QUESTION: 121

A very old PC is running a critical, proprietary application in MS-DOS. Administrators are concerned about the stability of this computer. Installation media has been lost, and the vendor is out of business.
Which of the following would be the BEST course of action to preserve business continuity?

Perform scheduled chkdsk tests.
Purchase matching hardware and clone the disk.
Upgrade the hard disk to SSD.
Perform quarterly backups.

Answer(s): B

Explanation:

The best course of action to preserve business continuity for a very old PC that is running a critical, proprietary application in MS-DOS is to purchase matching hardware and clone the disk. This way, the technician can create an exact copy of the PC's configuration and data on another PC that has the same specifications and compatibility. This will ensure that the application can run smoothly on the new PC without any installation or configuration issues. Performing scheduled chkdsk tests would not help, as chkdsk is a tool that checks and repairs disk errors, but does not prevent hardware failures or software compatibility issues. Upgrading the hard disk to SSD would not help either, as SSDs may not be compatible with the old PC or the MS-DOS operating system. Performing quarterly backups would help with data protection, but not with hardware availability or software compatibility.

Reference:

https://www.howtogeek.com/199068/how-to-upgrade-your-existing-hard- drive-in-under-an-hour/ https://www.howtogeek.com/66776/how-to-repair-disk-errors-in-windows- 7/

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QUESTION: 122

A technician is attempting to reboot a remote physical Linux server. However, attempts to command a shutdown -----now result in the loss of the SSH connection. The server still responds to pings.
Which of the following should the technician use to command a remote shutdown?

virtual serial console
A KVM
An IDRAC
A crash cart

Answer(s): C

Explanation:

An IDRAC (Integrated Dell Remote Access Controller) is a tool that can be used to command a remote shutdown of a physical Linux server. An IDRAC is a hardware device that provides out-of-band management for Dell servers. It allows the technician to access the server's console, power cycle, reboot, or shut down the server remotely using a web interface or a command-line interface. An

IDRAC does not depend on the operating system or network connectivity of the server. A virtual serial console is a tool that can be used to access a remote virtual machine's console using a serial port connection. A KVM (Keyboard, Video, Mouse) switch is a device that allows the technician to switch between different computer sources using the same keyboard, monitor, and mouse. A crash cart is a mobile unit that contains a keyboard, monitor, mouse, and other tools that can be connected to a physical server for troubleshooting purposes.

Reference:

https://www.dell.com/support/kbdoc/en-us/000131486/understanding-the-idrac https://www.howtogeek.com/799968/what-is-a-kvm-switch/ https://www.techopedia.com/definition/1032/business-impact-analysis-bia

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QUESTION: 123

An administrator is troubleshooting a RAID issue in a failed server. The server reported a drive failure, and then it crashed and would no longer boot. There are two arrays on the failed server: a two-drive RAIO 0 set tor the OS, and an eight-drive RAID 10 set for dat

Which of the following failure scenarios MOST likely occurred?
A drive failed in the OS array.
A drive failed and then recovered in the data array.
A drive failed in both of the arrays.
A drive failed in the data array.

Answer(s): A

Explanation:

If a server has two arrays on the failed server: a two-drive RAID 0 set for the OS, and an eight-drive RAID 10 set for data, then the most likely failure scenario that caused the server to crash and not boot is that a drive failed in the OS array. RAID 0 is a RAID configuration that stripes data across two or more drives without parity or redundancy. RAID 0 offers high performance but no fault tolerance. If one drive fails in RAID 0, all data is lost and the system cannot boot. RAID 10 is a RAID configuration that combines disk mirroring and disk striping with parity. RAID 10 offers high performance and fault tolerance. RAID 10 can tolerate up to one drive failure per mirrored pair without losing data or functionality.

Reference:

https://www.technewstoday.com/what-is-a-raid-0/ https://www.technewstoday.com/what-is-a-raid-10/

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QUESTION: 124

Which of the following technologies would allow an administrator to build a software RAID on a Windows server?

Logical volume management
Dynamic disk
GPT
UEFI

Answer(s): B

Explanation:

Dynamic disk is a technology that allows an administrator to build a software RAID on a Windows server. Dynamic disk is a type of disk management that supports creating volumes that span multiple disks, stripe data across disks, mirror data between disks, or use parity for fault tolerance. Dynamic disk can be used to create RAID 0 (striping), RAID 1 (mirroring), RAID 5 (striping with parity), or spanned volumes on Windows servers. Logical volume management is a technology that allows creating and resizing logical volumes on Linux servers. GPT (GUID Partition Table) is a standard for defining the partition structure on a disk. UEFI (Unified Extensible Firmware Interface) is a specification for the interface between the operating system and the firmware.

Reference:

https://www.howtogeek.com/school/using-windows-admin-tools-like-a-pro/lesson2/ https://www.howtogeek.com/howto/40702/how-to-manage-and-use-lvm-logical-volume- management-in-ubuntu/ https://www.howtogeek.com/193669/whats-the-difference-between-gpt- and-mbr-when-partitioning-a-drive/ https://www.howtogeek.com/56958/htg-explains-how-uefi- will-replace-the-bios/

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QUESTION: 121

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QUESTION: 124

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