How many IP addresses are available using a 255.255.255.240 subnet mask?
What will be an ideal response?
Sixteen IP addresses are defined, but one is reserved for the network and one is reserved for the
broadcast address, thereby providing 14 usable IP addresses.
Computer Science & Information Technology
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Which of the following protocols uses port 22 by default?
A. FTP B. DNS C. Telnet D. SSH
Computer Science & Information Technology
In the code for the __iter__ method for the ArrayDict class, what is the missing code?
def __iter__(self): cursor = 0 while cursor < len(self): yield self.items[cursor].key
A. return(self.items[cursor]) B. cursor -= 1 C. return(self.items[key]) D. cursor += 1
Computer Science & Information Technology