Answer:
d. If X is NP - complete and Y is in NP then Y is NP - complete.
This can be inferred
Explanation:
The statement d can be inferred, rest of the statements cannot be inferred. The X is in NP complete and it reduces to Y. Y is in NP and then it is NP complete. The Y is not in NP complete as it cannot reduce to X. The statement d is inferred.
Answer:
We see an object when light falls on it and gets reflected from its surface and enters our eyes. In a dark room, there is no source of light. no light falls on the surface of objects and we do not see them. This is why we cannot see the objects in a dark room.
Answer:
The correct answer to the following question will be Option A (Firewall).
Explanation:
- A network or information system of safety that relies on predetermined security rules that monitors and commands outbound traffic of network or it will be configured specifically to allow VPN to enter the network
- This usually creates a firewall between a trustworthy internal network, such as the Internet, and the untrustworthy outside network.
The other solutions like B, C and D are not capable of allowing VPN to traffic to a network. Therefore, the correct answer is Option A.