EX200指南，EX200真題

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RedHat EX200 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Manage security	10%	- Restore file contexts and troubleshoot SELinux issues - Enforce SELinux modes, contexts, booleans, and port labeling
Topic 2: Understand and use essential tools	25%	- Archive, compress, unpack files using tar, gzip, bzip2 - Create/edit text files; manage files, directories, links, permissions - Use input-output redirection - Access remote systems via SSH - Use grep and regular expressions - Access shell prompt and issue commands with correct syntax
Topic 3: Create and configure file systems	15%	- Maintain entries in /etc/fstab using UUID or labels - Create and mount XFS, ext4, VFAT file systems - Mount and manage network file systems (NFS, autofs) - Manage access control lists (ACLs)
Topic 4: Manage users and groups	10%	- Configure SSH key-based authentication - Manage password policies and sudo access - Create, delete, modify users and groups
Topic 5: Deploy, configure, and maintain systems	15%	- Manage network interfaces and settings with NetworkManager/nmcli - Manage software packages with DNF/YUM - Configure firewalld firewall rules
Topic 6: Perform basic shell scripting		- Use conditional statements, loops, and script inputs
Topic 7: Configure local storage	15%	- Create and manage LVM physical volumes, volume groups, logical volumes - List, create, delete partitions and GPT/MBR layouts - Configure swap space
Topic 8: Operate running systems	20%	- Manage networking and network services - Manage logging and journaling - Maintain accurate system time with chrony - Boot systems into different targets; manage systemd units - Schedule tasks using cron and at

>> EX200指南 <<

EX200真題 & 新版EX200考古題

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最新的 RHCSA EX200 免費考試真題 (Q65-Q70):

問題 #65
Configure a user account.
Create a user iar,uid is 3400. Password is redhat

答案：

解題說明：
useradd -u 3400 iar
passwd iar

問題 #66
Create a systemd service named backup-now.service that runs /usr/local/bin/backup-now.sh.

答案：

解題說明：
See the solution below in Explanation.
Explanation:
Solution:
Create the script:
mkdir -p /usr/local/bin
cat > /usr/local/bin/backup-now.sh < < 'EOF'
#!/bin/bash
tar -czf /root/etc-$(date +%F).tar.gz /etc
EOF
chmod +x /usr/local/bin/backup-now.sh
Create the unit file:
cat > /etc/systemd/system/backup-now.service < < 'EOF'
[Unit]
Description=Run manual etc backup
[Service]
Type=oneshot
ExecStart=/usr/local/bin/backup-now.sh
[Install]
WantedBy=multi-user.target
EOF
Reload and test:
systemctl daemon-reload
systemctl start backup-now.service
systemctl status backup-now.service
Detailed Explanation:
* Type=oneshot is correct for a task that runs and exits.
* ExecStart points to the script.
* systemctl daemon-reload is required after adding a new unit file.
* RHEL 10 systemd documentation covers manual unit creation and management. ( Red Hat
Documentation )

問題 #67
Configure your web services, download from http://instructor.example.com/pub/serverX.html And the services must be still running after system rebooting.

答案：

解題說明：
cd /var/www/html
wget http://instructor.example.com/pub/serverX.html mv serverX.html index.html /etc/init.d/httpd restart chkconfig httpd on

問題 #68
1. Find all sizes of 10k file or directory under the /etc directory, and copy to /tmp/findfiles directory.
2. Find all the files or directories with Lucy as the owner, and copy to /tmp/findfiles directory.

答案：

解題說明：
(1)find /etc -size 10k -exec cp {} /tmp/findfiles \;
(2)find / -user lucy -exec cp -a {} /tmp/findfiles \;
Note: If find users and permissions, you need to use cp - a options, to keep file permissions and user attributes etc.

問題 #69
Create a volume group with a physical extent size of 16 MB and create a logical volume using 30 extents.

答案：

解題說明：
See the solution below in Explanation.
Explanation:
Solution:
pvcreate /dev/sdb3
vgcreate -s 16M VG1 /dev/sdb3
lvcreate -l 30 -n LV1 VG1
mkfs.ext4 /dev/VG1/LV1
Detailed Explanation:
* vgcreate -s 16M sets PE size to 16 MB.
* lvcreate -l 30 allocates 30 extents.
* 30 x 16 MB = 480 MB total LV size.
* mkfs.ext4 creates the filesystem.

問題 #70
......

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