RedHat EX200 Korean : Red Hat Certified System Administrator - RHCSA (EX200 Korean Version)
- Exam Code: EX200-KR
- Exam Name: Red Hat Certified System Administrator - RHCSA (EX200 Korean Version)
- Updated: Oct 20, 2026
- Q & A: 69 Questions and Answers
About RedHat EX200 Korean Exam Questions
Conclusion
According to the PayScale website, the mean salary for RHCSA certified professionals is about $90k per year. Landing your dream job is easier than you might think. Attain the Red Hat Certified System Administrator (RHCSA) certification with the help of insightful books and specially designed courses and obtain a definite advantage in the job market.
Reference: https://www.redhat.com/en/services/training/ex200-red-hat-certified-system-administrator-rhcsa-exam
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- RHCE certification is a valuable addition to your resume and is an indicator of your skills and abilities.
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RedHat EX200 Korean Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Manage basic networking | - Restrict network access using firewalld and firewall-cmd - Configure network services to start automatically at boot - Configure IPv4 and IPv6 addresses - Configure hostname resolution |
| Topic 2: Create simple shell scripts | - Use looping constructs to process files and command-line input - Process script inputs - Conditionally execute code - Process output of shell commands within a script |
| Topic 3: Manage users and groups | - Create, delete, and modify local user accounts - Create, delete, and modify local groups and group memberships - Configure privileged access - Change passwords and adjust password aging for local users |
| Topic 4: Manage security | - Configure key-based authentication for SSH - Manage SELinux port labels - List and identify SELinux file and process contexts - Use Boolean settings to modify SELinux settings - Set enforcing and permissive modes for SELinux - Manage default file permissions - Configure firewall settings using firewall-cmd and firewalld - Restore default file contexts |
| Topic 5: Deploy, configure, and maintain systems | - Schedule tasks using at, cron, and systemd timer units - Configure time service clients - Start and stop services and configure services to start automatically at boot - Install and update software packages - Configure systems to boot into a specific target automatically - Modify the system bootloader |
| Topic 6: Understand and use essential tools | - Archive, compress, unpack, and uncompress files using tar, gzip, and bzip2 - Locate, read, and use system documentation - List, set, and change standard ugo/rwx permissions - Create and edit text files - Access a shell prompt and issue commands with correct syntax - Use input-output redirection - Log in and switch users in multi-user targets - Use grep and regular expressions to analyze text - Create hard and soft links - Access remote systems using SSH - Create, delete, copy, and move files and directories |
| Topic 7: Operate running systems | - Boot, reboot, and shut down a system normally - Boot systems into different targets manually - Adjust process scheduling - Locate and interpret system log files and journals - Interrupt the boot process to gain access to a system - Preserve system journals - Identify CPU and memory intensive processes and kill processes - Start, stop, and check the status of network services - Securely transfer files between systems - Manage tuning profiles |
| Topic 8: Configure local storage | - List, create, and delete partitions on GPT disks - Create and remove physical volumes - Assign physical volumes to volume groups - Create and delete logical volumes - Configure systems to mount file systems at boot by UUID or label - Add new partitions, logical volumes, and swap non-destructively |
| Topic 9: Create and configure file systems | - Create, mount, unmount, and use VFAT, ext4, and XFS file systems - Diagnose and correct file permission problems - Configure autofs - Mount and unmount network file systems using NFS - Extend existing logical volumes |
| Topic 10: Manage software | - Configure access to RPM repositories - Install and remove Flatpak software packages - Install and remove RPM software packages - Configure access to Flatpak repositories |
RedHat Red Hat Certified System Administrator - RHCSA (EX200 Korean Version) Sample Questions:
/usr/local 디렉터리에서 3KB보다 크고 5KB보다 작은 파일을 찾아 /root/d1로 복사하고 대상 디렉터리에 SGID를 설정합니다.
Reveal Solution Discussion 0Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
mkdir -p /root/d1
find /usr/local -type f -size +3k -size -5k -exec cp -rvf {} /root/d1/ \;
chmod g+s /root/d1
ls -ld /root/d1
Detailed Explanation:
* -size +3k means greater than 3 KB.
* -size -5k means less than 5 KB.
* chmod g+s sets the SGID bit on the directory.
* SGID on a directory causes new files created there to inherit the directory's group.
스왑 파티션 추가
시스템에 512MiB 크기의 스왑 파티션을 추가하십시오. 스왑 파티션은 시스템 시작 시 자동으로 마운트됩니다. 기존 파티션의 내용을 삭제하거나 수정하지 마십시오.
시스템에 존재하는 스왑 파티션.
Correct Answer:
Solution:
[root@node2 ~]# lsblk
[root@node2 ~]# fdisk /dev/vdb
Welcome to fdisk (util-linux 2.37.4).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
This disk is currently in use - repartitioning is probably a bad idea.
It's recommended to umount all file systems, and swapoff all swap
partitions on this disk.
Command (m for help): n
Partition number (3-128, default 3):
First sector (1476608-10485726, default 1476608):
Last sector, +/-sectors or +/-size{K,M,G,T,P} (1476608-10485726, default 10485726): +512M
Created a new partition 3 of type 'Linux filesystem' and of size 512 MiB.
Command (m for help): w
The partition table has been altered.
Syncing disks.
[root@node2 ~]# mkswap /dev/vdb3
[root@node2 ~]# vim /etc/fstab
/dev/vdb3 swap swap defaults 0 0
[root@node2 ~]# swapon -a
[root@node2 ~]# swapon
NAME TYPE SIZE USED PRIO
/dev/vdb2 partition 243M 0B -2
/dev/vdb3 partition 512M 0B -3
시스템 시간 동기화 설정을 time.example.com을 NTP 소스로 사용하도록 구성하고 동기화가 완료되었는지 확인하십시오.
Reveal Solution Discussion 0Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
sed -i '/^pool /d;/^server /d' /etc/chrony.conf
echo "server time.example.com iburst" > > /etc/chrony.conf
systemctl enable --now chronyd
systemctl restart chronyd
chronyc sources -v
chronyc tracking
Detailed Explanation:
* chronyd is the RHEL 10 NTP implementation.
* iburst speeds up initial synchronization.
* chronyc sources -v and chronyc tracking confirm the sync state.
* Red Hat's RHEL 10 time synchronization documentation uses chrony as the supported NTP
implementation. ( Red Hat Documentation )
dnf-automatic을 설치하고 매일 자동 업데이트 확인을 활성화하십시오.
Reveal Solution Discussion 0Correct Answer:
See the solution below in Explanation.
Explanation:
Solution:
dnf install -y dnf-automatic
systemctl enable --now dnf-automatic.timer
systemctl list-timers --all | grep dnf
Detailed Explanation:
* dnf-automatic provides automated update checking and installation features.
* The timer unit schedules the checks.
* RHEL 10 DNF documentation specifically documents the dnf-automatic timer units. ( Red Hat Documentation )
SELinux 디버깅
표준 포트가 아닌 82번 포트에서 실행되는 웹 서버가 콘텐츠 제공 중 문제를 겪고 있습니다. 다음 조건을 충족하도록 문제를 디버깅하고 해결하십시오.
- 시스템의 웹 서버는 /var/www/html에 호스팅된 HTML 파일을 제공할 수 있습니다. (참고: 기존 파일의 내용을 삭제하거나 수정하지 마십시오.)
- 웹 서버는 82번 포트를 통해 콘텐츠를 제공할 수 있습니다.
- 웹 서버는 시스템 부팅 시 자동으로 시작될 수 있습니다.
Correct Answer:
Solution:
# Check which package provides the semanage command
[root@node1 ~]# yum provides "*/semanage"
# Install the semanage command
[root@node1 ~]# yum -y install policycoreutils-python-utils
[root@node1 ~]# semanage port -l |grep http
[root@node1 ~]# semanage port -a -t http_port_t -p tcp 82
# Alternatively, you can use man semanage port, then search for EXAMPLE.
[root@node1 ~]# systemctl restart httpd
[root@node1 ~]# systemctl enable httpd
# Verification, seeing the source code indicates correctness (mandatory operation)
[root@node1 ~]# curl http://node1.domain250.example.com:82
Viewing page 1 out of 14 pages.
Viewing questions 1-5 out of 69 questions.
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