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What is the primary purpose of a firewall in computer security?
- a)To detect viruses
- b)To prevent unauthorized access
- c)To encrypt data
- d)To create backup copies of files
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
What is the primary purpose of a firewall in computer security?a)To de...
Firewalls are designed to prevent unauthorized access to a computer or network by controlling incoming and outgoing traffic and blocking potentially harmful data.
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What is the primary purpose of a firewall in computer security?a)To de...
Preventing Unauthorized Access:
Firewalls are an essential component of computer security as they serve the primary purpose of preventing unauthorized access to a network or system. Firewalls act as a barrier between a trusted internal network and untrusted external networks, such as the internet, by monitoring and controlling incoming and outgoing network traffic.
How Firewalls Work:
Firewalls work by examining data packets as they pass through the network and applying a set of predefined rules to determine whether the packets should be allowed to pass through or not. By enforcing access control policies, firewalls help to block malicious traffic, such as hackers or malware, from infiltrating the network.
Types of Firewalls:
There are several types of firewalls, including network firewalls, which are placed at the perimeter of a network, and host-based firewalls, which are installed on individual computers or devices. Additionally, there are hardware and software firewalls, each with their own set of features and benefits.
Importance of Firewalls:
Firewalls play a crucial role in maintaining the security and integrity of a network by reducing the risk of unauthorized access and potential security breaches. By implementing a firewall, organizations can establish a secure perimeter around their network and control the flow of traffic to protect sensitive data and resources.
In conclusion, the primary purpose of a firewall in computer security is to prevent unauthorized access to a network or system by monitoring and controlling network traffic. Firewalls are an essential tool in the cybersecurity arsenal of organizations, helping to safeguard against external threats and maintain the confidentiality, integrity, and availability of data.
Firewalls are an essential component of computer security as they serve the primary purpose of preventing unauthorized access to a network or system. Firewalls act as a barrier between a trusted internal network and untrusted external networks, such as the internet, by monitoring and controlling incoming and outgoing network traffic.
How Firewalls Work:
Firewalls work by examining data packets as they pass through the network and applying a set of predefined rules to determine whether the packets should be allowed to pass through or not. By enforcing access control policies, firewalls help to block malicious traffic, such as hackers or malware, from infiltrating the network.
Types of Firewalls:
There are several types of firewalls, including network firewalls, which are placed at the perimeter of a network, and host-based firewalls, which are installed on individual computers or devices. Additionally, there are hardware and software firewalls, each with their own set of features and benefits.
Importance of Firewalls:
Firewalls play a crucial role in maintaining the security and integrity of a network by reducing the risk of unauthorized access and potential security breaches. By implementing a firewall, organizations can establish a secure perimeter around their network and control the flow of traffic to protect sensitive data and resources.
In conclusion, the primary purpose of a firewall in computer security is to prevent unauthorized access to a network or system by monitoring and controlling network traffic. Firewalls are an essential tool in the cybersecurity arsenal of organizations, helping to safeguard against external threats and maintain the confidentiality, integrity, and availability of data.
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What is the primary purpose of a firewall in computer security?a)To detect virusesb)To prevent unauthorized accessc)To encrypt datad)To create backup copies of filesCorrect answer is option 'B'. Can you explain this answer?
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