1Z0-106無料問題集「Oracle Linux 8 Advanced System Administration」

質問 1

Which two statements are true about removing a physical volume (PV) from a volume group (VG)?

（A）It can be removed when an inactive logical volume is on the VG.

（B）It can be removed when it is part of an active VG.

（C）It can be removed only after removing it from its VG by using vgreduce.

（D）It can be removed when an active VG has mounted file systems by running vgexport.

（E）It cannot be removed when it is part of an active VG.

正解：A、C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

You must prevent Ksplice from reapplying updates at the next system reboot. Which two commands or parameters can do this?

（A）uptrack=0

（B）uptrack-remove -all

（C）nouptrack

（D）uptrack-upgrade -n

（E）touch /etc/uptrack/disable

正解：B、E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

Examine these commands executed by root:
# mkdir -p /jail /jail/bin /jail/lib64
# cp $(which bash) /jail/bin/
# ldd $(which bash)
linux-vdso.so.1 (0x00007ffd574f5000)
libtinfo.so.6 => /lib64/libtinfo.so.6 (0x00007fb458c2c000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007fb458a28000)
libc.so.6 => /lib64/libc.so.6 (0x00007fb458666000)
/lib64/ld-linux-x86-64.so.2 (0x00007fb459177000)
# cp /lib64/libtinfo.so.6 /jail/lib64/
# cp /lib64/libdl.so.2 /jail/lib64/
# cp /lib64/libc.so.6 /jail/lib64/
# cp /lib64/ld-linux-x86-64.so.2 /jail/lib64/
# chroot /jail
What is the output from the cd, pwd, and ls commands?

（A）bash-4.4# cd
bash: cd: command not found
bash-4.4# pwd
bash: pwd: command not found
bash-4.4# ls
bash: ls: command not found

（B）bash-4.4# cd
bash: cd: /root: No such file or directory
bash-4.4# pwd
/root
bash-4.4# ls
bash: ls: command not found

（C）bash-4.4# cd
bash: cd: /root: No such file or directory
bash-4.4# pwd
/
bash-4.4# ls
bin lib64

（D）bash-4.4# cd
bash: cd: /root: Unable to access chrooted file or directory /root
bash-4.4# pwd
/
bash-4.4# ls
bin lib64

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

Examine /etc/anacrontab:
SHELL=/bin/sh
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
# the maximal random delay added to the base delay of the jobs
RANDOM_DELAY=45
# the jobs are started during the following hours only
START_HOURS_RANGE=3-22
# period in days delay in minutes job-identifier command
1 5 dailyjob nice run-parts /etc/cron.daily
7 25 weeklyjob nice run-parts /etc/cron.weekly
@monthly 45 monthlyjob nice run-parts /etc/cron.monthly
Which two statements are true about the jobs scheduled in this file?

（A）Scripts run by the third job are delayed between 45 and 90 minutes.

（B）Scripts run by the second job are delayed between 31 and 70 minutes.

（C）Scripts run by the first job are delayed between 11 and 45 minutes.

（D）Jobs defined in this anacrontab file can be executed between 15:00 and 22:00

（E）Jobs defined in this anacrontab file are randomly delayed by up to 51 minutes.

正解：A、D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 5

Examine this command and output:
# mdadm --detail /dev/md0
/dev/md0:
Version: 1.2
Creation Time: Tue Oct 27 16:53:38 2020
Raid Level: raid5
Array Size: 207872 (203.03 MiB 212.86 MB)
Used Dev Size: 103936 (101.52 MiB 106.43 MB)
Raid Devices: 3
Total Devices: 3
Persistence : Superblock is persistent
Update Time: Tue Oct 27 16:53:38 2020
State: clean, degraded, recovering
Active Devices: 2
Working Devices: 3
Failed Devices: 0
Spare Devices: 1
Layout: left-symmetric
Chunk Size: 512K
Rebuild Status: 60% complete
Name: ol8.example.com:0 (local to host ol8.example.com)
UUID: 70f8bd2f:0505d92d:750a781e:c224508d
Events: 66
Number Major Minor RaidDevice State
0 8 49 0 active sync /dev/sdd1
1 8 65 1 active sync /dev/sde1
3 8 81 2 spare rebuilding /dev/sdf1
Which two are true?

（A）The RAID set read and write performance is currently sub-optimal.

（B）Only write performance is currently sub-optimal on this RAID set.

（C）A RAID device failed and has returned to normal operating status.

（D）An extra device was added to this RAID set to increase its size.

（E）A new RAID device was just added to replace a failed one.

正解：A、E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

Which command configures a fully functional and accessible interface on VLAN 800?

（A）modprobe 8021q ip address add 10.135.1.120/24 dev eth0.800 ip link set eth0.800 up

（B）modprobe 8021q ip link add link eth0 name eth0.800 type vlan id 800 ip address add 10.135.1.120/24 dev eth0.800 ip link set eth0.800 up

（C）modprobe 8021q ip link add link eth0 name eth0.800 type vlan id 800 ip link set eth0.800 up

（D）modprobe 8021q ip link add link eth0 name eth0.800 VLAN 800 ip address add 10.135.1.120/24 dev eth0.800 ip link set eth0.800 up

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

1Z0-106 無料問題集「Oracle Linux 8 Advanced System Administration」

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