Download Red Hat Certified System Administrator (RHCSA) Exam.EX200.Pass4SureExam.2018-11-19.48q.vcex
| Vendor: | RedHat |
| Exam Code: | EX200 |
| Exam Name: | Red Hat Certified System Administrator (RHCSA) Exam |
| Date: | Nov 19, 2018 |
| File Size: | 189 KB |
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Demo Questions
Question 1
Configure a HTTP server, which can be accessed through http://station.domain40.example.com.
Please download the released page from http://ip/dir/example.html.
- See explanation below.
Correct answer: 1
Explanation:
# yum install -y httpd # chkconfig httpd on # cd /var/www/html # wget http://ip/dir/example.html# cp example.com index.html # vim /etc/httpd/conf/httpd.conf NameVirtualHost 192.168.0.254:80<VirtualHost 192.168.0.254:80>DocumentRoot /var/www/html/ ServerName station.domain40.example.com </VirtualHost> # yum install -y httpd
# chkconfig httpd on
# cd /var/www/html
# wget http://ip/dir/example.html
# cp example.com index.html
# vim /etc/httpd/conf/httpd.conf
NameVirtualHost 192.168.0.254:80
<VirtualHost 192.168.0.254:80>
DocumentRoot /var/www/html/
ServerName station.domain40.example.com
</VirtualHost>
Question 2
Configure the verification mode of your host account and the password as LDAP. And it can login successfully through ldapuser40. The password is set as "password". And the certificate 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.
- See explanation below.
Correct answer: 1
Explanation:
system-config-authentication LDAP Server: ldap//instructor.example.com (In domain form, not write IP)OR # yum groupinstall directory-client (1.krb5-workstation 2.pam-krb5 3.sssd) # system-config-authentication User Account Database: LDAPLDAP Search Base DN: dc=example,dc=comLDAP Server: ldap://instructor.example.com (In domain form, not write IP) 4.Download CA CertificateAuthentication Method: LDAP passwordApply getent passwd ldapuser40 system-config-authentication
LDAP Server: ldap//instructor.example.com (In domain form, not write IP)
OR
# yum groupinstall directory-client (1.krb5-workstation 2.pam-krb5 3.sssd)
# system-config-authentication
- User Account Database: LDAP
- LDAP Search Base DN: dc=example,dc=com
- LDAP Server: ldap://instructor.example.com (In domain form, not write IP) 4.Download CA Certificate
- Authentication Method: LDAP password
- Apply getent passwd ldapuser40
Question 3
Configure the system synchronous as 172.24.40.10.
- See explanation below.
Correct answer: 1
Explanation:
Graphical Interfaces: System-->Administration-->Date & Time OR # system-config-date Graphical Interfaces:
System-->Administration-->Date & Time
OR
# system-config-date
Question 4
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.)
- See explanation below.
Correct answer: 1
Explanation:
# 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) OR # e2fsck -f /dev/vg1/lvm02 # resize2fs -f /dev/vg1/lvm02 # mount /dev/vg1/lvm01 /mnt # lvreduce -L 1G -n /dev/vg1/lvm02 # lvdisplay (Verify) # 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)
OR
# e2fsck -f /dev/vg1/lvm02
# resize2fs -f /dev/vg1/lvm02
# mount /dev/vg1/lvm01 /mnt
# lvreduce -L 1G -n /dev/vg1/lvm02
# lvdisplay (Verify)
Question 5
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.
- See explanation below.
Correct answer: 1
Explanation:
# 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) # 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)
Question 6
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.
- See explanation below.
Correct answer: 1
Explanation:
# 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 # 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
Question 7
Add user: user1, set uid=601
Password: redhat
The user's login shell should be non-interactive.
- See explanation below.
Correct answer: 1
Explanation:
# useradd -u 601 -s /sbin/nologin user1 # passwd user1 redhat # useradd -u 601 -s /sbin/nologin user1
# passwd user1
redhat
Question 8
Add users: user2, user3.
The Additional group of the two users: user2, user3 is the admin group Password: redhat
- See explanation below.
Correct answer: 1
Explanation:
# useradd -G admin user2 # useradd -G admin user3 # passwd user2 redhat # passwd user3 redhat # useradd -G admin user2
# useradd -G admin user3
# passwd user2
redhat
# passwd user3
redhat
Question 9
Copy /etc/fstab to /var/tmp name admin, the user1 could read, write and modify it, while user2 without any permission.
- See explanation below.
Correct answer: 1
Explanation:
# cp /etc/fstab /var/tmp/ # chgrp admin /var/tmp/fstab # setfacl -m u:user1:rwx /var/tmp/fstab# setfacl -m u:user2:--- /var/tmp/fstab# ls -l -rw-rw-r--+ 1 root admin 685 Nov 10 15:29 /var/tmp/fstab # cp /etc/fstab /var/tmp/
# chgrp admin /var/tmp/fstab
# setfacl -m u:user1:rwx /var/tmp/fstab
# setfacl -m u:user2:--- /var/tmp/fstab
# ls -l
-rw-rw-r--+ 1 root admin 685 Nov 10 15:29 /var/tmp/fstab
Question 10
Configure a task: plan to run echo "file" command at 14:23 every day.
- See explanation below.
Correct answer: 1
Explanation:
(a) Created as administrator # crontab -u natasha -e 23 14 * * * /bin/echo "file" (b)Created as natasha # su - natasha $ crontab -e 23 14 * * * /bin/echo "file" (a) Created as administrator
# crontab -u natasha -e
23 14 * * * /bin/echo "file"
(b)Created as natasha
# su - natasha
$ crontab -e
23 14 * * * /bin/echo "file"
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