # 126
A cloud engineer is designing a new cloud environment for an organization that requires resilient connectivity to cloud resources over diverse mediums. Which of the following is the best way to ensure resilient networking?
- A. Implement an SD-WAN solution with terrestrial, satellite, and cellular technologies.
- B. Provide 5G cellular backup circuits with multiple carriers.
- C. Install duplicate commercial circuits for active-passive failover.
- D. Obtain backup satellite connections for failover.
Answer: A
Explanation:
Detailed
A . Implement an SD-WAN solution with terrestrial, satellite, and cellular technologies: SD-WAN enables diverse networking mediums, ensuring failover and maximum resilience for connectivity. It provides redundancy and prioritizes traffic based on real-time conditions.
References:
CompTIA Cloud+ CV0-003 Study Guide Chapter 13: Cloud Networking Solutions.
NEW QUESTION # 127
A cloud administrator recently deployed an update to the network drivers of several servers.
Following the update, one of the servers no longer responds to remote login requests. The cloud administrator investigates the issue and gathers the following information:
- The cloud management console shows the VM is running and the CPU and
memory utilization is at or near 0%.
- The cloud management console does not show an IP address for that
server.
- A DNS lookup shows the hostname resolves to an IP address.
- The server is a member of the same security group as the others.
- The cloud administrator is able to log in remotely to the other
servers without issue.
Which of the following is the MOST likely cause of the server being unavailable?
- A. The network driver updates did not apply successfully, and the interface is in a down state.
- B. The ACL policy for the server was updated as part of the server reboot, preventing login access.
- C. The update caused an increase in the output to the logs, and the server is too busy to respond.
- D. The server was assigned a new IP address, and DNS entry for the server name was not updated.
Answer: D
NEW QUESTION # 128
A web server has been deployed in a public IaaS provider and has been assigned the public IP address of
72.135.10.100. Users are now reporting that when they browse to the website, they receive a message indicating the service is unavailable. The cloud administrator logs into the server, runs a netstat command, and notices the following relevant output:
Which of the following actions should the cloud administrator take to resolve the issue?
- A. Configure the WAF to filter requests from 17.3.130.3
- B. Modify the firewall on 72.135.10.100 to allow only UDP
- C. Update the gateway on the web server to use 72.135.10.1
- D. Assign a new IP address of 192.168.100.10 to the web server
Answer: C
Explanation:
Explanation
Updating the gateway on the web server to use 72.135.10.1 is the best action to take to resolve the issue of the web server being unavailable after being deployed in a public IaaS provider and assigned the public IP address of 72.135.10.100. Updating the gateway can ensure that the web server can communicate with the Internet and other networks by using the correct router or device that connects the web server's network to other networks.
Updating the gateway can also improve performance and reliability, as it can avoid any routing errors or conflicts that may prevent the web server from responding to remote login requests. References: CompTIA Cloud+ Certification Exam Objectives, page 15, section 2.8
NEW QUESTION # 129
A cloud administrator who is troubleshooting DNS issues discovers zone transfers are not occurring between the primary and secondary name servers due to an error in the serial numbers. Which of the following records should the administrator query for the serial number?
- A. PTR
- B. SRV
- C. SOA
- D. TXT
Answer: C
Explanation:
SOA stands for Start of Authority, and it is a type of DNS record that contains information about a DNS zone, such as the name of the primary name server, the email address of the zone administrator, the serial number of the zone, and other parameters. The serial number is used to indicate when a zone has been updated, and it is incremented by the primary name server whenever a change is made to the zone dat a. The secondary name servers use the serial number to determine if they need to request a zone transfer from the primary name server to synchronize their data.
NEW QUESTION # 130
A systems administrator is troubleshooting performance issues with a Windows VDI environment. Users have reported that VDI performance is very slow at the start of the workday, but the performance is fine during the rest of the day. Which of the following is the MOST likely cause of the issue? (Choose two.)
- A. RAM usage
- B. Affinity rule
- C. License issues
- D. Disk I/O limits
- E. Insufficient GPU resources
- F. CPU oversubscription
Answer: D,F
NEW QUESTION # 131
An organization is hosting a cloud-based web server infrastructure that provides web-hosting solutions.
Sudden continuous bursts of traffic have caused the web servers to saturate CPU and network utilizations.
Which of the following should be implemented to prevent such disruptive traffic from reaching the web servers?
- A. A solution to achieve microsegmentation
- B. Solutions to perform NAC and DLP
- C. DDoS protection
- D. QoS on the network
Answer: C
Explanation:
Distributed denial-of-service (DDoS) protection is a type of security solution that detects and mitigates DDoS attacks that aim to overwhelm or disrupt a system or service by sending large volumes of traffic from multiple sources. DDoS protection can prevent such disruptive traffic from reaching the web servers by filtering out malicious or unwanted traffic and allowing only legitimate traffic to pass through. DDoS protection can also help maintain the availability and functionality of web services and applications during a DDoS attack.
References: CompTIA Cloud+ Certification Exam Objectives, page 14, section 2.7 Reference: https://blog.paessler.com/the-top-5-causes-of-sudden-network-spikes
NEW QUESTION # 132
The QA team is testing a newly implemented clinical trial management (CTM) SaaS application that uses a business intelligence application for reporting. The UAT users were instructed to use HTTP and HTTPS.
Refer to the application dataflow:
1A - The end user accesses the application through a web browser to enter and view clinical data.
2A - The CTM application server reads/writes data to/from the database server.
1B - The end user accesses the application through a web browser to run reports on clinical data.
2B - The CTM application server makes a SOAP call on a non-privileged port to the BI application server.
3B - The BI application server gets the data from the database server and presents it to the CTM application server.
When UAT users try to access the application using https://ctm.app.com or http://ctm.app.com, they get a message stating: "Browser cannot display the webpage." The QA team has raised a ticket to troubleshoot the issue.
INSTRUCTIONS
You are a cloud engineer who is tasked with reviewing the firewall rules as well as virtual network settings.
You should ensure the firewall rules are allowing only the traffic based on the dataflow.
You have already verified the external DNS resolution and NAT are working.
Verify and appropriately configure the VLAN assignments and ACLs. Drag and drop the appropriate VLANs to each tier from the VLAN Tags table. Click on each Firewall to change ACLs as needed.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
- A. See explanation below
Answer: A
Explanation:
On firewall 3, change the DENY 0.0.0.0 entry to rule 3 not rule 1.
NEW QUESTION # 133
A marketing team is using a SaaS-based service to send emails to large groups of potential customers. The internally managed CRM system is configured to generate a list of target customers automatically on a weekly basis, and then use that list to send emails to each customer as part of a marketing campaign. Last week, the first email campaign sent emails successfully to 3,000 potential customers. This week, the email campaign attempted to send out 50,000 emails, but only 10,000 were sent.
Which of the following is the MOST likely reason for not sending all the emails?
- A. API request limit
- B. Misconfigured auto-scaling
- C. Incorrect billing account
- D. Bandwidth limitation
Answer: A
NEW QUESTION # 134
In an IaaS platform, which of the following actions would a systems administrator take FIRST to identify the scope of an incident?
- A. Perform a traffic capture.
- B. Conduct a memory acquisition.
- C. Retrieve data from a backup.
- D. Snapshot all volumes attached to an instance.
Answer: A
NEW QUESTION # 135
A company is concerned it will run out of VLANs on its private cloud platform in the next couple months, and the product currently offered to customers requires the company to allocate three dedicated, segmented tiers. Which of the following can the company implement to continue adding new customers and to maintain the required level of isolation from other tenants?
- A. GRE
- B. IPSec
- C. VXLAN
- D. SR-IOV
Answer: C
Explanation:
One possible solution for the company to continue adding new customers and to maintain the required level of isolation from other tenants is to implement VXLAN. VXLAN is a network virtualization technology that can extend VLAN by adding a 24-bit segment ID, which allows up to 16 million unique virtual segments.
VXLAN can encapsulate layer 2 Ethernet frames within layer 3 IP packets, and tunnel them across the underlying network. VXLAN can provide logical isolation and security for different tenants, as well as scalability and flexibility for large cloud computing environments1.
NEW QUESTION # 136
A cloud administrator needs to implement a mechanism to monitor the expense of the company's cloud resources.
Which of the following is the BEST option to execute this task with minimal effort?
- A. Set custom notifications for exceeding budget thresholds
- B. Use the API to collect expense information from cloud resources
- C. Implement a financial tool to monitor cloud resource expenses
- D. Ask the cloud provider to send a daily expense report
Answer: A
Explanation:
Setting custom notifications for exceeding budget thresholds is the best option to execute the task of monitoring the expense of the company's cloud resources with minimal effort, as it can automate and simplify the process of tracking and alerting the cloud administrator about any overspending or wastage of cloud resources. Setting custom notifications can also help optimize the cost and performance of cloud resources, as it can enable timely and proactive actions to adjust or optimize the resource allocation or consumption based on the budget limits. References: CompTIA Cloud+ Certification Exam Objectives, page 13, section 2.5
NEW QUESTION # 137
A systems administrator adds servers to a round-robin, load-balanced pool, and then starts receiving reports of the website being intermittently unavailable. Which of the following is the MOST likely cause of the issue?
- A. The network is being saturated.
- B. The load balancer is being overwhelmed.
- C. There are time synchronization issues.
- D. New web nodes are not operational.
- E. The API version is incompatible.
Answer: D
Explanation:
Explanation
New web nodes are not operational is the most likely cause of the issue of website being intermittently unavailable after adding servers to a round-robin, load-balanced pool. A round-robin, load-balanced pool is a method of distributing network traffic evenly and sequentially among multiple servers or nodes that provide the same service or function. A round-robin, load-balanced pool can help to improve performance, availability, and scalability of network applications or services by ensuring that no server or node is overloaded or underutilized. New web nodes are not operational if they are not configured properly or functioning correctly to provide web service or function. New web nodes are not operational can cause website being intermittently unavailable by disrupting the round-robin, load-balanced pool and creating inconsistency or unreliability in web service or function.
NEW QUESTION # 138
An organization requires the following to be achieved between the finance and marketing departments:
Allow HTTPS/HTTP.
Disable FTP and SMB traffic.
Which of the following is the MOST suitable method to meet the requirements?
- A. Configure an ACL between the VLANs
- B. Implement 802.1X in these VLANs
- C. Configure on-demand routing between the VLANs
- D. Implement an ADC solution to load balance the VLAN traffic
Answer: A
Explanation:
An access control list (ACL) is a set of rules that defines which traffic is allowed or denied between different network segments or devices. An ACL can be used to filter traffic based on various criteria, such as source and destination addresses, ports, protocols, and applications. Configuring an ACL between the VLANs of the finance and marketing departments is the most suitable method to meet the requirements of allowing HTTPS/HTTP and disabling FTP and SMB traffic. An ACL can specify which ports and protocols are permitted or blocked between the VLANs, such as allowing port 80 (HTTP) and port 443 (HTTPS), and denying port 21 (FTP) and port 445 (SMB). Reference: [CompTIA Cloud+ Certification Exam Objectives], page 15, section 2.8
NEW QUESTION # 139
A newly deployed public cloud tenant has been billed five times the forecasted amount. Which of the following is the most likely cause of the issue?
- A. Incorrect billing by the cloud provider.
- B. Incorrect tenant allocation.
- C. Incorrect responsibility model.
- D. Incorrect resource selection.
Answer: D
Explanation:
Detailed Explanation:
* D. Incorrect resource selection: Choosing resource types or sizes that exceed actual requirements can significantly inflate costs. Proper planning and monitoring are essential to avoid overspending.
References:
* CompTIA Cloud+ CV0-003 Study Guide Chapter 18: Optimizing Cloud Environments.
NEW QUESTION # 140
An organization recently deployed a private cloud on a cluster of systems that delivers compute, network, and storage resources in a single hardware, managed by an intelligent software. Which of the following BEST describes this type of deployment?
- A. Stand-alone computing
- B. Hyperconverged infrastructure
- C. High-performance computing
- D. Dynamic allocations
Answer: B
Explanation:
Hyperconverged infrastructure (HCI) is a type of deployment that combines compute, network, and storage resources in a single hardware appliance that is managed by an intelligent software layer. HCI simplifies the configuration and management of cloud resources, reduces hardware costs and complexity, and improves scalability and performance. Reference: CompTIA Cloud+ Certification Exam Objectives, Domain 1.0 Configuration and Deployment, Objective 1.2 Given a scenario involving requirements for deploying an application in the cloud, select an appropriate solution design.
NEW QUESTION # 141
Which of the following cloud services would MOST likely be selected by a software development company that needs a cloud in which to develop software and does not have infrastructure requirements?
- A. IaaS
- B. XaaS
- C. SaaS
- D. PaaS
Answer: D
NEW QUESTION # 142
A company has two identical environments (X and Y) running its core business application. As part of an upgrade, the X environment is patched/upgraded and tested while the Y environment is still serving the consumer workloads. Upon successful testing of the X environment, all workload is sent to this environment, and the Y environment is then upgraded before both environments start to manage the workloads. Which of the following upgrade methods is being used?
- A. Blue-green
- B. Active-passive
- C. Canary
- D. Development/production
Answer: A
Explanation:
Explanation
A blue-green deployment is a software deployment technique where two identical environments (X and Y) are used to switch between the old and new versions of the software. In this scenario, the X environment is patched/upgraded and tested while the Y environment is still serving the consumer workloads. Upon successful testing of the X environment, all workload is sent to this environment, and the Y environment is then upgraded before both environments start to manage the workloads. This is an example of a blue-green deployment, where one environment (blue) is active and serving the production traffic, while the other environment (green) is idle and ready to be updated. The advantage of this technique is that it allows for fast and easy rollbacks in case of any issues with the new version, as well as zero downtime for the users.
NEW QUESTION # 143
The security team for a large corporation is investigating a data breach. The team members are all trying to do the same tasks but are interfering with each other's work.
Which of the following did the team MOST likely forget to implement?
- A. A calling tree
- B. Change management
- C. Roles and responsibilities
- D. Incident type categories
Answer: C
Explanation:
Roles and responsibilities are definitions or descriptions of what each team member or stakeholder is expected to do or perform in a project or process. Roles and responsibilities can help clarify the scope, authority, and accountability of each team member or stakeholder and avoid any confusion or duplication of work. The security team most likely forgot to implement roles and responsibilities when investigating a data breach, as they are all trying to do the same tasks but are interfering with each other's work. Implementing roles and responsibilities can help improve efficiency and effectiveness, as it can ensure that each team member or stakeholder knows what tasks they need to do and how they need to coordinate with others.
References: CompTIA Cloud+ Certification Exam Objectives, page 13, section 2.5
NEW QUESTION # 144
A newly deployed public cloud tenant has been billed five times the forecasted amount. Which of the following is the most likely cause of the issue?
- A. Incorrect billing by the cloud provider.
- B. Incorrect tenant allocation.
- C. Incorrect responsibility model.
- D. Incorrect resource selection.
Answer: D
Explanation:
Detailed
D . Incorrect resource selection: Choosing resource types or sizes that exceed actual requirements can significantly inflate costs. Proper planning and monitoring are essential to avoid overspending.
References:
CompTIA Cloud+ CV0-003 Study Guide Chapter 18: Optimizing Cloud Environments.
NEW QUESTION # 145
After a hardware upgrade on a private cloud system, the systems administrator notices a considerable drop in network performance. Which of the following is MOST likely the cause?
- A. The cluster placement
- B. The memory
- C. The driver
- D. The CPU
Answer: A
NEW QUESTION # 146
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