Question 1mediummultiple choice
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Refer to the exhibit. # lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 100G 0 disk ├─sda1 8:1 0 1G 0 part /boot ├─sda2 8:2 0 49G 0 part / └─sda3 8:3 0 50G 0 part /home sdb 8:16 0 100G 0 disk └─sdb1 8:17 0 100G 0 part sdc 8:32 0 100G 0 disk └─sdc1 8:33 0 100G 0 part
Drag steps to the numbered slots on the right, or tap a step then tap a slot.
Drag steps to the numbered slots on the right, or tap a step then tap a slot.
Drag a concept onto its matching description — or click a concept then click the description.
A storage device or partition used by LVM
A pool of physical volumes that can be allocated to logical volumes
A virtual block device created from a volume group
The smallest allocatable unit in a physical volume
Maps to a physical extent in a logical volume
Drag a concept onto its matching description — or click a concept then click the description.
Packet filtering firewall using netfilter
Successor to iptables with improved syntax
Mandatory access control (MAC) system
Mandatory access control using profiles
Intrusion prevention by banning IPs based on logs
# blkid /dev/sda1: UUID="abcd-1234" TYPE="ext4" /dev/sda2: UUID="efgh-5678" TYPE="swap" /dev/sdb1: UUID="ijkl-9012" TYPE="ext4" PARTUUID="12345678-01"
# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg-data 20G 16G 4.0G 80% /data
# cat /proc/mdstat
Personalities : [raid1] [raid6] [raid5] [raid4]
md0 : active raid1 sdb1[0] sdc1[1]
2097152 blocks [2/2] [UU]
unused devices: <none>mount -t tmpfs -o size=2G,noexec,nosuid tmpfs /mnt/tmp ls -la /mnt/tmp total 4 drwxrwxrwt 2 root root 40 Oct 27 10:00 . drwxr-xr-x 3 root root 4096 Oct 27 09:55 ..
cat /etc/multipath.conf
defaults {
user_friendly_names yes
find_multipaths yes
}
blacklist {
devnode "^sd[a-z]"
}
multipath -ll
mpathb (36005076303ffc300000000000000374) dm-2 HP,MB3000FCAPA
size=1.0T features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=0 status=active
|- 1:0:0:0 sdb 8:16 active ready runningRefer to the exhibit. # lsblk -o NAME,SIZE,TYPE,MOUNTPOINT NAME SIZE TYPE MOUNTPOINT sda 50G disk ├─sda1 20G part / ├─sda2 2G part [SWAP] └─sda3 28G part /var sdb 20G disk