Computer Networking An internetworking protocol that provides virtual circuit service across multiple X.25 protocol, is X.75 X.400 X.25 None of these X.21 X.75 X.400 X.25 None of these X.21 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following encapsulates PPP frames in Ethernet frames and uses common PPP features like authentication, encryption, and compression? Token Ring PPPoE PPPoA PPP Token Ring PPPoE PPPoA PPP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You have been contracted to install a windows NT network in an office that is located in a strip mall. The office is located next to the power plant of the building, so a UPS (uninterruptible power supply) has already been installed. What type of cable should you use for the network cabling? Choose the best answer. Fiber-optic TI STP UTP PSTN Fiber-optic TI STP UTP PSTN ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to 0.999 0.991 0.009 None of these 0.003 0.999 0.991 0.009 None of these 0.003 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following are benefits of VLANs?1. They increase the size of collision domains.2. They allow logical grouping of users by function.3. They can enhance network security.4. They increase the size of broadcast domains while decreasing the number of collision domains.5. They simplify switch administration.6. They increase the number of broadcast domains while decreasing the size of the broadcast domains. 2, 3 and 6 1 and 5 1, 3 and 5 2 and 4 2, 3 and 6 1 and 5 1, 3 and 5 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Communication circuits that transmit data in both directions but not at the same time are operating in an asynchronous mode a full-duplex mode a simplex mode None of these a half-duplex mode an asynchronous mode a full-duplex mode a simplex mode None of these a half-duplex mode ANSWER DOWNLOAD EXAMIANS APP