Online Access Free 202-450 Practice Test

What is the path to the global Postfix configuration file? (Specify the full name of the file, including path.)

What option for BIND is required in the global options to disable recursive queries on the DNS server by default?

• A.recursion no;
• B.allow-recursive-query (none; );
• C.recursion {none; };
• D.recursion {disabled; };
• E.allow-recursive-query off;

To which destination will a route appear in the Linux routing table after activating IPv6 on a router's network interface, even when no global IPv6 addresses have been assigned to the interface?

• A.0::/0
• B.fe80::/10
• C.0::/128
• D.2000::/3
• E.fe80::/64

On a Linux router, packet forwarding for IPv4 has been enabled. After a reboot, the machine no longer forwards IP packets from other hosts. The command:
echo 1 > /proc/sys/net/ipv4/ip_forward
temporarily resolves this issue.
Which one of the following options is the best way to ensure this setting is saved across system restarts?

• A.Add echo 1 > /proc/sys/net/ipv4/ip_forward to any user login script
• B.In /etc/rc.local add net.ipv4.ip_forward = 1
• C.In /etc/sysct1.conf change net.ipv4.ip_forward to 1
• D.Add echo 1 > /proc/sys/net/ipv4/ip_forward to the root user login script
• E.In /etc/sysconfig/iptables-config add ipv4.ip_forward = 1

A company is transitioning to a new DNS domain name and wants to accept e-mail for both domains for all of its users on a Postfix server.
Which configuration option should be updated to accomplish this?

• A.myhosts
• B.mydestination
• C.mydomain
• D.mylocations
• E.mydomains