### Analyzing the Question
The question is asking for the primary use of a firewall among the provided options.

### Reviewing Options
1. **Data Transmission:** This refers to transferring data between devices and does not specifically relate to firewalls.
2. **Network Security:** This involves protecting the integrity, confidentiality, and accessibility of computer networks and data. Firewalls play a critical role in this by controlling incoming and outgoing network traffic based on predetermined security rules.
3. **Authentication:** While firewalls can help with authentication processes through various protocols, their primary purpose is not solely focused on this function.
4. **Streaming:** This pertains to the real-time transmission of data, typically multimedia content, which is not directly related to the main function of a firewall.

### Conclusion
The most accurate option concerning the use of a firewall is **b. Network Security**, as firewalls are primarily designed to protect networks from unauthorized access and threats.

Question

### Analyzing the Question
The question is asking for the primary use of a firewall among the provided options.

### Reviewing Options 
1. **Data Transmission:** This refers to transferring data between devices and does not specifically relate to firewalls.
2. **Network Security:** This involves protecting the integrity, confidentiality, and accessibility of computer networks and data. Firewalls play a critical role in this by controlling incoming and outgoing network traffic based on predetermined security rules.
3. **Authentication:** While firewalls can help with authentication processes through various protocols, their primary purpose is not solely focused on this function.
4. **Streaming:** This pertains to the real-time transmission of data, typically multimedia content, which is not directly related to the main function of a firewall.

### Conclusion
The most accurate option concerning the use of a firewall is **b. Network Security**, as firewalls are primarily designed to protect networks from unauthorized access and threats.

Knowee AI · Accepted Answer

### Analyzing the Question
The question is asking for the primary use of a firewall among the provided options.

### Reviewing Options 
1. **Data Transmission:** This refers to transferring data between devices and does not specifically relate to firewalls.
2. **Network Security:** This involves protecting the integrity, confidentiality, and accessibility of computer networks and data. Firewalls play a critical role in this by controlling incoming and outgoing network traffic based on predetermined security rules.
3. **Authentication:** While firewalls can help with authentication processes through various protocols, their primary purpose is not solely focused on this function.
4. **Streaming:** This pertains to the real-time transmission of data, typically multimedia content, which is not directly related to the main function of a firewall.

### Conclusion
The most accurate option concerning the use of a firewall is **b. Network Security**, as firewalls are primarily designed to protect networks from unauthorized access and threats.

What is the use of Firewall?Select one:a.Data Transmissionb.Network Securityc.Authenticationd.Streaming

Question

What is the use of Firewall?

Solution

Analyzing the Question

Reviewing Options

Conclusion

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