Computer Networking What is the frequency range of the IEEE 802.11b standard? 2.4GHz 5Gbps 2.4Gbps 5GHz 2.4GHz 5Gbps 2.4Gbps 5GHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which class of IP address provides a maximum of only 254 host addresses per network ID? Class D Class C Class A Class B Class D Class C Class A Class B ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which layer of OSI determines the interface of the system with the user? Network Application Data-link Session None of these Network Application Data-link Session None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following communications lines is best suited to interactive processing applications? narrowband channels simplex lines full-duplex lines None of these mixed band channels narrowband channels simplex lines full-duplex lines None of these mixed band channels ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A modulator converts a _____ signal to a(n) _____ signal. PSK; FSK digital; analog analog; digital FSK; PSK None of these PSK; FSK digital; analog analog; digital FSK; PSK None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following communications service provides message preparation and transmission facilities? Fax Teletex Teletext None of these x400 Fax Teletex Teletext None of these x400 ANSWER DOWNLOAD EXAMIANS APP
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