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What is Proxy Sever and Firewall
Proxy Sever
Also known as a proxy or application level gateway. It is an application that breaks the connection among sender and receiver. Thus, it helps us to stop hacker from getting Internet address and detail of a private network.
Firewall
Firewall is a method for keeping a network secure. It is mainly used in giving user's access to the Internet in a secure fashion as well as to separate a company's public web server from its internal network.
What is the disadvantage of a star topology? One major drawbacks of star topology is that once the central hub or switch get damaged, the whole network becomes unusable.
Verify VLANs and trunking. Use the show ip interface trunk command on S1 and the show vlan command on S2 to determine that the switches are trunking correctly and the proper VL
One of the key roles of a System/Network Administrator is to monitor log files. This usually requires helper scripts (i.e. Perl programs) so a summary of large log files can be qui
What is Proxy ARP? Is using a router to give answer ARP requests. This will be completed when the originating host believes that a destination is local, when in fact is lies be
how to own cipher to encrypt and decrypt message by combine both substitution ans transposition algorithm using c program
By entering a 16 as the hop count, the other routers recognize that the destination is unreachable.
Question 1 What does the SNMP access policy represent? Question 2 Does there exist any formal functional specification for SNMPv1 management? Question 3 In the con
Question 1 Discuss the architecture of new generation networks. Question 2 Explain the functioning of datagram packet switching and virtual circuit packet switching Quest
Q. Error Correction in Burst Error Correction? Error Correction-Burst Error Correction In its place of sending all the bits in a data unit together we can organize "N
Convergence time is slower for Distant Vector routing and is faster for Link State routing.
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