A group of 2m - 1 routers are interconnected in a centralized binary tree, with router at each tree node. Router I communicate with router J by sending a message to the root of the tree. The root then sends the message back down to J. Then find the mean router-router path length.
A network administrator views the output from the show ip route command. A network that is advertised by both RIP and IGRP appears in the routing table flagged as an IGRP route. Why is the RIP route to this network not used in the routing table?
Options: IGRP has a faster update timer., IGRP has a lower administrative distance., RIP has a higher metric value for that route., The IGRP route has fewer hops.
Options: is a value that is incremented whenever a dirty read occurs., is incremented whenever a deadlock occurs., is a value that keeps track of explicit locks., is a value that is incremented whenever database changes are made.
Options: a. When Item is somewhere in the middle of the array
b. When Item is not in the array at all
c. When Item is the last element in the array
d. When Item is the last element in the array or is not there at all
You have your laptop directly connected into a router's Ethernet port. Which of the following are among the requirements for the copy flash tftp command to be successful? TFTP server software must be running on the router. TFTP server software must be running on your laptop. The Ethernet cable connecting the laptop directly into the router's Ethernet port must be a straight-through cable. The laptop must be on the same subnet as the router's Ethernet interface. The copy flash tftp command must be supplied the IP address of the laptop.
Options: 1, 3 and 4, 2, 4 and 5, 3 and 5 only, 5 only
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.
Options: P I (K + 1), KIK (1 + F), 1/ (1 - F), K I (K - P)