Module 6 Flashcards

1
Q

What do subdirectories whose names are numbers under /proc directory represent?

Installed hardware
Processes
Lost+Found files
Logs

A

Processes

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2
Q

Which statement describes ZFS?

  • Can detect and repair data errors automatically as data is read and written
  • Mounted through /etc/fstab
  • Designed for ease of administration with simplicity and minimal capabilities
  • Will become the replacement for Ext4
A
  • Can detect and repair data errors automatically as data is read and written
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3
Q

What is system rescue?

  • The process of using a live OS to repair problems associated with the live OS.
  • The process of using a live OS to repair problems on another Linux system installed on a separate disk.
  • The process of using the installed tools on the current system to repair problems associated with the current system.
  • The process of saving power on the current system.
A
  • The process of using a live OS to repair problems on another Linux system installed on a separate disk.
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4
Q

Which of the hypervisors below are type 2? (Select two)

  • Citrix Xen
  • Microsoft Hyper-Drive
  • VMware Workstation
  • VMware ESXi
  • Oracle Virtual Box
A
  • VMware Workstation

- Oracle Virtual Box

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5
Q

Which statements describe a hypervisor? (Select two)

  • Only Available on Linux servers
  • Offers physical redundancy on a single piece of hardware
  • Enables virtual machines to access virtualized hardware
  • Allows multiple instances of OSs to run simultaneously on one physical server
A
  • Enables virtual machines to access virtualized hardware

- Allows multiple instances of OSs to run simultaneously on one physical server

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6
Q

Due to advancements in computing technology, there is a thin line between high end business PCs and enterprise servers’ hardware specifications.

  • True
  • False
A

-False

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7
Q

Which statements describe a server installation process? (Select three)

  • No GUI interface
  • IP address is dynamically assigned
  • System service configuration offered during installation
  • Provided with a choice of packages and only the necessary ones are selected and installed
A
  • No GUI interface
  • System service configuration offered during installation
  • Provided with a choice of packages and only the necessary ones are selected and installed
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8
Q

Today, web, mail, print, and other services are run on physically separate enterprise servers.

  • True
  • False
A
  • False
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9
Q

What does the dmesg command do?

  • Analyzes core dump files
  • Delete log files
  • Displays messages generated by device drivers
  • Detaches message
A
  • Displays messages generated by device drivers
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10
Q

BTRFS can detect and repair data errors automatically as data is read and written.

  • True
  • False
A
  • False
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11
Q

Which type of RAID can be entirely configured during the Linux installation process?

  • hardware RAID
  • software RAID
  • firmware RAID
  • serial RAID
A
  • software RAID
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12
Q

Which of the following commands can be used on a modern Linux system to view the same information show by the dmesg command?

  • less /var/log/boot.log
  • less /var/log/messages
  • journalctl -b
  • journalctl -k
A
  • journalctl -k
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13
Q

What component of a Linux server is used to connect to a Fibre Channel SAN?

  • C initiator
  • FC target
  • FC HBA
  • WWPN
A
  • FC HBA
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14
Q

You want to view log files to get information about a problem that occurred during a Linux installation. In which directory will you likely find the log files?

  • /root/log
  • /sys/log
  • /var/log
  • /etc/log
A
  • /var/log
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15
Q

Which of the following commands can quickly determine whether your network hardware was detected properly following a Linux installation?

  • cat /proc/modules/network
  • lspci
  • lshw -class network
  • dmesg
A
  • lshw -class network
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16
Q

Which command can you use during a system rescue to switch from the root of the live OS to the root of the Linux system installed on the hard disk?

  • mount
  • sysimage
  • chroot
  • rescue
A
  • chroot
17
Q

When viewing the output of the lsmod command, you notice several modules that start with vmw. What does this indicate?

  • Linux is running as a guest operating system.
  • Device drivers need to be installed on your system.
  • There is no virtual memory in your system.
  • The system is running the KVM hypervisor.
A
  • Linux is running as a guest operating system.
18
Q

Which of the following describes a computer that is used to access an iSCSI hard disk across the network?

  • iSCSI target
  • iSCSI requestor
  • iSCSI initiator
  • iSCSI terminator
A
  • iSCSI initiator
19
Q

Linux servers are typically installed in a rack using rackmount server hardware. Which of the following describes the minimum height of a rackmount server?

  • 1U
  • Series A
  • Type A
  • Level 5
A
  • 1U
20
Q

BTRFS filesystems do not need to be checked for errors as they are resilient to data corruption.

  • True
  • False
A
  • False