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Which intermediary devices could be used to implement security between networks?

Security between networks is implemented in an intermediary device (a router or firewall appliance) at the perimeter of the network. The firewall function performed by this device permits only known, trusted data to access the network.


What network device will prevent port scans?

A firewall


Which type of IP address is configured by a server when a device first initiates a connection to the network?

dynamic


Which type of IP address is configured by a server when a device first initiates a connections to network?

dynamic


What is a single host?

a firewall device with only one network interface


What is a single-homed bastion host?

a firewall device with only one network interface


What is a single homed bastion host?

a firewall device with only one network interface


A network technician must reduce the amount of broadcast traffic on the network while maintaining full connectivity between all different network segments Which device should the administrator deploy?

This device is called a ROUTER. Routers are by default configured to not pass the broadcast traffic to another networks to which it connects. But by some means it could be also a SWITCH - sometimes it can be configured to filter different type of network traffic.


Are self-contained hardware devices with firewall functionality that you can add a network?

Routers usually, if not always, include a firewall. This is the only device I know of.


A hardware device with software that is used to detect unauthorized activity on your network?

A Firewall can fit that description.


What does firewall software do?

The firewall controls what programs can access the internet and what programs from the internet can access the computer what is a firewall ?How does it work? http://computer.howstuffworks.com/computer-internet-security-channel.htm Is a security program which protects your computer from unauthorized access through the Internet. It resides on your PC and filters traffic coming and going from your computer http://www.Microsoft.com/protect/computer/firewall/faq.mspx


In the network device what is a firewall?

Computer firewall is a security software which acts as a barrier and protects the system from black-hat intrusion attempts. Firewalls also block communication attempts into or out of your computer; certain types of malware or software bots that attempt to send or receive data messages will be blocked. A firewall program is your computers perimeter fence, designed to keep bad guys out, and to prevent data passing into/out of your computer. Firewalls are configured in software and hardware devices with specific criteria to block or prevent unauthorized access. It has the packet filtering mechanism which checks for the packets that contain data, prevents or blocks it depending upon the rules programmed in it. Reference source: personalfirewall.comodo.com