Which of the following is a process of monitoring data packets that travel across a network?
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A. B. C. D.B.
The correct answer is B. Packet sniffing.
Packet sniffing is a technique used to monitor and capture data packets that travel across a network. This process is also known as network sniffing, packet capturing, or protocol analysis.
Packet sniffing can be used for various purposes, such as network troubleshooting, security analysis, or monitoring network activity. However, it can also be used for malicious purposes, such as stealing sensitive information or passwords.
Packet sniffers work by intercepting and analyzing network traffic. They can capture packets that are being transmitted over the network and display the contents of the packets. This allows network administrators or security professionals to analyze the traffic and identify any issues or security threats.
Packet filtering, on the other hand, is a process of selectively allowing or blocking packets based on certain criteria, such as source or destination IP addresses, port numbers, or protocols. This process is often used to control access to a network or to filter out unwanted traffic.
Shielding, in the context of information security, refers to the use of protective measures to prevent unauthorized access or damage to sensitive information. This can include physical security measures, such as locks or access controls, as well as technical security measures, such as firewalls or encryption.
Password guessing, also known as brute-force password cracking, is a process of attempting to guess a user's password by systematically trying different combinations of characters. This is often used by attackers to gain unauthorized access to a system or network.