P.S: This is just a study guide. The questions may not appear exactly like this.
Question 1.1. (TCO 1) When creating the script for iptables, each line must begin with _____. (Points : 5)
iptables
tcp, udp, or icmp
input or output
ip
Question 2.2. (TCO 1) What iptables option defines the protocol being filtered? (Points : 5)
-prot
-p
-f
-protocol
Question 3.3. (TCO 2) What type of server acts as a middleman between your LAN and the Internet? (Points : 5)
DNS
Proxy
Web
Hidden
Question 4.4. (TCO 2) The operation of DNS is most like a _____. (Points : 5)
post card
registered letter
phone book
telephone call
Question 5.5. (TCO 2) If you wanted to configure your DNS client in Linux to recognize the DNS server at 10.1.2.3, you would type _____. (Points : 5)
DNS 10.1.2.3
nameserver 10.1.2.3
server 10.1.2.3
DNSServer 10.1.2.3