Computer Networking The CCITT Recommendation X.25 specifies three layers of communications: Session, transport and network None of these physical datalink and network datalink, network and transport application, presentation and session Session, transport and network None of these physical datalink and network datalink, network and transport application, presentation and session ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is required to communicate between two computers? protocol communications hardware communications software access to transmission medium All of these protocol communications hardware communications software access to transmission medium All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking To avoid transmission errors, a check figure is calculated by the both A and B receiving computer transmitting computer None of these Start and stop bit both A and B receiving computer transmitting computer None of these Start and stop bit ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 2000-character text file has to be transmitted by using a 1,200 baud modem. Can you tell how long will it take? 2 seconds 120 seconds 12 seconds None of these 20 seconds 2 seconds 120 seconds 12 seconds None of these 20 seconds ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The most important part of a multiple DHCP configurations is to make sure you don't have which of the following in the different scopes? Select the best answer. Duplicate default gateways Duplicate subnets Duplicate pools Duplicate addresses None of these Duplicate default gateways Duplicate subnets Duplicate pools Duplicate addresses None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is a voiceband channel? None of these Telegraph line Telephone line Coaxial cable Microwave systems None of these Telegraph line Telephone line Coaxial cable Microwave systems ANSWER DOWNLOAD EXAMIANS APP