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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.
Networking Concepts Q1 What are the main features of TCP connections? Why is it said that TCP provides full-duplex service? Q2 What are the differences between TCP conne
Recalling two FEC schemes for internet phone described. Suppose the first scheme generates a redundant chunk for every four original chunks. Suppose the second scheme uses a low-ra
What are the Internal Threats Internal security problems are probably the most common. One never knows what someone is going to do. Even the most loyal employees or workers can
Recognize the hardware component used to store buffers, tables, running-configuration etc? Ans) RAM is the dynamic memory area. ROM have the boot strap code, NVRAM have the star
What is SMTP? SMTP is short for Simple Mail Transfer Protocol. This protocol deals with all internal mail, and gives the essential mail delivery services on the TCP/IP protocol
What is OSI and what role does it play in computer networks? OSI (Open Systems Interconnect) serves as a reference model for data communication. It is made up of 7 layers, with
When a P is returned when a Trace is run, it means the Protocol is unreachable.
What is client/server? Client/server is a type of network wherein one or more computers act as servers. Servers give a centralized repository of resources like printers and fil
QUESTION (a) Name two properties of an agent (b) List the three characteristics used to classify agents according to the Nwana Taxonomy (c) Agent environments can be clas
GRP uses a composite metric complete up of bandwidth and delay by default, it updates each 60 Seconds and will trigger an update if the topology changes.
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