一日一题 Question3， 带答案

小龙

Question 3.\r\nYou need to Control access to a network by analyzing the incoming and outgoing packets and letting them pass or halting them based on the IP addresses of the source and destination. You are going to configure your Firewall to do such filtering. What type of technique are you using?\r\n\r\nSelect the best / most accurate answer: \r\nA.        AXM setup \r\nB.        NAT \r\nC.        Policy based networking \r\nD.        Static Packet Filtering\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nCorrect Answer : D   Static Packet Filtering\r\n\r\nExplanation: Packet Filtering: Also referred to as static packet filtering. Controlling access to a network by analyzing the incoming and outgoing packets and letting, them pass or halting them based on the IP addresses of the source and destination. Packet filtering is one technique, among many, for implementing security firewalls. \r\n