[2021-New] Red Hat EX200 Dumps With Update Exam Questions (11-20)

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EX200 Exam Questions - Online Test

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Q1. 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)

Q2. CORRECT TEXT

Create a user named alex, and the user id should be 1234, and the password should be alex111.

Answer: # useradd -u 1234 alex

# passwd alex

alex111

echo alex111|passwd -stdin alex

Q3. 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

Q4. 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

Q5. CORRECT TEXT

Install a FTP server, and request to anonymous download from /var/ftp/pub catalog. (it needs you to configure yum direct to the already existing file server. )

Answer: # cd /etc/yum.repos.d

# vim local.repo

[local]

name=local.repo

baseurl=file:///mnt

enabled=1

gpgcheck=0

# yum makecache

# yum install -y vsftpd

# service vsftpd restart

# chkconfig vsftpd on

# chkconfig --list vsftpd

# vim /etc/vsftpd/vsftpd.conf

anonymous_enable=YES

Q6. CORRECT TEXT

Copy /etc/fstab to /var/tmp name admin, the user1 could read, write and modify it, while user2 without any permission.

Answer: # 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

Q7. CORRECT TEXT

Copy /etc/fstab to /var/tmp name admin, the user1 could read, write and modify it, while user2 without any permission.

Answer: # 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

Q8. CORRECT TEXT

Configure the system synchronous as 172.24.40.10.

Answer: Graphical Interfaces:

System-->Administration-->Date & Time

# system-config-date

Q9. CORRECT TEXT

Configure autofs to make sure after login successfully, it has the home directory autofs, which is shared as /rhome/ldapuser40 at the ip: 172.24.40.10. and it also requires that, other ldap users can use the home directory normally.

Answer: # chkconfig autofs on

# cd /etc/

# vim /etc/auto.master

/rhome /etc/auto.ldap

# cp auto.misc auto.ldap

# vim auto.ladp

ldapuser40 -rw,soft,intr 172.24.40.10:/rhome/ldapuser40

* -rw,soft,intr 172.16.40.10:/rhome/&

# service autofs stop

# server autofs start

# showmount -e 172.24.40.10

# su - ladpuser40