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CompTIA SK0-005 Exam, commonly known as the CompTIA Server+ certification, is a vendor-neutral certification that validates the candidates' skills and knowledge in areas such as server architecture, storage, security, troubleshooting, disaster recovery, and virtualization. CompTIA Server+ Certification Exam certification exam is designed for IT professionals who work in data centers, server rooms, or cloud environments, and who need to maintain, manage, and configure servers and related technologies.
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NEW QUESTION # 503
Which of me following is the BEST action to perform before applying patches to one of the hosts in a high availability cluster?
Answer: D
Explanation:
Explanation
This is the best action to perform before applying patches to one of the hosts in a high availability cluster. A high availability cluster is a group of hosts that act like a single system and provide continuous uptime. A high availability cluster is often used for load balancing, backup, and failover purposes. Failover is a process of transferring workloads from one host to another in case of a failure or maintenance. By failing over all VMs (Virtual Machines) from the host that needs to be patched to another host in the cluster, the technician can ensure that there is no downtime or data loss during the patching process. Disabling the heartbeat network is not a good action to perform, as this would disrupt the communication and synchronization between the hosts in the cluster. Fallback cluster services is not a valid term, but it may refer to restoring cluster services after a failover, which is not relevant before applying patches. Setting the cluster to active-active is not a good action to perform, as this would increase the load on both hosts and reduce redundancy. References:
https://www.howtogeek.com/190014/virtualization-basics-understanding-techniques-and-fundamentals/
https://www.howtogeek.com/428483/what-is-end-to-end-encryption-and-why-does-it-matter/
NEW QUESTION # 504
Users ate experiencing issues when trying to access resources on multiple servers. The servers are virtual and run on an ESX server. A systems administrator is investigating but is unable to connect to any of the virtual servers. When the administrator connects to the host, a purple screen with while letters appears. Which of the following troubleshooting steps should the administrator perform FIRST?
Answer: D
Explanation:
Explanation
A purple screen with white letters on an ESX server indicates a kernel panic, which is a fatal error that causes the system to crash and stop functioning3. The first troubleshooting step that an administrator should perform is to review the log files, which may contain information about the cause of the error, such as hardware failures, software bugs, or configuration issues4. Checking the power supplies (A) may not be relevant, as the system is still displaying a screen. Reinstalling the ESX server or reseating the processors (D) are drastic measures that may result in data loss or further damage, and should only be attempted after ruling out other possible causes. References: 3 https://kb.vmware.com/s/article/1014508 4
https://www.altaro.com/vmware/vmware-esxi-purple-screen-death/
NEW QUESTION # 505
Alter rack mounting a server, a technician must install four network cables and two power cables for the server. Which of the following is the MOST appropriate way to complete this task?
Answer: D
NEW QUESTION # 506
A senior administrator instructs a technician to run the following script on a Linux server:
for i in {1..65536); do echo Si; telnet localhost $i; done
The script mostly returns the following message: Connection refused.
However, there are several entries in the console display that look like this:
80
Connected to localhost
443
Connected to localhost
Which of the following actions should the technician perform NEXT?
Answer: D
Explanation:
The script that the technician is running is trying to connect to every port on the localhost (the same machine) using telnet, a network protocol that allows remote access to a command-line interface. The script mostly fails because most ports are closed or not listening for connections. However, the script succeeds on ports 80 and
443, which are the default ports for HTTP and HTTPS protocols, respectively. These protocols are used for web services and web browsers. Therefore, the technician should look for an unauthorized HTTP service on this server, as it may indicate a security breach or a misconfiguration. Looking for a virus infection on this server is also possible, but not the most likely source of the issue. Looking for an unauthorized Telnet service on this server is not relevant, as the script is using telnet as a client, not a server. Looking for an unauthorized port scanning service on this server is not relevant, as the script is scanning ports on the localhost, not on other machines. References:
* https://phoenixnap.com/kb/telnet-windows
* https://www.techopedia.com/definition/23337/http-port-80
* https://www.techopedia.com/definition/23336/https-port-443
NEW QUESTION # 507
A systems administrator needs to back up changes made to a data store on a daily basis during a short time frame. The administrator wants to maximize RTO when restoring data. Which of the following backup methodologies would best fit this scenario?
Answer: B
Explanation:
Explanation
An incremental backup is a backup method that only backs up the files that have changed since the last backup, whether it was a full or an incremental backup. An incremental backup can save disk space and time, as it only copies the new or modified data. An incremental backup can also improve the RTO (Recovery Time Objective), which is the maximum acceptable time to restore data after a disaster. This is because an incremental backup can restore data faster than a full or a differential backup, as it only needs to apply the latest changes to the previous backup1.
NEW QUESTION # 508
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