Computer Networking How many non-overlapping channels are available with 802.11h? 23 3 12 40 23 3 12 40 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many OSI layers are covered in the X.25 standard? three two seven None of these six three two seven None of these six ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If an Ethernet port on a router were assigned an IP address of 172.16.112.1/25, what would be the valid subnet address of this host? 172.16.112.0 172.16.0.0 172.16.255.0 172.16.96.0 172.16.112.0 172.16.0.0 172.16.255.0 172.16.96.0 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The difference between a multiplexer and a statistical multiplexer is Multiplexers often waste the output link capacity while statistical multiplexers optimize its use Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM) None of these Statistical multiplexers need buffers while multiplexers do not need buffers Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol Multiplexers often waste the output link capacity while statistical multiplexers optimize its use Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM) None of these Statistical multiplexers need buffers while multiplexers do not need buffers Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following conditions is used to transmit two packets over a medium at the same time? Contention Collision Asynchronous None of these Synchronous Contention Collision Asynchronous None of these Synchronous 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? 802.1 PAP Frame Relay HDLC PPP 802.1 PAP Frame Relay HDLC PPP ANSWER DOWNLOAD EXAMIANS APP