In a fiber-based LAN, an ____, fiber optic power meter, and even a fusion splicer may be needed to reconnect damaged fibers.

The _____ function generates a unique ID for a specified node set.?

Fill in the blank(s) with the appropriate word(s).

New security risks are revealed all the time. For instance, it was recently discovered that data from some unencrypted smart meters can be accessed from nearly ____ away, enabling would-be burglars to monitor homes to see if they are occupied based on electricity usage within the homes.

A. 50 feet B. 1,000 feet C. 100 feet D. 2 miles