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Exam2pass > Red Hat > Red Hat Certifications > EX200 > EX200 Online Practice Questions and Answers

EX200 Online Practice Questions and Answers

Questions 4

Download the document from ftp://instructor.example.com/pub/testfile, find all lines containing [abcde] and redirect to /MNT/answer document, then rearrange the order according the original content.

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Correct Answer: Check the anser in explanation.

Download the file to /tmp first grep [abcde] /tmp/testfile > /mnt/answer

Questions 5

According the following requirements, configure autofs service and automatically mount to user's home directory in the ldap domain.

- Instructor.example.com (192.168.0.254) has shared /home/guests/ldapuserX home directory to your system by over NFS export, X is your hostname number.

-LdapuserX's home directory is exist in the instructor.example.com: /home/ guests/ldapuserX

-LdapuserX's home directory must be able to automatically mount to /home/ guests/ldapuserX in your system.

-Home directory have write permissions for the corresponding user.

However, you can log on to the ldapuser1 - ldapuser99 users after verification. But you can only get your corresponding ldapuser users. If your system's hostname is server1.example.com, you can only get ldapuser1's home directory.

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Correct Answer: Check the anser in explanation.

mkdir –p /home/guests cat /etc/auto.master: /home/guests /etc/auto.ldap cat /etc/auto.ldap: ldapuser1 -rw instructor.example.com:/home/guests/ldapuser1

automatically mount all the user's home directory #* -rw instructor.example.com:/home/guests/and

Questions 6

Upgrading the kernel as 2.6.36.7.1, and configure the system to Start the default kernel, keep the old kernel available.

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Correct Answer: Check the anser in explanation.

# cat /etc/grub.conf # cd /boot # lftp it # get dr/dom/kernel-xxxx.rpm # rpm -ivh kernel-xxxx.rpm # vim /etc/grub.conf default=0

Questions 7

Create the following users, groups, and group memberships:

A group named adminuser.

A user natasha who belongs to adminuser as a secondary group A user harry who also belongs to adminuser as a secondary group.

A user sarah who does not have access to an interactive shell on the system, and who is not a member of adminuser, natasha, harry, and sarah should all have the password of redhat.

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Correct Answer: Check the anser in explanation.

groupadd sysmgrs

useradd -G sysmgrs Natasha

We can verify the newly created user by cat /etc/passwd) # useradd -G sysmgrs harry # useradd -s /sbin/nologin sarrh # passwd Natasha # passwd harry # passwd sarrah

Questions 8

Install the appropriate kernel update from http://server.domain11.example.com/pub/updates. The following criteria must also be met: The updated kernel is the default kernel when the system is rebooted The original kernel remains available and bootable on the system

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Correct Answer: Check the anser in explanation.

ftp server.domain11.example.com Anonymous login ftp> cd /pub/updates ftp> ls ftp> mget kernel* ftp> bye

rpm -ivh kernel*

vim /etc/grub.conf Check the updatted kernel is the first kernel and the orginal kernel remains available. set default=0 wq!

Questions 9

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

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Correct Answer: Check the anser in 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"

Questions 10

You are new System Administrator and from now you are going to handle the system and your main task is Network monitoring, Backup and Restore. But you don't know the root password. Change the root password to redhat and login in default Runlevel.

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Correct Answer: Check the anser in explanation.

When you Boot the System, it starts on default Runlevel specified in /etc/inittab:

Id:?:initdefault:

When System Successfully boot, it will ask for username and password. But you don't know the root's password. To change the root password you need to boot the system into single user mode. You can pass the kernel arguments from the

boot loader.

1.

Restart the System.

2.

You will get the boot loader GRUB screen.

3.

Press a and type 1 or s for single mode ro root=LABEL=/ rhgb queit s

4.

System will boot on Single User mode.

5.

Use passwd command to change.

6.

Press ctrl+d

Questions 11

Make on /archive directory that only the user owner and group owner member can fully access.

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Correct Answer: Check the anser in explanation.

chmod 770 /archive

Verify using : ls -ld /archive Preview should be like: drwxrwx--- 2 root sysuser 4096 Mar 16 18:08 /archive To change the permission on directory we use the chmod command. According to the question that only the owner user (root) and group member (sysuser) can fully access the directory so: chmod 770 /archive

Questions 12

Locate all the files owned by ira and copy them to the / root/findresults directory.

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Correct Answer: Check the anser in explanation.

# find / -user ira > /root/findresults (if /root/findfiles is a file) # mkdir -p /root/findresults # find / -user ira -exec cp -a {} /root/findresults\; [ if /root/findfiles is a directory] ls /root/findresults

Questions 13

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

LDAP

is used for providing account information and validation information Connecting and using the certification of http://server.domain11.example.com/pub/EXAMPLE-CA-CERT to encrypt

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.

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Correct Answer: Check the anser in 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

Exam Code: EX200
Exam Name: Red Hat Certified System Administrator (RHCSA)
Last Update: Jun 10, 2025
Questions: 134

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