Computer Networking What frequency range is used for microwave communications, satellite and radar? Super High Frequency : 3000 MHz to 30000 MHz Low Frequency : 30 kHz to 300 kHz None of these Medium Frequency : 300 kHz to 3 MHz Extremely High Frequency :30,000 MHz Super High Frequency : 3000 MHz to 30000 MHz Low Frequency : 30 kHz to 300 kHz None of these Medium Frequency : 300 kHz to 3 MHz Extremely High Frequency :30,000 MHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Synchronous protocols allow faster transmission than asynchronous protocols do transmit characters one at a time None of these are generally used by personal computers are more reliable allow faster transmission than asynchronous protocols do transmit characters one at a time None of these are generally used by personal computers are more reliable ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts?1. A crossover cable should be used in place of the straight-through cable.2. A rollover cable should be used in place of the straight-through cable.3. The subnet masks should be set to 255.255.255.192.4. A default gateway needs to be set on each host.5. The subnet masks should be set to 255.255.255.0. 1 and 5 only 2 only 1 only 3 and 4 only 2 and 5 only 1 and 5 only 2 only 1 only 3 and 4 only 2 and 5 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A default Frame Relay WAN is classified as what type of physical network? Non-broadcast multi-access Broadcast multi-access Point-to-point Non-broadcast multipoint Non-broadcast multi-access Broadcast multi-access Point-to-point Non-broadcast multipoint ANSWER DOWNLOAD EXAMIANS APP
Computer Networking ASK, PSK, FSK, and QAM are examples of _____ encoding. analog-to-digital None of these analog-to-analog digital-to-analog digital-to-digital analog-to-digital None of these analog-to-analog digital-to-analog digital-to-digital ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which encapsulations can be configured on a serial interface?1. Ethernet2. Token Ring3. HDLC4. Frame Relay5. PPP 3, 4 and 5 1 and 4 2 only All of these 3, 4 and 5 1 and 4 2 only All of these ANSWER DOWNLOAD EXAMIANS APP
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