Question: 1. Answer the following: a. Describe two examples of DNS hijacking. b. Discuss advantages and disadvantages of setting a smaller DNS time-to-live (TTL) value, in

1. Answer the following: a. Describe two examples of DNS hijacking. b. Discuss advantages and disadvantages of setting a smaller DNS time-to-live (TTL) value, in terms of security and performance. What about a larger TTL value? 2. Describe the security association for IPsec

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