單項(xiàng)選擇題As an experienced technician, you are responsible for Technical Support. A customer calls to askthe best signal level and noise level for cell phone. How to respond?()

A. -40dBm signal and -90dBm noise
B. -50dBm signal and -90dBm noise
C. -30dBm signal and -90dBm noise
D. -20dBm signal and -90dBm noise


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4.多項(xiàng)選擇題Which three components comprise the AVVID framework?()

A. common network infrastructure
B. abstracted integration
C. network solutions
D. intelligent network services

5.多項(xiàng)選擇題Which three of these are major scaling, sizing, and performance considerations for an IP secdesign? ()

A. connection speed
B. number of remote sites
C. features to be supported
D. types of devices at the remote site
E. whether packets are encrypted using 3DES or AES
F. number of routes in the routing table at the remote site