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| Section | Objectives |
|---|---|
| Deploy, configure, and maintain systems | -Schedule tasks using at and cron -Start and stop services and configure services to start automatically at boot -Configure systems to boot into a specific target automatically -Configure time service clients -Install and update software packages from Red Hat Network, a remote repository, or from the local file system -Work with package module streams -Modify the system bootloader |
| Manage basic networking | -Configure IPv4 and IPv6 addresses -Configure hostname resolution -Configure network services to start automatically at boot -Restrict network access using firewall-cmd/firewall |
| Create and configure file systems | -Create, mount, unmount, and use vfat, ext4, and xfs file systems -Mount and unmount network file systems using NFS -Extend existing logical volumes -Create and configure set-GID directories for collaboration -Configure disk compression -Manage layered storage -Diagnose and correct file permission problems |
| Create simple shell scripts | -Conditionally execute code (use of: if, test, [], etc.) -Use Looping constructs (for, etc.) to process file, command line input -Process script inputs ($1, $2, etc.) -Processing output of shell commands within a script -Processing shell command exit codes |
| Understand and use essential tools | -Access a shell prompt and issue commands with correct syntax -Use input-output redirection (>, >>, |, 2>, etc.) -Use grep and regular expressions to analyze text -Access remote systems using SSH -Log in and switch users in multiuser targets -Archive, compress, unpack, and uncompress files using tar, star, gzip, and bzip2 -Create and edit text files -Create, delete, copy, and move files and directories -Create hard and soft links -List, set, and change standard ugo/rwx permissions -Locate, read, and use system documentation including man, info, and files in /usr/share/doc |
| Manage containers | -Find and retrieve container images from a remote registry -Inspect container images -Perform container management using commands such as podman and skopeo -Perform basic container management such as running, starting, stopping, and listing running containers -Run a service inside a container -Configure a container to start automatically as a systemd service -Attach persistent storage to a container |
The EX200 Exam Tests the candidate's ability to perform essential system administration tasks in a Red Hat Enterprise Linux environment. EX200 exam is conducted in a live, real-world environment, making it a practical and hands-on assessment of the candidate's skills. EX200 exam is designed to test the candidate's ability to configure, manage, and troubleshoot various aspects of a Linux system, including file systems and partitioning, user and group administration, network configuration, and system security.
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RedHat EX200 exam is a rigorous certification exam that tests the skills and abilities of individuals seeking to become Red Hat Certified System Administrators. It is a valuable certification for IT professionals looking to advance their careers in system administration and opens up numerous job opportunities. Passing EX200 Exam requires extensive knowledge and hands-on experience in managing and administering Red Hat Enterprise Linux systems.
NEW QUESTION # 52
Your System is configured in 192.168.0.0/24 Network and your nameserver is 192.168.0.254. Make successfully resolve to server1.example.com.
Answer:
Explanation:
nameserver is specified in question,
1. Vi /etc/resolv.conf
nameserver 192.168.0.254
2. host server1.example.com
NEW QUESTION # 53
Who ever creates the files/directories on a data group owner should automatically be in the same group owner as data.
Answer:
Explanation:
1. chmod g+s /data
2. Verify using: ls -ld /data
Permission should be like this: drwxrws--- 2 root sysadmin 4096 Mar 16 18:08 /data If SGID bit is set on directory then who every users creates the files on directory group owner automatically the owner of parent directory. To set the SGID bit: chmod g+s directory To Remove the SGID bit: chmod g-s directory
NEW QUESTION # 54
Resize the logical volume vo and its filesystem to 290 MB. Make sure that the filesystem contents remain intact.
Note: Partitions are seldom exactly the same size requested, so a size within the range of 260 MB to 320 MiB is acceptable.
Answer:
Explanation:
see explanation below.
Explanation
df -hT
lvextend -L +100M /dev/vg0/vo
lvscan
xfs_growfs /home/ // home is LVM mounted directory
Note: This step is only need to do in our practice environment, you do not need to do in the real exam resize2fs /dev/vg0/vo // Use this comand to update in the real exam df -hT OR e2fsck -f/dev/vg0/vo umount /home resize2fs /dev/vg0/vo required partition capacity such as 100M lvreduce -l 100M /dev/vg0/vo mount
/dev/vg0/vo /home
df -Ht
NEW QUESTION # 55
Resize the logical volume vo and its filesystem to 290 MB. Make sure that the filesystem contents remain intact.
Note: Partitions are seldom exactly the same size requested, so a size within the range of 260 MB to 320 MiB is acceptable.
Answer:
Explanation:
df -hT
lvextend -L +100M /dev/vg0/vo
lvscan
xfs_growfs /home/ // home is LVM mounted directory
Note: This step is only need to do in our practice environment, you do not need to do in the real exam resize2fs /dev/vg0/vo // Use this comand to update in the real exam df -hT OR e2fsck -f/dev/vg0/vo umount /home resize2fs /dev/vg0/vo required partition capacity such as 100M lvreduce -l 100M /dev/vg0/vo mount /dev/vg0/vo /home df -Ht
NEW QUESTION # 56
Please open the ip_forward, and take effect permanently.
Answer:
Explanation:
see explanation below.
Explanation
* vim /etc/sysctl.conf net.ipv4.ip_forward = 1
* sysctl -w (takes effect immediately)
If no "sysctl.conf" option, use these commands:
* sysctl -a |grep net.ipv4
* sysctl -P net.ipv4.ip_forward = 1
* sysctl -w
NEW QUESTION # 57
......
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