Computer Networking For data communications to occur, the communicating devices must be part of a communication system made up of a combination of? Full duplex and half duplex Hardware and software All of these WAN and LAN Full duplex and half duplex Hardware and software All of these WAN and LAN ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the frequency range of the IEEE 802.11a standard? 5Gbps 2.4Gbps 5GHz 2.4GHz 5Gbps 2.4Gbps 5GHz 2.4GHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following frequency ranges is used for AM radio transmission? Very High Frequency : 30 MHz to 300 MHz High Frequency : 3 MHz to 30 MHz None of these Medium Frequency : 300 kHz to 3 MHz Very Low Frequency : 3 kHz to 30 kHz Very High Frequency : 30 MHz to 300 MHz High Frequency : 3 MHz to 30 MHz None of these Medium Frequency : 300 kHz to 3 MHz Very Low Frequency : 3 kHz to 30 kHz ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following divides the high speed signal into frequency bands? None of these frequency-division multiplexer time-division multiplexer modem t-switch None of these frequency-division multiplexer time-division multiplexer modem t-switch ANSWER DOWNLOAD EXAMIANS APP
Computer Networking In geosynchronous orbit, satellite None of these moves faster than the earth's rotation so that it can cover larger portion of earth. moves simultaneously remains in a fixed position related to points on earth remains in a fixed position so that as earth rotates, it can fully cover the earth None of these moves faster than the earth's rotation so that it can cover larger portion of earth. moves simultaneously remains in a fixed position related to points on earth remains in a fixed position so that as earth rotates, it can fully cover the earth ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What can cause a problem with communication with a client by name but not by IP address? The default gateway Static files such as an LMHOSTS file or a DNS database Subnet mask None of these The IP address The default gateway Static files such as an LMHOSTS file or a DNS database Subnet mask None of these The IP address ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS