What command tests network connectivity while showing you each hop along the way?
A. ping
B. nslookup
C. nbtstat
D. tracert
Answer: D
What is the default subnet mask for a Class B network?
A. 255.0.0.0
B. 255.255.0.0
C. 255.255.255.0
D. 255.255.255.255
Answer: B
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