A cloud administrator has been using a custom VM deployment script. After three months of use, the script no longer joins the LDAP domain. The cloud administrator verifies the account has the correct permissions. Which of the following is the MOST likely cause of the failure?
A. Incorrect encryption ciphers
B. Broken trust relationship
C. Invalid certificates
D. Expired password
Correct Answer: D
An expired password is the most likely cause of the failure of a custom VM deployment script that no longer joins the LDAP domain. LDAP (Lightweight Directory Access Protocol) is a protocol that allows access and management of directory services, such as user accounts, groups, permissions, etc., over a network. LDAP can be used to authenticate and authorize users or devices to access network resources or systems. An expired password is a password that has reached its validity period and needs to be changed or renewed. An expired password can prevent users or devices from joining or accessing an LDAP domain, as it may indicate that the account is inactive, compromised, or outdated.
Question 172:
A systems administrator needs to migrate email services to the cloud model that requires the least amount of administrative effort. Which of the following should the administrator select?
A. DBaaS
B. SaaS
C. IaaS
D. PaaS
Correct Answer: B
The cloud model that requires the least amount of administrative effort to migrate email services is software as a service (SaaS). SaaS is a cloud model that provides applications or software that are hosted and managed by a cloud provider and delivered to users over the internet. SaaS eliminates the need for installing, configuring, updating, or maintaining the software or its underlying infrastructure, as these tasks are handled by the cloud provider. The systems administrator only needs to subscribe to the email service and configure the user accounts and settings. Reference: CompTIA Cloud+ Certification Exam Objectives, Domain 1.0 Configuration and Deployment, Objective 1.4 Given a scenario, execute a provided deployment plan.
Question 173:
A systems administrator is using a configuration management tool to perform maintenance tasks in a system. The tool is leveraging the target system's API to perform these maintenance tasks After a number of features and security updates are applied to the target system, the configuration management tool no longer works as expected. Which of the following is the MOST likely cause of the issue?
A. The target system's API functionality has been deprecated
B. The password for the service account has expired
C. The IP addresses of the target system have changed
D. The target system has failed after the updates
Correct Answer: A
The target system's API (Application Programming Interface) functionality has been deprecated is what will most likely cause the issue of configuration management tool no longer working as expected after using it to perform maintenance tasks in a system using its API, and applying features and security updates to it. An API is a set of rules or specifications that defines how different software components or systems can communicate and interact with each other. An API functionality is a feature or function that an API provides or supports, such as methods, parameters, responses, etc. An API functionality can be deprecated when it is no longer maintained or supported by the API provider or developer, and is replaced or removed by a newer or better functionality. The target system's API functionality has been deprecated can cause the issue by making the configuration management tool unable to use or access the API functionality that it relies on to perform maintenance tasks in the system, which may result in errors or failures.
Question 174:
A system administrator supports an application in the cloud, which includes a restful API that receives an encrypted message that is passed to a calculator system. The administrator needs to ensure the proper function of the API using a new automation tool. Which of the following techniques would be BEST for the administrator to use to accomplish this requirement?
A. Functional testing
B. Performance testing
C. Integration testing
D. Unit testing
Correct Answer: A
Functional testing is a testing technique that involves testing the functionality of an application to ensure that it performs the intended tasks correctly. In this case, the API is expected to receive an encrypted message and pass it to a calculator system, so functional testing can help ensure that the API is working properly and is passing the message correctly to the calculator system. Other types of testing, such as performance testing, integration testing, and unit testing, may also be useful in some contexts, but functional testing is the most appropriate option for ensuring that the API is functioning properly.
A user reports a poor-quality remote VDI session. Which of the following should the help desk technician do FIRST to troubleshoot the issue?
A. Check the FAQ section of the vendor's documentation.
B. Ask the user if the client device or access location has changed.
C. Reboot the user's virtual desktop.
D. Request permission to log in to the device remotely.
Correct Answer: B
Asking the user if the client device or access location has changed is what the help desk technician should do first to troubleshoot poor-quality remote VDI (Virtual Desktop Infrastructure) session. VDI is a technology that allows users to access virtual desktops hosted on remote servers over a network or internet connection. VDI can provide users with flexibility, mobility, and security, but it may also introduce quality issues depending on various factors, such as: The client device: This is the device that users use to access their virtual desktops, such as a laptop, tablet, smartphone, etc. The client device can affect VDI quality by determining how well it can support and display virtual desktop applications and services, as well as how fast it can process and send data over a network or internet connection. The access location: This is where users access their virtual desktops from, such as home, office, public place, etc. The access location can affect VDI quality by determining how stable and secure their network or internet connection is, as well as how much latency or interference they may experience. Asking the user if these factors have changed can help to troubleshoot poor-quality remote VDI session by identifying any potential causes or sources of quality issues, as well as suggesting any possible solutions or alternatives.
Question 176:
A cloud administrator wants to have a central repository for all the logs in the company's private cloud. Which of the following should be implemented to BEST meet this requirement?
A. SNMP
B. Log scrubbinga
C. CMDB
D. A syslog server
Correct Answer: D
A syslog server is what the administrator should implement to have a central repository for all the logs in the company's private cloud. Syslog is a standard protocol that allows network devices and systems to send log messages to a centralized server or collector. Syslog can help to consolidate and manage logs from different sources in one place, which can facilitate monitoring, analysis, troubleshooting, auditing, etc.
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. Software as a service
C. Serverless computing
D. Containers
Correct Answer: D
Containers are the best approach to design a new machine-learning platform that needs to be portable between public and private clouds and should be kept as small as possible. Containers are isolated environments that can run applications and their dependencies without interfering with other processes or systems. Containers are lightweight, portable, and scalable, which makes them ideal for machine-learning applications. Containers can be moved easily between public and private clouds without requiring any changes or modifications. Containers can also reduce the size and complexity of applications by using only the necessary components and libraries.
A systems administrator wants to ensure two VMs remain together on the same host. Which of the following must be set up to enable this functionality?
A. Affinity
B. Zones
C. Regions
D. A cluster
Correct Answer: A
Affinity is what must be set up to ensure two VMs remain together on the same host. Affinity is a feature that allows customers to specify preferences or requirements for placing VMs on certain hosts or clusters within a cloud environment. Affinity can help to improve performance, availability, compatibility, or security of VMs by ensuring they are located on optimal hosts or clusters. Affinity can also help to keep two VMs together on the same host by creating an affinity rule that binds them together.
Question 179:
A cloud solutions architect needs to determine the best strategy to deploy an application environment in production, given the following requirements:
1.
No downtime
2.
Instant switch to a new version using traffic control for all users
Which of the following deployment strategies would be the BEST solution?
A. Hot site
B. Blue-green
C. Canary
D. Rolling
Correct Answer: B
Blue-green is the best deployment strategy to deploy an application environment in production, given the requirements of no downtime and instant switch to a new version using traffic control for all users. Blue-green is a deployment strategy that involves having two identical environments, one running the current version of the application (blue) and one running the new version of the application (green). The traffic is directed to the blue environment by default, while the green environment is tested and verified. When the new version is ready to go live, the traffic is switched to the green environment using a router or load balancer, without any downtime or interruption. The blue environment can be kept as a backup or updated with the new version for future deployments.
A cloud administrator is working in a secure government environment. The administrator needs to implement corrective action due to recently identified security issue on the OS of a VM that is running a facility-management application in a cloud environment. The administrator needs to consult the application vendor, so it might take some time to resolve the issue. Which of the following is the FIRST action the administrator should take while working on the resolution?
A. Shut down the server.
B. Upgrade the OS
C. Update the risk register.
D. Raise a problem ticket.
Correct Answer: D
Raising a problem ticket is the first action that the administrator should take while working on the resolution of a security issue on the OS of a VM that is running a facility-management application in a cloud environment. A problem ticket is a record of an incident or issue that affects or may affect the normal operation or performance of a system or service. A problem ticket contains information such as description, priority, status, root cause, solution, etc., that can help to track and manage the problem resolution process. Raising a problem ticket can help to communicate and document the security issue, assign responsibility and accountability, monitor progress and performance, and prevent recurrence.
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