Computer Networking Modulation is the process of Multiplexing various signals into high speed line signals converting digital signals to analog signals performing data encryption. converting analog signals to digital signals Multiplexing various signals into high speed line signals converting digital signals to analog signals performing data encryption. converting analog signals to digital signals ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following conditions is used to transmit two packets over a medium at the same time? Collision Synchronous Contention None of these Asynchronous Collision Synchronous Contention None of these Asynchronous ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is a voiceband channel? Telegraph line Coaxial cable None of these Telephone line Microwave systems Telegraph line Coaxial cable None of these Telephone line Microwave systems ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The CCITT Recommendation X.25 specifies three layers of communications: Session, transport and network application, presentation and session None of these physical datalink and network datalink, network and transport Session, transport and network application, presentation and session None of these physical datalink and network datalink, network and transport ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following allows a router to respond to an ARP request that is intended for a remote host? Gateway DP Inverse ARP (IARP) Reverse ARP (RARP) Proxy ARP Gateway DP Inverse ARP (IARP) Reverse ARP (RARP) Proxy ARP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking An example of a medium-speed, switched communications service is Series 1000 None of these All of these DDD Dataphone 50 Series 1000 None of these All of these DDD Dataphone 50 ANSWER DOWNLOAD EXAMIANS APP