You Are Configuring the Host Firewall on a Linux System

question 17

Multiple Choice

You are configuring the host firewall on a Linux system and want to make sure that the packets sent by the ping program are not processed by the system. Which command should you use?

• A) netfilter -A INPUT -p icmp -j DROP
• B) iptables -A INPUT --dport icmp -j DROP
• C) netfilter -A INPUT --dport icmp -j DROP
• D) iptables -A INPUT -p icmp -j DROP

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Definitions:

Bits Per Second

A unit of measurement for data transmission speed in digital networks, indicating the number of binary digits transmitted per second.

Token

A special data packet used to pass data on a network.

Data Collisions

A phenomenon where two or more data packets transmitted at the same time on a network segment collide, causing a disruption in communication.

Ring Networks

A network configuration where each device is connected to two other devices, forming a circular data path.