Module 6 Flashcards
What do subdirectories whose names are numbers under /proc directory represent?
Installed hardware
Processes
Lost+Found files
Logs
Processes
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
- Can detect and repair data errors automatically as data is read and written
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.
- The process of using a live OS to repair problems on another Linux system installed on a separate disk.
Which of the hypervisors below are type 2? (Select two)
- Citrix Xen
- Microsoft Hyper-Drive
- VMware Workstation
- VMware ESXi
- Oracle Virtual Box
- VMware Workstation
- Oracle Virtual Box
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
- Enables virtual machines to access virtualized hardware
- Allows multiple instances of OSs to run simultaneously on one physical server
Due to advancements in computing technology, there is a thin line between high end business PCs and enterprise servers’ hardware specifications.
- True
- False
-False
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
- No GUI interface
- System service configuration offered during installation
- Provided with a choice of packages and only the necessary ones are selected and installed
Today, web, mail, print, and other services are run on physically separate enterprise servers.
- True
- False
- False
What does the dmesg command do?
- Analyzes core dump files
- Delete log files
- Displays messages generated by device drivers
- Detaches message
- Displays messages generated by device drivers
BTRFS can detect and repair data errors automatically as data is read and written.
- True
- False
- False
Which type of RAID can be entirely configured during the Linux installation process?
- hardware RAID
- software RAID
- firmware RAID
- serial RAID
- software RAID
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
- journalctl -k
What component of a Linux server is used to connect to a Fibre Channel SAN?
- C initiator
- FC target
- FC HBA
- WWPN
- FC HBA
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
- /var/log
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
- lshw -class network
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
- chroot
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.
- Linux is running as a guest operating system.
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
- iSCSI initiator
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
- 1U
BTRFS filesystems do not need to be checked for errors as they are resilient to data corruption.
- True
- False
- False
