Answer:
c. sudo grep "charlie" /var/log/vsftpd.log
Explanation:
- sudo is used to access /var/log files since it requires superuser access
- grep command is used to search for a string of characters in a specified file
- "charlie" is the string searched in the log files
- /var/log/ is where the log files are in linux systems
Answer: B
Explanation: The extensible authentication protocol (EAP) is a framework that is used to transport authentication protocols.
Answer:
Internet Protocol refers to a set of rules that govern how data packets are transmitted over a network. Internet protocol describes how data packets move through a network. Its important to have agreed upon protocols because Computers make use of protocols as well, to enable them to communicate. Devices need to communicate. When two devices want to successfully communicate, they must agree to follow some rules about the way they will do it.
Answer: option d is correct
Explanation:
It improves quality and efficiency of computer systems. They can have part to whole relations, extrapolations, or predictions.
The answer is A.
