[SOLVED] 编程代考 Key knowledge/skills: network security & attacks

Key knowledge/skills: network security & attacks
Q1. Where is the information about ports and device Layer 2 addresses kept in a switch? And where is the information about IP address kept in a router?
Q2. Which type of query is sent from a DNS resolver to a DNS server? Q3. How many host IPv4 addresses are possible in a /24 network? Q4. How do UDP scans work?
Q5. What is a phishing attack?

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Q6. How do you describe a traditional IPS?

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