Computer Networking Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost. P I (K + 1) K I (K - P) KIK (1 + F) 1/ (1 - F) None of these P I (K + 1) K I (K - P) KIK (1 + F) 1/ (1 - F) None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The area of coverage of a satellite radio beam is known as Beam width Footprint Identity None of these Circular polarization Beam width Footprint Identity None of these Circular polarization ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which file transfer protocol uses UDP? NFS TELNET None of these FTP TFTP NFS TELNET None of these FTP TFTP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following communications modes support two-way traffic but in only one direction of a time? full-of the above three-quarters duplex simplex None of these half-duplex full-of the above three-quarters duplex simplex None of these half-duplex ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is the decimal and hexadecimal equivalents of the binary number 10011101? 155, 0x9B 185, 0xB9 157, 0x9D 159, 0x9F 155, 0x9B 185, 0xB9 157, 0x9D 159, 0x9F ANSWER DOWNLOAD EXAMIANS APP