Computer Networking The EIA-232 interface has _____ pins. 20 None of these 25 24 30 20 None of these 25 24 30 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What frequency range is used for microwave communications, satellite and radar? Extremely High Frequency :30,000 MHz Super High Frequency : 3000 MHz to 30000 MHz Medium Frequency : 300 kHz to 3 MHz Low Frequency : 30 kHz to 300 kHz None of these Extremely High Frequency :30,000 MHz Super High Frequency : 3000 MHz to 30000 MHz Medium Frequency : 300 kHz to 3 MHz Low Frequency : 30 kHz to 300 kHz None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How does a host on an Ethernet LAN know when to transmit after a collision has occurred?1. In a CSMA/CD collision domain, multiple stations can successfully transmit data simultaneously.2. In a CSMA/CD collision domain, stations must wait until the media is not in use before transmitting.3. You can improve the CSMA/CD network by adding more hubs.4. After a collision, the station that detected the collision has first priority to resend the lost data.5. After a collision, all stations run a random backoff algorithm. When the backoff delay period has expired, all stations have equal priority to transmit data. 2 and 4 2 and 5 1 and 3 1,3 and 4 2 and 4 2 and 5 1 and 3 1,3 and 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking An encyclopedic database is generally free All of these is easy for beginners to use None of these is an information utility that specializes in storing and searching information is generally free All of these is easy for beginners to use None of these is an information utility that specializes in storing and searching information ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The coming together of three technologies i.e. microelectronics, computing and communications has ushered in business revolution educational upgradation information explosion None of these information technology business revolution educational upgradation information explosion None of these information technology ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The topology with highest reliability is: Ring topology Mesh topology Star topology Bus topology Ring topology Mesh topology Star topology Bus topology ANSWER DOWNLOAD EXAMIANS APP
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