READ Free Dumps For RedHat- RH302
| Question ID 17482 | You are an Administrator of example.com domain. You need to configure the DNS |
| Option A | Answer : 1. Rename the file named.caching-nameserver.conf into named.conf file located into /var/named/chroot/etc #mv /var/named/chroot/etc/named.caching-nameserver.conf /var/named/chroot/etc/named.conf named_conf_t /var/named/chroot/etc/named.conf If selinux context is mismatch use the restorecon R /var command 3.vi /etc/named.conf zone example.com IN { type master; file example.com.zone; }; /var/named/chroot/etc/named.conf file is used to register the zone as well as specify the global option for DNS server. There are two types of zone, i. Master, which contains the original data. ii. Slave, backup of master. Here is the example of master zone configuration. 4.vi /var/named/chroot/var/named/example.com.zone $TTL 345345 @ IN SOA @ webmaster.example.com.( 101;Serial Number 1H;Refresh Time 1M;Retry Time 1W;Expire Time 1D;Minimum Time to Live ) @ IN NS 192.100.0.X www 0 IN A 192.100.0.1 www 0 IN A 192.100.0.2 www 0 IN A 192.100.0.3 www 0 IN A 192.100.0.4 www 0 IN A 192.100.0.5 3.service named start 4.rndc reload 5.chkconfig named on named_zone_t /var/named/chroot/var/named/example.com.zone If selinux context is mismatch use the restorecon R /var command 7.service named start 8.rndc reload 9.chkconfig named on Zone file should create on /var/named/chroot/var/named. Default Directory Path is specified on /var/named/chroot/etc/named.conf file. $TTLTime To Live, How much seconds cache server stores the information about DNS. And Five Parameters specified Serial Number used by slave to synchronize with master server. Refresh and Retry Time used by slave server. NS is the Name (DNS) server where lookup the domain. A (Associated IP) for particular host. |
| Correct Answer | A |
| Question ID 17483 | Share the Internet using squid for your Local LAN. Proxy server should be run on |
| Option A | Answer : 1.vi /etc/squid/squid.conf http_port8080 # Near the src acl src section acl mynet src 192.168.0.0/255.255.255.0 # http_access deny all #Under Herehttp_access allow mynet 2.service squid start 3.chkconfig squid on squid is a proxy caching server, using squid we can share the internet, block the internet, to certain network. First we should define the port for squid, the standard port for squid is 3128. We can run squid on different port by specifying http_port portnumber. To block or allow the Internet access to hosts, we should create the acl (Access Control List). In this file we can specify only the IP address. acl aclname src IP/NetmaskAfter creating acl we can block or allow the internet to specified acl. http_access allow | deny alcname |
| Correct Answer | A |