A technician is setting up a branch office on a point-to-point connection. Which of the following IP network blocks is the MOST efficient use of IP address space for the router connections between the two sites?
A. /24
B. /25
C. /30
D. /32
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255.255.255.252 or /30
Available host = 4
Usable host = 4 – 2 = 2