A second network card in a server that activates if the primary card fails is an example of which of the following network performance optimization?
A. Fault tolerance
B. High availability
C. QoS
D. Load balancing
Answer: A. Fault tolerance
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A. This is the style for an unordered list, and the selector should be changed to ul. B. The value of a square cannot be used for ordered lists. C. Nothing; the style is correct. D. both a and b
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