EX200考試重點 - EX200指南

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RedHat EX200認證考試是目前IT人士報名參加的考試中很受歡迎的一個認證考試。通過了RedHat EX200認證考試不僅能使你工作和生活帶來提升,而且還能鞏固你在IT 領域的地位。但是事實情況是它通過率確很低。

紅帽認證系統管理員(RHCSA)考試是一項旨在測試系統管理員技能和知識的認證考試,其負責管理紅帽企業Linux系統。該考試是基於實際操作的,需要考生在實際系統上執行任務。為了準備考試,考生應該具有紅帽企業Linux系統的經驗,並熟悉命令行界面。該認證是系統管理員的寶貴證明,被雇主認可作為考生能夠執行重要系統管理任務的證據。

紅帽EX200認證考試是一個實踐性的考試,需要個人在實際環境中執行任務。該考試旨在測試個人解決系統管理員在工作中可能遇到的實際問題的能力。通過紅帽EX200考試是一項重大成就,因為它顯示了個人在紅帽企業Linux環境中高效有效地管理系統的能力。該認證在IT行業中非常受尊敬,擁有該認證的個人非常受雇主青睞,尋求熟練且知識豐富的系統管理員。

>> EX200考試重點 <<

專業EX200考試重點通過Red Hat Certified System Administrator - RHCSARHEL 10 - 專家推薦

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RHCSA考試是IT專業人士中一項流行的認證,為那些希望在系統管理方面發展其職業的人提供了堅實的基礎。該認證受到世界各地許多組織的認可,並受到雇主的高度重視。該考試還是其他高級紅帽認證的先決條件,例如紅帽認證工程師(RHCE)和紅帽認證架構師(RHCA)。

最新的 RHCSA EX200 免費考試真題 (Q52-Q57):

問題 #52
SIMULATION
There is a local logical volumes in your system, named with shrink and belong to VGSRV volume group, mount to the /shrink directory. The definition of size is 320 MB.
Requirement:
Reduce the logical volume to 220 MB without any loss of data. The size is allowed between 200-260 MB after reducing.

答案:

解題說明:
See explanation below.
Explanation/Reference:
Explanation: cd;umount /shrink
e2fsck -f /dev/mapper/vgsrv-shrink
resize2fs /dev/mapper/vgsrv-shrink 220M
lvreduce -L 220M /dev/mapper/vgsrv-shrink
mount -a


問題 #53
Create a new logical volume according to the following requirements:
The logical volume is named database and belongs to the datastore volume group and has a size of 50 extents.
Logical volumes in the datastore volume group should have an extent size of 16 MB.
Format the new logical volume with a ext3 filesystem.
The logical volume should be automatically mounted under /mnt/database at system boot time.

答案:

解題說明:
fdisk -cu /dev/vda
partx -a /dev/vda
pvcreate /dev/vdax
vgcreate datastore /dev/vdax -s 16M
lvcreate-l 50 -n database datastore
mkfs.ext3 /dev/datastore/database
mkdir /mnt/database
mount /dev/datastore/database /mnt/database/ df -Th
vi /etc/fstab
/dev/datastore /database /mnt/database/ ext3 defaults 0 0 mount -a


問題 #54
Configure the permissions of /var/tmp/fstab
Copy the file /etc/fstab to /var/tmp/fstab. Configure the permissions of /var/tmp/fstab so that:
the file /var/tmp/fstab is owned by the root user.
the file /var/tmp/fstab belongs to the group root.
the file /var/tmp/fstab should not be executable by anyone.
the user natasha is able to read and write /var/tmp/fstab.
the user harry can neither write nor read /var/tmp/fstab.
all other users (current or future) have the ability to read /var/tmp/fstab.

答案:

解題說明:
see explanation below.
Explanation
* cp -a /etc/fstab /var/tmp
* cd /var/tmp
* ls -l
* getfacl /var/tmp/fstab
* chmod ugo-x /var/tmp/fstab
[ No need to do this, there won't be execute permission for the file by default]
# setfacl -m u:natasha:rw /var/tmp/fstab # setfacl -m u:harry:0 /var/tmp/fstab(zero)
[Read permission will be there for all the users, by default. Check it using ls -l /var/tmp/fstab] Verify by
[ ls -la /var/tmp/fstab]


問題 #55
One Package named zsh is dump on ftp://server1.example.com under /pub/updates directory and your FTP server is 192.168.0.254. Install the package zsh.

答案:

解題說明:
see explanation below.
Explanation
* rpm -ivh ftp://server1/example.com/pub/updates/zsh-*
or
* Login to ftp server : ftp ftp://server1.example.com using anonymous user.
* Change the directory: cd pub and cd updates
* Download the package: mget zsh-*
* Quit from the ftp prompt : bye
* Install the package
* rpm -ivh zsh-*
* Verify either package is installed or not : rpm -q zsh


問題 #56
System Optimization Configuration
Choose the recommended tuned configuration set for your system and set it as default.

答案:

解題說明:
Solution:
# Install and enable tuned
[root@node2 ~]# yum -y install tuned
[root@node2 ~]# systemctl enable tuned
[root@node2 ~]# systemctl restart tuned
# Check the recommended configuration scheme for the system
[root@node2 ~]# tuned-adm recommend
virtual-guest
# Switch to the specified configuration scheme
[root@node2 ~]# tuned-adm profile virtual-guest
# Check the current configuration scheme
[root@node2 ~]# tuned-adm active
Current active profile: virtual-guest


問題 #57
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EX200指南: https://www.vcesoft.com/EX200-pdf.html

此外,這些VCESoft EX200考試題庫的部分內容現在是免費的:https://drive.google.com/open?id=1630lGtuGDxVD7kAclbgZYxkgwCH9ZkvE