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. None of these K I (K - P) 1/ (1 - F) P I (K + 1) KIK (1 + F) None of these K I (K - P) 1/ (1 - F) P I (K + 1) KIK (1 + F) ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the result of segmenting a network with a bridge (switch)?1. It increases the number of collision domains.2. It decreases the number of collision domains.3. It increases the number of broadcast domains.4. It decreases the number of broadcast domains.5. It makes smaller collision domains.6. It makes larger collision domains. 3, 4 and 6 1, 3 and 6 1 and 5 2, 3 and 5 3, 4 and 6 1, 3 and 6 1 and 5 2, 3 and 5 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called? Electronic mail Telex None of these Word processor Facsimile Electronic mail Telex None of these Word processor Facsimile ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Baseband is transmission of signals without modulation None of these a signal all of whose energy is contained within a finite frequency range All of these the simultaneous transmission of data to a number of stations transmission of signals without modulation None of these a signal all of whose energy is contained within a finite frequency range All of these the simultaneous transmission of data to a number of stations ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following are layers in the TCP/IP model?1. Application2. Session3. Transport4. Internet5. Data Link6. Physical 1, 3 and 4 2, 3 and 5 3, 4 and 5 1 and 2 1, 3 and 4 2, 3 and 5 3, 4 and 5 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring? 8 x 105 bit frame 10,000 B frame 80,000 B frame 8000 B frame 8 x 105 bit frame 10,000 B frame 80,000 B frame 8000 B frame ANSWER DOWNLOAD EXAMIANS APP