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. K I (K - P) P I (K + 1) KIK (1 + F) 1/ (1 - F) None of these K I (K - P) P I (K + 1) KIK (1 + F) 1/ (1 - F) None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The synchronous modems are more costly than the asynchronous modems because they produce large volume of data None of these they transmit the data with stop and start bits. they operate with a larger bandwidth they contain clock recovery circuits they produce large volume of data None of these they transmit the data with stop and start bits. they operate with a larger bandwidth they contain clock recovery circuits ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which WAN encapsulations can be configured on an asynchronous serial connection?1. PPP2. ATM3. HDLC4. SDLC5. Frame Relay 2 and 4 3, 4 and 5 All of these 1 and 2 2 and 4 3, 4 and 5 All of these 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following provide inter-switch VLAN communication? 1. ISL 2. VTP 3. 802.1Q 4. 802.3Z 2, 3 and 4 1 and 3 2 and 4 2 only 2, 3 and 4 1 and 3 2 and 4 2 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking On a VLSM network, which mask should you use on point-to-point WAN links in order to reduce the waste of IP addresses? /30 /27 /28 /29 /30 /27 /28 /29 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You want to create a standard access list that denies the subnet of the following host: 172.16.198.94/19. Which of the following would you start your list with? access-list 10 deny 172.16.172.0 0.0.31.255 access-list 10 deny 172.16.0.0 0.0.255.255 access-list 10 deny 172.16.188.0 0.0.15.255 access-list 10 deny 172.16.192.0 0.0.31.255 access-list 10 deny 172.16.172.0 0.0.31.255 access-list 10 deny 172.16.0.0 0.0.255.255 access-list 10 deny 172.16.188.0 0.0.15.255 access-list 10 deny 172.16.192.0 0.0.31.255 ANSWER DOWNLOAD EXAMIANS APP