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RedHat EX300 Sample Questions
Question # 1
There are two different networks 192.168.0.0/24 and 192.168.1.0/24. Where 192.168.0.254and 192.168.1.254 IP Address are assigned on Server. Verify your network settings bypinging 192.168.1.0/24 Network's Host.Answer: Please see explanation
Answer : .
Explanation: Explanation:
vi /etc/sysconfing/network NETWORKING=yes HOSTNAME=station?.example.com GATEWAY=192.168.0.254 service network restart
One Logical Volume is created named as myvol under vo volume group and is mounted.The Initial Size of that Logical Volume is 400MB. Make successfully that the size of LogicalVolume 200MB without losing any data. The size of logical volume 200MB to 210MB will beacceptable.Answer: Please see explanation
Answer : .
Explanation: Explanation:
First check the size of Logical Volume: lvdisplay /dev/vo/myvol
Make sure that the filesystem is in a consistent state before reducing:
# fsck -f /dev/vo/myvol
Now reduce the filesystem by 200MB.
# resize2fs /dev/vo/myvol 200M
It is now possible to reduce the logical volume. #lvreduce /dev/vo/myvol -L 200M
Verify the Size of Logical Volume: lvdisplay /dev/vo/myvol
Verify that the size comes in online or not: df -h
Question # 3
Given the kernel of a permanent kernel parameters: sysctl=1.It can be shown on cmdline after restarting the system.Kernel of /boot/grub/grub.conf should be a34dded finally, as:Answer: Please see explanation
Answer : .
Explanation: Explanation:
Kernel of /boot/grub/grub.conf should be added finally, as:
Create a Shell script /root/program:The shell script will come back to “user” parameter when you are entering “kernel”parameter.The shell script will come back to “kernel” when you are entering “user” parameter.It will output the standard error when this script “usage:/root/program kernel|user”don’t input any parameter or the parameter you inputted is entered as therequirements.Answer: Please see explanation
Answer : .
Explanation: Explanation:
[root@server1 virtual]# cat /root/program
#!/bin/bash param1="$1"
if [ "$param1" == "kernel" ]; then echo "user"
elif [ "$param1" == "user" ]; then echo "kernel" else
echo "usage:/root/program kernel|user" fi
[root@server1 ~]# chmod +x /root/program
Question # 5
Configure ssh to allow user harry to access, reject the domain t3gg.com (172.25.0.0/16) toaccess.Answer: Please see explanation
Deploy your SMTP mail service and complete it by the following requirements:-- Your mail service must be able to receive the local and remote mails-- harry must be able to receive the remote mail-- The mail which is delivered to mary should be put into the mail /var/spool/mail/maryAnswer: Please see explanation
Answer : .
Explanation: Explanation:
Modify /etc/postfix/main.cf, open the following parameters:
According to the following requirements, deploy your ftp login rule:Users in example.com domain must be able to login to your ftp server as ananonymous user.But users outside the example.com domain are unable to login to your serverAnswer: Please see explanation