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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.
What are the issues there in network environment Some of the issues necessary are: Network planning should be carried out covering the following important issues:
Connecting Devices of bridges - Five kinds: - Repeaters - Hubs - Bridges - Two- and three-layer switches - Repeaters and hubs - layer one of Internet model -
Explain about the Gopher The ghoper is a protocol designed to search, retrieve and display documents from remote sites on the Internet. The Ghoper was formed as a piece of sof
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 wit
Questions: 1. A 5V Zener diode has a maximum power dissipation of 2W. What is the maximum current that can be safely passed through the device? 2. List three properties of a
Q. Explain the Types of Security Service? Security Services fall into one of the subsequent categories - Confidentiality: Confirms that the info in a system and transm
Configure the management interface address on all three switches. S1(config)#interface vlan1 S1(config-if)#ip address 172.17.10.1 255.255.255.0 S1(config-if)#no shutdown
What are the responsibilities of Application Layer? The Application Layer enables the user, whether human or software, to access the network. It gives user interfaces and suppo
What is Round Trip Time? The duration of time it takes to send a message from one end of a network to the other and back, is known as RTT.
State the term - NetBIOS and IMAP NetBIOS: Network Basic Input Output System is an API (applications programming interface) used with other programs to transmit messages betwee
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