In the scenario you should be aware that 802.11a uses a 5GHz signal, which makes it effective only at shorter distances, as well as incompatible with 802.11b's 2.4GHz signal, but places it in a much less-crowded bandwidth. Which of the following protocols provides the actual encryption used over VPN?
A. PPP
B. HTTPS
C. PPTP
D. SSH
Answer: C. PPTP
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In general, linked lists allow:
a. Insertions and removals anywhere. b. Insertions and removals only at one end. c. Insertions at the back and removals from the front. d. None of the above.
Which of the following initializer lists correctly initializes the indexed variables of an array named myDoubles?
(a) double myDoubles[double] = {0.0, 1.0, 1.5, 2.0, 2.5}; (b) double myDoubles[5] = new double(0.0, 1.0, 1.5, 2.0, 2.5); (c) double[] myDoubles = {0.0, 1.0, 1.5, 2.0, 2.5}; (d) array myDoubles[double] = {0.0, 1.0, 1.5, 2.0, 2.5};
A ________ is a means of grouping firewall rules so that they apply to the affected computers dependent on where the computer is connected
a. Policy b. Profile c. State d. Cluster
Which of the following is not one of the roles and responsibilities of an Internet access provider?
a. Protecting their site and network from external threats. b. Providing customer service and technical support only during normal business hours. c. Providing and maintaining a connection to the Internet. d. Supporting the hardware and software needed to service the connection