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Computer Networks
A computer networks can be defined as set of computer that interact among the individual computers sharing resources or information. Reference models have been establish the functions of certain layers in the network for proper performance. The followings section introduce two reference models the open system interconnection (OSI)model established by the international Organization for Standardization (ISO) and the transmission control protocol. Internet Protocol ( TCP / IP) model.
Describe the term - stateful implies The term stateful implies that the firewall is wakeful and is capable of remembering the state of each session of packet exchange across it
Switches operate at layer 2. They enhance bandwidth by decreasing the number of devices sharing the media. They isolate collisions. Like a bridge they forward traffic based upon la
What is the concept of gateway of last resort?
Design a Logical LAN Topology Step: Design an IP addressing scheme. Given the IP address block of 192.168.7.0 /24, design an IP addressing scheme that states the following r
a) What does the "CD" mean in the CSMA/CD? How is it implemented in the Ethernet? b) Consider an Ethernet hub with 8 ports and an Ethernet switch with 8 ports. In both cases
QUESTION a) Security is a very crucial component in a Distributed System. Describe three properties of a secure channel. b) During packet transmission, messages are subdivid
Mesh It is of two dimensional network. In this every processing elements are arranged in a two dimensional grid. The processor are in rows i and column j are denoted by PEi
Latency : In interconnection networks a variety of nodes may be at dissimilar distances depending upon the topology. The network latency differs to the worst-case time wait for a u
Which layer is responsible for coordinating communication between systems Ans) The Session layer performs the following: Responsible for establishing and maintaining connections
Q. What are the Routing Techniques? Routing Routing Techniques Static versus Dynamic Routing Routing Table for classful Addressing Routing Table for Cl
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