In the practice of ____, a subclass redefines an inherited method using the same number and types of parameters.
A. refactoring
B. overriding
C. redefining
D. extending
Answer: B
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(There are two compiler warnings with this code. Can you spot them?) ``` int main() { float x = 4.12345678901230, z = 2; int a = 6, b = 6.882; double r = 3.12345678901234567; ```
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Indicate whether the statement is true or false
Class __________ fires are extinguished by agents that remove oxygen from the fire.
A. A B. B C. C D. D
A technician is installing a surveillance system for a home network. The technician is unsure which ports need to be opened to allow remote access to the system. Which of the following should the technician perform?
A. Disable the network based firewall B. Implicit deny all traffic on network C. Configure a VLAN on Layer 2 switch D. Add the system to the DMZ