Q Chapter 12 Review Questions 1. The Internet backbone is connected to regional ISPs via which of the following? a. POP ISPs 2. How many root servers are in the DNS infrastructure? 3. Attackers can exploit routing information updates to do which of the following? (Choose all that apply.) 4. Attackers often use DNS cache poisoning to do which of the following? 5. Which of the following is caused by a flaw in how a running process allocates memory to a variable?
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