Download RedHat.EX300.PracticeTest.2018-01-31.40q.tqb
| Vendor: | RedHat |
| Exam Code: | EX300 |
| Exam Name: | Red Hat Certified Engineer (RHCE) |
| Date: | Jan 31, 2018 |
| File Size: | 867 KB |
Demo Questions
Question 1
Cofigure SELINUX
Modify the state of selinux to Enforcing mode
Use VIM /etc/selinux
- See Explanation
Correct answer: A
Explanation:
vim /etc/selinux/config SELINUX=enforcing :wqreboot vim /etc/selinux/config
SELINUX=enforcing
:wq
reboot
Question 2
Configure the SSH Access as required:
Users can visit your two virtual machine systems via clients of domain group3.example.com through SSH remote
- See Explanation
Correct answer: A
Explanation:
Modify file /etc/hosts.allow Add a line: sshd: 172.24.11. Modify file /etc/hosts.deny Add a line: sshd: 172.25.0. Both of them need to be configured There is a solution 2: Add a firewall firewall-cmd –zone=block --add-source=172.25.11.0/24 --permanent firewall-cmd –reload Both of them need to be configured Modify file /etc/hosts.allow
Add a line: sshd: 172.24.11.
Modify file /etc/hosts.deny
Add a line: sshd: 172.25.0.
Both of them need to be configured
There is a solution 2: Add a firewall
firewall-cmd –zone=block --add-source=172.25.11.0/24 --permanent firewall-cmd –reload
Both of them need to be configured
Question 3
Custom User Environment
Create a custom command on system1 and system2 named as qstat, this custome command will execute the following commands:
/bin/ps - Ao pid,tt,user,fname,rsz
This command is valid for all users in the system
- See Explanation
Correct answer: A
Explanation:
vim /etc/bashrc // restart and keep valid alias qstat=’/bin/ps -Ao pid,tt,user,fname,rsz’ :wqsource /etc/bashrc alias // check if there is a qstat qstat // execute vim /etc/bashrc // restart and keep valid
alias qstat=’/bin/ps -Ao pid,tt,user,fname,rsz’
:wq
source /etc/bashrc
alias // check if there is a qstat qstat // execute
