What is the difference between a network's physical topology and its logical topology?
What will be an ideal response?
The physical topology of a network refers to the way that all devices are physically connected. It takes into account the way that the computers are cabled together and whether they have a central connecting device or not. The logical topology of a network refers to the way that the signals travel from one network device to another. Although all the devices may appear to pass data in certain direction, the actual path the data takes may be different-often it depends on the interconnecting device such as a hub or switch.
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A network technician has set up an FTP server for the company to distribute software updates for their products. Each vendor is provided with a unique username and password for security. Several vendors have discovered a virus in one of the security updates. The company tested all files before uploading them but retested the file and found the virus. Which of the following could the technician do for vendors to validate the proper security patch?
A. Use TFTP for tested and secure downloads B. Require biometric authentication for patch updates C. Provide an MD5 hash for each file D. Implement a RADIUS authentication
Describe a dictionary attack.
What will be an ideal response?