Computer Networking The OCR reading unit attached to a POS terminal is called a All of these None of these cursor light pen wand All of these None of these cursor light pen wand ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following frequency ranges is used for AM radio transmission? Very Low Frequency : 3 kHz to 30 kHz Medium Frequency : 300 kHz to 3 MHz Very High Frequency : 30 MHz to 300 MHz High Frequency : 3 MHz to 30 MHz None of these Very Low Frequency : 3 kHz to 30 kHz Medium Frequency : 300 kHz to 3 MHz Very High Frequency : 30 MHz to 300 MHz High Frequency : 3 MHz to 30 MHz None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The Acme Corporation is implementing dial-up services to enable remote-office employees to connect to the local network. The company uses multiple routed protocols, needs authentication of users connecting to the network, and since some calls will be long distance, needs callback support. Which of the following protocols is the best choice for these remote services? PAP PPP HDLC Frame Relay 802.1 PAP PPP HDLC Frame Relay 802.1 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The packets switching concept was first proposed None of these in the early 1960s for military communication systems, mainly to handle speech in the late 1980s for the Defense Ministry of US. in the late 1950s for Defense Ministry of US All of these None of these in the early 1960s for military communication systems, mainly to handle speech in the late 1980s for the Defense Ministry of US. in the late 1950s for Defense Ministry of US All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which class of IP address provides a maximum of only 254 host addresses per network ID? Class A Class C Class B Class D Class A Class C Class B Class D ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The _____ layer is the layer closest to the transmission medium. physical network data link None of these transport physical network data link None of these transport ANSWER DOWNLOAD EXAMIANS APP
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