[2021-New] Red Hat EX200 Dumps With Update Exam Questions (1-10)

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EX200 Exam Questions - Online Test

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Q1. CORRECT TEXT

Create a volume group,and set 8M as a extends. Divided a volume group containing 50 extends on volume group lv (lvshare), make it as ext4 file system, and mounted automatically under /mnt/data. And the size of the floating range should set between 380M and 400M.

Answer: # fdisk

# partprobe

# pvcreate /dev/vda6

# vgcreate -s 8M vg1 /dev/vda6 -s

# lvcreate -n lvshare -l 50 vg1 -l

# mkfs.ext4 /dev/vg1/lvshare

# mkdir -p /mnt/data

# vim /etc/fstab

/dev/vg1/lvshare /mnt/data ext4 defaults 0 0

# mount -a

# df -h

Q2. CORRECT TEXT

Add users: user2, user3.

The Additional group of the two users: user2, user3 is the admin group Password: redhat

Answer: # useradd -G admin user2

# useradd -G admin user3

# passwd user2

redhat

# passwd user3

redhat

Q3. CORRECT TEXT

Change the logical volume capacity named vo from 190M to 300M. and the size of the floating range should set between 280 and 320. (This logical volume has been mounted in advance.)

Answer: # vgdisplay

(Check the capacity of vg, if the capacity is not enough, need to create pv , vgextend , lvextend)

# lvdisplay (Check lv)

# lvextend -L +110M /dev/vg2/lv2

# resize2fs /dev/vg2/lv2

mount -a

(Verify)

------------------------------------------------------------------------------- (Decrease lvm)

# umount /media

# fsck -f /dev/vg2/lv2

# resize2fs -f /dev/vg2/lv2 100M

# lvreduce -L 100M /dev/vg2/lv2

# mount -a

# lvdisplay (Verify)

# e2fsck -f /dev/vg1/lvm02

# resize2fs -f /dev/vg1/lvm02

# mount /dev/vg1/lvm01 /mnt

# lvreduce -L 1G -n /dev/vg1/lvm02

# lvdisplay (Verify)

Q4. CORRECT TEXT

Find the files owned by harry, and copy it to catalog: /opt/dir

Answer: # cd /opt/

# mkdir dir

# find / -user harry -exec cp -rfp {} /opt/dir/ \;

Q5. CORRECT TEXT

Add users: user2, user3.

The Additional group of the two users: user2, user3 is the admin group Password: redhat

Answer: # useradd -G admin user2

# useradd -G admin user3

# passwd user2

redhat

# passwd user3

redhat

Q6. CORRECT TEXT

Download ftp://192.168.0.254/pub/boot.iso to /root, and mounted automatically under /media/cdrom and which take effect automatically at boot-start.

Answer: # cd /root; wget ftp://192.168.0.254/pub/boot.iso

# mkdir -p /media/cdrom

# vim /etc/fstab

/root/boot.iso /media/cdrom iso9660 defaults,loop 0 0

# mount -a

mount [-t vfstype] [-o options] device dir

Q7. CORRECT TEXT

Configure the verification mode of your host account and the password as LDAP. And it can ldapuser40. The password is set as "password". And the certificate login successfully through

can be downloaded from http://ip/dir/ldap.crt. After the user logs on , the user has no host directory unless you configure the autofs in the following questions.

Answer: system-config-authentication

LDAP Server: ldap//instructor.example.com (In domain form, not write IP)

# yum groupinstall directory-client (1.krb5-workstation 2.pam-krb5 3.sssd)

# system-config-authentication

:1.User Account Database: LDAP

:2.LDAP Search Base DN: dc=example,dc=com

:3.LDAP Server: ldap://instructor.example.com (In domain form, not write IP)

:4.Download CA Certificate

:5.Authentication Method: LDAP password

:6.Apply

getent passwd ldapuser40

Q8. CORRECT TEXT

Configure the verification mode of your host account and the password as LDAP. And it can ldapuser40. The password is set as "password". And the certificate login successfully through

can be downloaded from http://ip/dir/ldap.crt. After the user logs on , the user has no host directory unless you configure the autofs in the following questions.

Answer: system-config-authentication

LDAP Server: ldap//instructor.example.com (In domain form, not write IP)

# yum groupinstall directory-client (1.krb5-workstation 2.pam-krb5 3.sssd)

# system-config-authentication

:1.User Account Database: LDAP

:2.LDAP Search Base DN: dc=example,dc=com

:3.LDAP Server: ldap://instructor.example.com (In domain form, not write IP)

:4.Download CA Certificate

:5.Authentication Method: LDAP password

:6.Apply

getent passwd ldapuser40

Q9. CORRECT TEXT

Create a volume group, and set 16M as a extends. And divided a volume group containing 50 extends on volume group lv, make it as ext4 file system, and mounted automatically under /mnt/data.

Answer: # pvcreate /dev/sda7 /dev/sda8

# vgcreate -s 16M vg1 /dev/sda7 /dev/sda8

# lvcreate -l 50 -n lvm02

# mkfs.ext4 /dev/vg1/lvm02

# blkid /dev/vg1/lv1

# vim /etc/fstab

# mkdir -p /mnt/data

UUID=xxxxxxxx /mnt/data ext4 defaults 0 0

# vim /etc/fstab

# mount -a

# mount

(Verify)

Q10. CORRECT TEXT

Configure a task: plan to run echo hello command at 14:23 every day.

Answer: # which echo

# crontab -e

23 14 * * * /bin/echo hello

# crontab -l (Verify)