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What are proxy servers and how do they protect computer networks?
Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without information of the correct IP address, even the physical location of the network can't be identified. Proxy servers can make a network virtually invisible to external users.
#clasification of inductor
State about the Packet filter firewalls They remain the most common type of firewall in use as of today. They were the earliest firewalls developed and were capable of permitt
explain layered protocol architecture
a transperent switch is inserted between two local area networks ABC and XYZ.network ABC has workstation 1,2,and 3 and Network XYZ has workstation 4,5, and 6. show the contents of
Q. Why congestion occurs? Congestion Emerge if the load on the network is greater than the capacity of the network - Load that is the number of packets sent to the net
The grouped SQL statements are known as Transactions (or) A transaction is a collection of actions embused with ACID properties.
No Retransmission This protocols will not through the correctly received packets but buffers than and send acknowledgment for those packets. Thus retransmission of th
Differentiate between Fast fading and Slow fading Fast fading refers to changes in signal strength among a transmitter and receiver as the distance among the two changes by a s
You are a network consultant working for a large European networVservice provider and have been given the task of reviewing the future network requirements of the company for its f
Q. Unshielded Twisted Pair - transmission media? - A most common kind suitable for both voice and data transmission - Categories are determined by chain quality - Cat 3 c
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