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State the methods to keep the attackers at bay
Another best methods to keep the attackers at bay is known as network address translator or NAT. The philosophy behind the design of NAT is that the more an attacker knows about the Intranet, the easier it would be attack and cause damage to it. It is sufficient to know the IP addresses of a server to open it and destroy every important data posted on it.
Question: (a) Explain how a Token Ring networks allows sharing of bandwidth (access control). (b) (i) CSMA/CD is not appropriate for wireless communication. Explain wh
Token Bus Physical order of stations doesn't matter Line is broadcast medium "Send" token by addressing neighbour Provisions for deleting, adding stations
Network Topologies Topology is study of the arrangement or mapping of the elements links nodes etc, of a network especially the physical and logical inter connections bet
Explain clustering support Clustering support refers to the ability of a network operating system to link multiple servers in a fault-tolerant group. The main purpose of this i
Disadvantages of IP sec Tunnelling mode IP sec tunnelling mode has the following disadvantage a.Encryption of small packets generates a lot networks over head thu
Increasingly it is the quality of the interface of mobile phones that are giving competitors the edge. Users not only make selections based on cost but also functionality and cert
Company seldom uses a single router to connect its entire network for two purpose. Because the router must transmit every packet, the processor in a provided router is insuff
The School of Computing is planning to deploy a new network structure to accommodate the following scenario. Please make suggestions on how this LAN can be designed based on the fl
State the process of calculate the drift rate A drift rate of 10 -9 means 1 second in 109 seconds or 1 nsec every second. At OC-1 speed, say 50 Mbps for simplicity, a bit las
Q Illustrate Unipolar line coding? - Simplest method is inexpensive - Utilizes only one voltage level - Polarity is habitually assigned to binary 1 a 0 is represented by
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