Exam Code : EX200
Exam Name : Red Hat Certified System Administrator (RHCSA)
Vendor Name :
"RedHat"
EX200 Dumps EX200 Braindumps
EX200 Real Questions EX200 Practice Test EX200 Actual Questions
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Red Hat Certified System Administrator (RHCSA)
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Question: 126
CORRECT TEXT
Create a catalog under /home named admins. Its respective group is requested to be the admin group. The group users could read and write, while other users are not allowed to access it. The files created by users from the same group should also be the admin group.
# cd /home/
# mkdir admins /
# chown .admin admins/
# chmod 770 admins/
# chmod g+s admins/
Question: 127 CORRECT TEXT
Create a user named alex, and the user id should be 1234, and the password should be alex111.
# useradd -u 1234 alex
# passwd alex alex111 alex111
OR
echo alex111|passwd -stdin alex
Question: 128
CORRECT TEXT
Create a Shared Directory.
Create a shared directory /home/admins, make it has the following characteristics:
/home/admins belongs to group adminuser
This directory can be read and written by members of group adminuser Any files created in /home/ admin, group automatically set as adminuser.
Explanation
mkdir /home/admins
chgrp -R adminuser /home/admins chmodg+w /home/admins chmodg+s /home/admins
Question: 129
CORRECT TEXT
Configure a user account.
Create a user iar ， uid is 3400. Password is redhat
Explanation useradd -u 3400 iar passwd iar
Question: 130
CORRECT TEXT
Create User Account.
Create the following user, group and group membership:
Adminuser group
User natasha, using adminuser as a sub group User Harry, also using adminuser as a sub group
User sarah, can not access the SHELL which is interactive in the system, and is not a member of adminuser, natasha ， harry ， sarah password is redhat.
Explanation groupadd adminuser
useradd natasha -G adminuser useradd haryy -G adminuser useradd sarah -s /sbin/nologin
Passwd user name // to modify password or echo redhat | passwd –stdin user name id natasha // to view user group.
Question: 131
CORRECT TEXT
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.
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
Question: 132
CORRECT TEXT
Configure a default software repository for your system.
One YUM has already provided to configure your system on http://server.domain11.example.com/pub/ x86_64/Server, and can be used normally.
Yum-config-manager –add-repo=http://content.example.com/rhel7.0/x86-64/dvd†is to generate a file vim content.example.com_rhel7.0_x86_64_dvd.repo, Add a line gpgcheck=0
Yumcleanall Yumrepolist
Almost 4305 packages are right, Wrong Yum Configuration will lead to some following questions cannot be worked out.
Question: 133
CORRECT TEXT
Binding to an external validation server.
System server.domain11.example.com provides a LDAP validation service, your system should bind to this service as required:
Base DN of validation service is dc=example,dc=com
After the correct configuration, ldapuser1 can log into your system, it does not have HOME directory until you finish autofs questions, ldapuser1 password is password.
Explanation
yum -y install sssd authconfig-gtk krb5-workstation authconfig-gtk // open the graphical interface
Modify user account database to ldap, fill up DN and LDAP SERVER as questions required, use TLS to encrypt connections making tick, write http://server.domain11.example.com/pub/EXAMPLE-CA-CERT to download ca, authentication method choose ldap password.
You can test if the ldapuser is added by the following command: Id ldapuser1
Note: user password doesn’t not need to set
Question: 134
CORRECT TEXT
Adjust the size of the Logical Volume.
Adjust the size of the vo Logical Volume, its file system size should be 290M. Make sure that the content of this system is complete.
Note: the partition size is rarely accurate to the same size as required, so in the range 270M to 320M is acceptable.
Addition df -hT
lvextend -L +100M /dev/vg0/vo Lvscan
xfs_growfs /home/ //home is the mounted directory of the LVM, this step just need to do in the practice environment, and test EXT4 does not need this step.
resize2fs /dev/vg0/vo// use this command to update in examination. df -hT
OR
Subtraction
e2fsck -f/dev/vg0/vo umount /home
resize2fs /dev/vg0/vo // the final required partition capacity is 100M lvreduce -l 100M /dev/vg0/vo mount /dev/vg0/vo/home
df -hT
Question: 135
CORRECT TEXT
Configure NTP.
Configure NTP service, Synchronize the server time, NTP server: classroom.example.com
Configure the client: Yum -y install chrony Vim /etc/chrony.conf
Add: server classroom.example.com iburst Start: systemctl enable chronyd
systemctl restart chronyd Validate: timedatectl status
Question: 136 CORRECT TEXT
Search a String
Find out all the columns that contains the string seismic within /usr/share/dict/words, then copy all these columns to
/root/lines.tx in original order, there is no blank line, all columns must be the accurate copy of the original columns.
Explanation
grep seismic /usr/share/dict/words> /root/lines.txt
Question: 137
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.
# 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