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Determine the method to protect the Web servers
The company should install additional levels of security measures since it is possible for hackers to generate and send data with headers of the data looking like those sent from authorised users. Difficulties start when the hackers or attackers obtain information regarding the server, certain hosts and subnets of the Intranet.
The best method to protect the Web servers or Intranet servers is to use application gateways or simply "proxies". These gateways act as intermediaries between users' systems and external systems and handle identification or authentication at a higher level than at hardware level. Every request, whether from outside or from within the Intranet system, would first be received by the proxy server, which scrutinizes the requests and prevents the undesirable and unknown ones.
What are major types of networks and explain? Server-based network: Give centralized control of network resources and depend on server computers to give security and network
Routers The network layer (also called layer3) manages device addressing tracks the location of devices on the network and determines the best way to move data. Which
What are the key benefits of layered network? Main advantages of layered network are given below: a) Complex systems can be split into understandable subsystems. b) Any f
- Lost as well as delayed ACKs - Bidirectional transmission both side needs both sending and receiving windows Note: In selective repeat ARQ the size of the sender and rece
Efficiency of a data communications system depends on three fundamental characteristics - Delivery: The system should deliver data to the correct destination. Data should be r
advantage og stored program control automation
Priority and Reservation Higher priority stations may possibly access the token sooner Each station has a priority code Since token passes by station waiting to t
What is redirector? Redirector is software that intercepts file or prints I/O requests and changes them into network requests. This comes under presentation layer.
By utilizing measurements of the so-called pseudo range between an object and each of several earth orbiting GPS satellites, the object can be very accurately located in space. A g
What are Stored procedures? A stored procedure is s named collection of SQL statements and procedural logic that is compiled, verified and kept in a server database. It is typi
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