EX200 Self-Study Guide for Becoming an Red Hat Certified System Administrator - RHCSA Expert
EX200 Study Guide Realistic Verified EX200 Dumps
Target Audience and Prerequisites
The exam has been specifically designed for experienced Red Hat Enterprise Linux system administrators and students that have completed the Red Hat System Administration I (RH124) and Red Hat System Administration II (RH134) courses. Besides, these training options are mandatory for all applicants in case they don’t have similar work experience as system administrators on Red Hat Enterprise Linux. EX200 will also be a valuable asset for experienced Linux system administrators in need of certification (which can arise because of the DoD 8570 directive), DevOps professionals, and other IT specialists interested in the area.
Preconfigured Virtual Instances
A Red Hat Certified Engineer (EX200) is a highly skilled, systems administrator with a solid understanding of industry best practices and can design, install, configure, and maintain Red Hat Enterprise Linux systems. Versions of Red Hat Enterprise Linux. Written by Red Hat experts. Partitions and Logical Volumes. Based on your answers, cbt selects the correct answers to show to you. Exam Objectives. The exit rate for this exam is not currently available from Red Hat. Head to Head. Teaching best practices. The Red Hat Certified Engineer (EX200) exam is available in two formats. Written by Red Hat experts. In addition to the Red Hat Certified Engineer (EX200) exam, there are additional exam objectives derived from Red Hat Enterprise Linux 5 and 5. Expired. The Red Hat Certified Engineer (EX200) exam is not currently available for access. Every time you answer a question incorrectly, cbt will identify the correct answer. Supported RHEL versions. Written by Red Hat experts. Deliverables.
Jang H. Red Hat Certified Engineer (EX200) Complete Video Course. Security monitoring is an important part of maintaining security for any network or system. At the end, it is just a summary for those three areas as I mentioned before, and there are questions as I expected as well Rapid7. Red Hat Enterprise Linux (RHEL) is the leading platform for open source computing, helping to serve the needs of business environments of all sizes. Track your performance history. The Red Hat Certified Engineer (EX200) exam is available in two formats. The Red Hat Certified Engineer (EX200) exam focuses on Red Hat Enterprise Linux 6 and 7 administration which are also covered in our Red Hat EX200 Dumps. Hours of Operation. Red Hat Certified Engineer (EX200) exam objectives are outlined in two exam areas: Operations Management and Systems Administration. Hours of Operation. Wasting no time, I was able to get the certified engineer passing score within a week. Objectives. The Red Hat Certified Engineer (EX200) exam is available in two formats. The Red Hat Certified Engineer (EX200) exam focuses on Red Hat Enterprise Linux 6 and 7 administration.
Objectives of Red Hat EX200 Exam
Exam Objectives. Red Hat Certified Engineer (EX200) exam objectives are outlined in two exam areas: Operations Management and Systems Administration. Reviewing basic RHEL-specific commands is one way to prepare for the exam. Sufficient communication skills are needed to deal with networking, storage, and NFS issues. OSCP exam objectives. The Red Hat Certified Engineer (EX200) exam is available in two formats. Red Hat EX200 Dumps cover all questions of Red Hat EX200 exam. Incredible guide, just what I needed to prepare for the exam. Reference documentation from Red Hat. Cbt covers the concepts you need to understand for Red Hat Certified Engineer (EX200) exam. Targeting Red Hat Enterprise Linux 6 or 7, this exam tests your knowledge in enterprise-class computing. Worth the time. CompTIA Positions. ssh, scp, rsync, nfs. Cbt covers the concepts you need to understand for Red Hat Certified Engineer (EX200) exam. Sections of the Exam. Classroom training. Which Red Hat products does this certification cover? Additional training from Red Hat is recommended.
NEW QUESTION 23
Configure a default software repository for your system.
One
YUM has already provided to configure your system on http://server.domain11.example.com/pub/ x86_64/Server, and can be used normally.
Answer:
Explanation:
see explanation below.
Explanation
Yum-config-manager
--add-repo=http://content.example.com/rhel7.0/x86-64/dvd" is to generate a file vim content.example.com_rhel7.0_x86_64_dvd.repo, Add a line gpgcheck=0 Yumcleanall Yumrepolist Almost 4305 packages are right, Wrong Yum Configuration will lead to some following questions cannot be worked out.
NEW QUESTION 24
Copy /etc/fstab to /var/tmp name admin, the user1 could read, write and modify it, while user2 without any permission.
Answer:
Explanation:
# cp /etc/fstab /var/tmp/
# chgrp admin /var/tmp/fstab
# setfacl -m u:user1:rwx /var/tmp/fstab
# setfacl -m u:user2:--- /var/tmp/fstab
# ls -l
-rw-rw-r--+ 1 root admin 685 Nov 10 15:29 /var/tmp/fstab
NEW QUESTION 25
The firewall must be open.
Answer:
Explanation:
/etc/init.d/iptables start
iptables -F
iptables -X
iptables -Z
/etc/init.d/iptables save
chkconfig iptables on
NEW QUESTION 26
Part 1 (on Node1 Server)
Task 7 [Accessing Linux File Systems]
Find all the files owned by user natasha and redirect the output to /home/alex/files.
Find all files that are larger than 5MiB in the /etc directory and copy them to /find/largefiles.
Answer:
Explanation:
[root@node1 ~]# find / -name natasha -type f > /home/natasha/files
[root@node1 ~]# cat /home/natasha/files
/var/spool/mail/natasha
/mnt/shares/natasha
[root@node1 ~]# mkdir /find
[root@node1 ~]# find /etc -size +5M > /find/largefiles
[root@node1 ~]# cat /find/largefiles
/etc/selinux/targeted/policy/policy.31
/etc/udev/hwdb.bin
NEW QUESTION 27
Open kmcrl value of 5 , and can verify in /proc/ cmdline
Answer:
Explanation:
see explanation below.
Explanation
# vim /boot/grub/grub.conf
kernel/vmlinuz-2.6.32-71.el6.x86_64 ro root=/dev/mapper/GLSvg-GLSrootrd_LVM_LV=GLSvg/GLSroot rd_LVM_LV=GLSvg/GLSswaprd_NO_LUKSrd_NO_MDrd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us crashkernel=auto rhgb quiet kmcrl=5 Restart to take effect and verification:
# cat /proc/cmdline
ro root=/dev/mapper/GLSvg-GLSroot rd_LVM_LV=GLSvg/GLSroot rd_LVM_LV=GLSvg/GLSswap rd_NO_LUKS rd_NO_MD rd_NO_DM LANG=en_US.UTF-8 SYSFONT=latarcyrheb-sun16 KEYBOARDTYPE=pc KEYTABLE=us rhgb quiet kmcrl=5
NEW QUESTION 28
Configure
your web services, download from http://instructor.example.com/pub/serverX.html And the services must be still running after system rebooting.
Answer:
Explanation:
see explanation below.
Explanation
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
NEW QUESTION 29
CORRECT TEXT
Create a 512M partition, make it as ext4 file system, mounted automatically under /mnt/data and which take effect automatically at boot-start.
Answer:
Explanation:
# fdisk /dev/vda
n
+512M
w
# partprobe /dev/vda
# mkfs -t ext4 /dev/vda5
# mkdir -p /data
# vim /etc/fstab
/dev/vda5 /data ext4 defaults 0 0
# mount -a
NEW QUESTION 30
Which configuration option in the Ansible inventory is issued control privilege escalation of the remote user?
- A. elevate
- B. priv_user
- C. become
- D. sudo
- E. super
Answer: C
Explanation:
Explanation/Reference:
Reference https://docs.ansible.com/ansible/2.6/user_guide/become.html
NEW QUESTION 31
Part 1 (on Node1 Server)
Task 5 [Controlling Access to Files with ACLs]
Copy the file /etc/fstab to /var/tmp. Configure the following permissions on /var/tmp/fstab.
The file /var/tmp/fstab is owned by root user
The file /var/tmp/fstab is belongs to the root group
The file /var/tmp/fstab should be executable by anyone
The user harry is able to read and write on /var/tmp/fstab
The user natasha can neither read or write on /var/tmp/fstab
All other users (Current or future) have the ability to read /var/tmp/fstab
Answer:
Explanation:
* [root@node1 ~]# cp -p /etc/fstab /var/tmp/
[root@node1 ~]# ls -lrt /etc/fstab
[root@node1 ~]# ls -lrt /var/tmp/fstab
[root@node1 ~]# chmod a+x /var/tmp/fstab
[root@node1 ~]# getfacl /var/tmp/fstab
[root@node1 ~]# setfacl -m u:harry:rw- /var/tmp/fstab
[root@node1 ~]# setfacl -m u:natasha:--- /var/tmp/fstab
[root@node1 ~]# getfacl /var/tmp/fstab
getfacl: Removing leading '/' from absolute path names
# file: var/tmp/fstab
# owner: root
# group: root
user::rwx
user:harry:rw-
user:natasha:---
group::r-x
mask::rwx
other::r-x
* [root@node1 ~]# su - natasha
[natasha@node1 ~]$ cat /var/tmp/fstab
cat: /var/tmp/fstab: Permission denied
NEW QUESTION 32
Part 1 (on Node1 Server)
Task 14 [Managing SELinux Security]
You will configure a web server running on your system serving content using a non-standard port (82)
Answer:
Explanation:
* [root@node1 ~]# curl http://node1.domain15.example.com
curl: (7) Failed to connect to node1.domain15.example.com port 80: Connection refused
[root@node1 ~]# yum install httpd
[root@node1 ~]# systemctl enable --now httpd
Created symlink /etc/systemd/system/multi-user.target.wants/httpd.service → /usr/lib/systemd/system/httpd.service.
[root@node1 ~]# systemctl start httpd
[root@node1 ~]# systemctl status httpd
Status: "Running, listening on: port 80"
* [root@node1 ~]# wget http://node1.domain15.example.com
2021-03-23 13:27:28 ERROR 403: Forbidden.
[root@node1 ~]# semanage port -l | grep http
http_port_t tcp 80, 81, 443, 488, 8008, 8009, 8443, 9000
[root@node1 ~]# semanage port -a -t http_port_t -p tcp 82
[root@node1 ~]# semanage port -l | grep http
http_port_t tcp 82, 80, 81, 443, 488, 8008, 8009, 8443, 9000
[root@node1 ~]# firewall-cmd --zone=public --list-all
[root@node1 ~]# firewall-cmd --permanent --zone=public --add-port=82/tcp
[root@node1 ~]# firewall-cmd --reload
[root@node1 ~]# curl http://node1.domain15.example.com
OK
* root@node1 ~]# wget http://node1.domain15.example.com:82
Connection refused.
[root@node1 ~]# vim /etc/httpd/conf/httpd.conf
Listen 82
[root@node1 ~]# systemctl restart httpd
[root@node1 ~]# wget http://node1.domain15.example.com:82
2021-03-23 13:31:41 ERROR 403: Forbidden.
[root@node1 ~]# curl http://node1.domain15.example.com:82
OK
NEW QUESTION 33
Find the files owned by harry, and copy it to catalog: /opt/dir
Answer:
Explanation:
Answer see in the explanation.
Explanation/Reference:
# cd /opt/
# mkdir dir
# find / -user harry -exec cp -rfp {} /opt/dir/ \;
NEW QUESTION 34
According the following requirements to create a local directory /common/admin.
This directory has admin group.
This directory has read, write and execute permissions for all admin group members.
Other groups and users don't have any permissions.
All the documents or directories created in the/common/admin are automatically inherit the admin group.
Answer:
Explanation:
mkdir -p /common/admin
chgrp admin /common/admin
chmod 2770 /common/admin
NEW QUESTION 35
Find the rows that contain abcde from file /etc/testfile, and write it to the file/tmp/testfile, and the sequence is requested as the same as /etc/testfile.
Answer:
Explanation:
see explanation below.
Explanation
# cat /etc/testfile | while read line;
do
echo $line | grep abcde | tee -a /tmp/testfile
done
OR
grep `abcde' /etc/testfile > /tmp/testfile
NEW QUESTION 36
Add users: user2, user3.
The Additional group of the two users: user2, user3 is the admin group Password: redhat
Answer:
Explanation:
# useradd -G admin user2
# useradd -G admin user3
# passwd user2
redhat
# passwd user3
redhat
NEW QUESTION 37
Adjust the size of the Logical Volume.
Adjust the size of the vo Logical Volume, its file system size should be 290M. Make sure that the content of this system is complete.
Note: the partition size is rarely accurate to the same size as required, so in the range 270M to 320M is acceptable.
Answer:
Explanation:
see explanation below.
Explanation
Addition
df -hT
lvextend -L +100M /dev/vg0/vo
Lvscan
xfs_growfs /home/ //home is the mounted directory of the LVM, this step just need to do in the practice environment, and test EXT4 does not need this step.
resize2fs /dev/vg0/vo// use this command to update in examination.
df -hT
OR
Subtraction
e2fsck -f/dev/vg0/vo
umount /home
resize2fs /dev/vg0/vo // the final required partition capacity is 100M lvreduce -l 100M /dev/vg0/vo mount /dev/vg0/vo/home df -hT
NEW QUESTION 38
......
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