SK0-005 Online Practice Questions and Answers

Correct Answer: B

Out-of-band console is a tool that can be used to command a remote shutdown of a physical Linux server. Out-of-band console is a method of accessing a server's console through a dedicated management port or device that does not rely on the server's operating system or network connection. Out-of-band console can be used to power cycle, reboot, update firmware, monitor performance, and perform other tasks remotely even if the server is unresponsive or offline. Crash cart is a mobile unit that contains a keyboard, monitor, mouse, and other tools that can be used to troubleshoot a server on-site, but it requires physical access to the server. IP KVM (Internet Protocol Keyboard Video Mouse) switch is a hardware device that allows remote access to multiple servers using a web browser or a client software, but it requires network connectivity and may not work if the SSH connection is lost. RDP (Remote Desktop Protocol) is a protocol that allows remote access to a Windows server's graphical user interface, but it does not work on Linux servers and requires network connectivity. References: https://www.techopedia.com/definition/13623/crash-cart https://www.techopedia.com/definition/13624/kvm-switch https://www.techopedia.com/definition/3422/remote-desktop-protocol-rdp

Correct Answer: ABH

These are the port numbers that must be configured on a host-based firewall for a server that needs to allow SSH, FTP, and LDAP traffic. A port number is a numerical identifier that specifies a communication endpoint for a network protocol

or an application. A host-based firewall is a software tool that monitors and controls incoming and outgoing network traffic on a single host based on predefined rules. SSH (Secure Shell) is a protocol that allows secure remote access and file

transfer over an encrypted connection. The default port number for SSH is 22. FTP (File Transfer Protocol) is a protocol that allows transferring files between hosts over a network connection. The default port number for FTP is 21. LDAP

(Lightweight Directory Access Protocol) is a protocol that allows accessing and managing directory services over a network connection. The default port number for LDAP is 389.

References:

https://www.howtogeek.com/190014/virtualization-basics-understanding-techniques-and-fundamentals/

https://www.howtogeek.com/220152/what-is-the-difference-between-127.0.0.1-and-0.0.0.0/

https://www.howtogeek.com/428483/what-is-end-to-end-encryption-and-why-does-it-matter/

Correct Answer: B

Correct Answer: D

To ensure a storage array can survive the failure of two drives without losing data, the server administrator should choose RAID 6. RAID 6 provides two levels of parity protection, which means that data can be reconstructed even if two drives fail simultaneously. This is achieved by storing two sets of parity data across all drives in the array, which allows the array to survive multiple drive failures while maintaining data integrity.

RAID 0 does not provide any redundancy and does not protect against drive failures. RAID 1 provides mirroring of data between two drives, but it only protects against the failure of a single drive. RAID 5 provides a single level of parity protection, which allows the array to survive a single drive failure, but not two failures.

Correct Answer: B

Option B, which involves converting the physical servers to the hypervisors and retiring the ten servers, would address the request with minimal server downtime and reduce power consumption and maintenance costs. Since the hypervisors

are new and have low utilization, there is ample capacity to virtualize the existing physical servers. This would reduce the number of physical servers, resulting in lower power consumption and maintenance costs.

Option A, which involves unplugging power cables, may result in unexpected downtime and would not reduce power consumption or maintenance costs.

Option C, which involves re-imaging the physical servers and retiring them after the migration is complete, would require significant downtime and would not necessarily reduce power consumption or maintenance costs.

Option D, which involves converting the physical servers to power-efficient core editions, may reduce power consumption, but would not necessarily ad

Correct Answer: C

Correct Answer: A

Correct Answer: C

Correct Answer: C

Correct Answer: B

Explanation: A cold site is a backup facility with little or no hardware equipment installed. A cold site is the most cost-effective option among the three disaster recovery sites. However, due to the fact that a cold site doesn't have any preinstalled equipment, it takes a lot of time to properly set it up so as to fully resume business operations1.