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Which form of PPP error detection on Cisco routers monitors data dropped on a link?
Ans) The Quality protocol monitors data dropped on a link. Magic Number avoids frame looping.
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
Token Bus Frame Format No length field Data is able to be much larger (timers prevent hogs) Frame control Ack required? Data vs Control frame and how is
Define the term Socks- Network security As it is well known, each type of network security protects data at a different layer of the OSI model. Built-in at each layer lies the
ARP sent the request in broadcast, response is unicast When a source sends ARP request the switch broadcast the ARP req. if it doesn't have the destination mac address in its ma
What is CRC and Checksum CRC (Cyclic redudancy check) CRC, is the most powerful of the redundancy checking methods, is based on binary division. Checksum Checksum
Write the Generic Name of the OSI Layer a) The figures below illustrate, side by side, the OSI 7-layer reference model and the Internet protocol stack. Inside each box represen
Problem 1: (a) Briefly explain each of the following wireless standards: (i) WiFi (ii) WiMAX (iii) 3G. Problem 2: (b) Bluetooth is an industrial specific
How does L2TP process?
What is Client/Server? Clients and Servers are part logical entities that work together over a network to accomplish a task. Lots of systems with very dissimilar architectures
Distribution of DNS 1.By centralized data base The information contained in the domain name space must be stored. A simple design or DNS would have one DNS server that co
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