RH302 Exam - Free Red Hat Questions and Answers

Question #1 (Topic: Topic 0)

Change the root Password to redtophat

Answer: 1. Boot the system in Single user mode 2. Use the passwd command

Question #2 (Topic: Topic 0)

Dig Server1.example.com, Resolve to successfully through DNS Where DNS server is
172.24.254.254

Answer: #vi /etc/resolv.conf nameserver 172.24.254.254 # dig server1.example.com #host server1.example.com DNS is the Domain Name System, which maintains a database that can help your computer translate domain names such as www.redhat.com to IP addresses such as 216.148.218.197. As no individual DNS server is large enough to keep a database for the entire Internet, they can refer requests to other DNS servers. DNS is based on the named daemon, which is built on the BIND (Berkeley Internet Name Domain) package developed through the Internet Software Consortium Users wants to access by name so DNS will interpret the name into ip address. You need to specify the Address if DNS server in each and every client machine. In Redhat Enterprise Linux, you need to specify the DNS server into /etc/resolv.conf file. After Specifying the DNS server address, you can verify using host, dig and nslookup commands.

Question #3 (Topic: Topic 0)

Create the partition having 100MB size and mount it on /mnt/neo

Answer: 1. Use fdisk /dev/hda-> To create new partition. 2. Type n-> For New partitions 3. It will ask for Logical or Primary Partitions. Press l for logical. Use the Default by pressing Enter Key. +100M-> You can Specify either Last cylinder of Size here. 6. Press P to verify the partitions lists and remember the partitions name. 7. Press w to write on partitions table. 8. Either Reboot or use partprobe command. 9. Use mkfs -t ext3 /dev/hda? Where ? is your partition number 10. Or 11. mke2fs -j /dev/hda? To create ext3 filesystem. 12. mkdir /mnt/neo 13. vi /etc/fstab 15. /dev/hda? /mnt/neo ext3 defaults 1 2 17. mount /dev/hda? /mnt/neo

Question #4 (Topic: Topic 0)

Your System is going use as a router for 172.24.0.0/16 and 172.25.0.0/16. Enable the IP
Forwarding.

Answer: 1. echo "1" >/proc/sys/net/ipv4/ip_forward 2. vi /etc/sysctl.conf net.ipv4.ip_forward=1 /proc is the virtual filesystem, containing the information about the running kernel. To change the parameter of running kernel you should modify on /proc. From Next reboot the system, kernel will take the value from /etc/sysctl.conf.

Question #5 (Topic: Topic 0)

Some users home directory is shared from your system. Using showmount -e localhost
command, the shared directory is not shown. Make access the shared users home
directory.

Answer: cat /etc/exports service nfs start service portmap start chkconfig nfs on chkconfig portmap on showmount -e localhost 7. Check that default firewall is running on system ? if running flush the iptables using iptables -F and stop the iptables service.

Red Hat RH302 - Red Hat Certified Engineer on Redhat Exam