The growth and widespread use of the Internet has been coupled with the use of encryption technology to produce a solution for specific types of private communication channels: ____.
A. TACACS+
B. virtual private networks (VPNs)
C. split tunneling
D. multifactor authentication
Answer: B
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What will be an ideal response?
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A. disable zone transfers B. delete the DNS cache C. disable DNS buffers D. setup DNS proxy
Consider the following relation:
R (Doctor#, Patient#, Date, Diagnosis, Treat_code, Charge) In this relation, a tuple describes a visit of a patient to a doctor along with a treatment code and daily charge. Assume that diagnosis is determined (uniquely) for each patient by a doctor. Assume that each treatment code has a fixed charge (regardless of patient). Is this relation in 2NF? Justify your answer and decompose if necessary. Then argue whether further normalization to 3NF is necessary, and if so, perform it.
Explain in detail what a slice is, how it is used, and how it is created.
What will be an ideal response?