Computer Networking How many pairs of stations can simultaneously communicate on Ethernet LAN? 1 multiple 3 None of these 2 1 multiple 3 None of these 2 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which fields are contained within an IEEE Ethernet frame header?1. Source and destination MAC address2. Source and destination network address3. Source and destination MAC address and source and destination network address4. FCS field 1 and 4 3 only 2 only 2 and 3 only 1 and 4 3 only 2 only 2 and 3 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following network types have a designated router and a backup designated router assigned?1. Broadcast2. Point-to-point3. NBMA4. NBMA point-to-point 1 and 3 3 and 4 All of these 1, 2 and 3 1 and 3 3 and 4 All of these 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Bulletin board system converts analog signals to digital signals converts digital signals to analog signals is a public access message system is a modem capable of accepting commands None of these converts analog signals to digital signals converts digital signals to analog signals is a public access message system is a modem capable of accepting commands None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is a voiceband channel? Coaxial cable Microwave systems Telephone line Telegraph line None of these Coaxial cable Microwave systems Telephone line Telegraph line None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame? Discard it and send an error message back to the originating host Flood the network with the frame Add the destination to the MAC address table and then forward the frame Add the source address and port to the MAC address table and forward the frame out the destination port Discard it and send an error message back to the originating host Flood the network with the frame Add the destination to the MAC address table and then forward the frame Add the source address and port to the MAC address table and forward the frame out the destination port ANSWER DOWNLOAD EXAMIANS APP