RH202 Exam Dumps : RHCT (Redhat Certified Technician) RH202

Successfully resolv to server1.example.com where your DNS server is 172.24.254.254

Answer and Explanation:

• uk.co.certification.simulator.questionpool.PList@1be8dda0

nameserver 172.24.254.254

• uk.co.certification.simulator.questionpool.PList@1be8de40

On every clients, DNS server is specified in /etc/resolv.conf. When you request by name it tries to resolv from DNS server .

Create the group named sysadmin.

Answer and Explanation:

1.groupadd sysadmin

groupadd command is used to create the group and all group information is stored in /etc/group file.

There are more then 400 Computers in your Office. You are appointed as a System Administrator. But you don’t have Router. So, you are going to use your One Linux Server as a Router. How will you enable IP packets forward?

Answer and Explanation:

1. /proc is the virtual filesystem, we use /proc to modify the kernel parameters at running time.

# echo “1” >/proc/sys/net/ipv4/ip_forward

2. /etc/sysctl.conf  when System Reboot on next time, /etc/rc.d/rc.sysinit scripts reads the file /etc/sysctl.conf. To enable the IP forwarding on next reboot also you need to set the parameter.

net.ipv4.ip_forward=1

Here 0 means disable, 1 means enable.