What Do You Know About Computer Firewall?

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Gregorynaomi
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  • 1/10 Questions

    What was a predecessor to the firewall? 

    • Router 
    • Network 
    • SecuredN
    • Location 
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About This Quiz

A computer firewall is a security system that is designed to control network traffic, both incoming and outgoing. The way a firewall works on a computer is to prevent access of an external network to what is available internally and protect its security. What do you know about Computer Firewall? Take our quiz to find out everything!

What Do You Know About Computer Firewall? - Quiz

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  • 2. 
    When was the firewall first used?  - ProProfs

    When was the firewall first used? 

    • 1960s

    • 1970s

    • 1980s

    • 1990s

    Correct Answer
    A. 1980s
    Explanation
    The correct answer is 1980s. In the 1980s, the first firewall was developed and used. A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and an untrusted external network, protecting the internal network from unauthorized access and potential threats. The development and implementation of firewalls in the 1980s marked a significant advancement in network security and became an essential component of modern network infrastructure.

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  • 3. 
    What is the first generation of computer firewalls called?  - ProProfs

    What is the first generation of computer firewalls called? 

    • GUFW

    • Packet filters

    • Router

    • SecuredN

    Correct Answer
    A. Packet filters
    Explanation
    The first generation of computer firewalls is called packet filters. Packet filters examine the headers and contents of network packets to determine whether to allow or block them based on predefined rules. They operate at the network layer of the OSI model and are typically implemented in routers or dedicated firewall devices. GUFW, Router, and SecuredN are not specific terms used to describe the first generation of computer firewalls.

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  • 4. 
    What generation of firewall was the Packet Filters?  - ProProfs

    What generation of firewall was the Packet Filters? 

    • 1st 

    • 2nd 

    • 3rd

    • 4th

    Correct Answer
    A. 1st 
    Explanation
    Packet filters are considered the first generation of firewalls. They operate at the network layer (Layer 3) of the OSI model and examine incoming and outgoing packets based on predetermined rules. These rules determine whether a packet should be allowed or blocked based on criteria such as source and destination IP addresses, port numbers, and protocols. Packet filters are typically implemented using access control lists (ACLs) and are known for their simplicity and efficiency in filtering network traffic.

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  • 5. 
    What does a packet filter inspect during the transfer between computers?  - ProProfs

    What does a packet filter inspect during the transfer between computers? 

    • Packets 

    • Filters 

    • Film 

    • Links 

    Correct Answer
    A. Packets 
    Explanation
    A packet filter inspects packets during the transfer between computers. It examines the contents of each packet, including the source and destination IP addresses, port numbers, and protocol type. This allows the filter to make decisions on whether to allow or block the packet based on predefined rules or policies. By inspecting packets, the filter can help ensure network security by preventing unauthorized access or malicious activity.

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  • 6. 
    What term is used to describe the packet filter silently discarding a packet?  - ProProfs

    What term is used to describe the packet filter silently discarding a packet? 

    • Drop 

    • Linked

    • Filter

    • Reject

    Correct Answer
    A. Drop 
    Explanation
    The term used to describe the packet filter silently discarding a packet is "Drop". When a packet is dropped, it means that the packet is intentionally discarded by the filter without any notification or response to the sender. This can be done for various reasons, such as to enforce security policies or to manage network congestion.

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  • 7. 
    What term is used in describing when a Packet Filter discards a packet and generates an Internet Control Message Protocol notification for the sender?  - ProProfs

    What term is used in describing when a Packet Filter discards a packet and generates an Internet Control Message Protocol notification for the sender? 

    • Drop

    • Linked

    • Filter

    • Reject

    Correct Answer
    A. Reject
    Explanation
    When a Packet Filter discards a packet and generates an Internet Control Message Protocol (ICMP) notification for the sender, this action is referred to as "Reject." It means that the packet is not allowed to pass through the filter and is discarded, while also notifying the sender about the rejection through an ICMP message.

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  • 8. 
    When a packet is not rejected, what act follows? It is allowed to _ - ProProfs

    When a packet is not rejected, what act follows? It is allowed to _

    • Pass

    • Withdraw

    • Access

    • Link

    Correct Answer
    A. Pass
    Explanation
    When a packet is not rejected, it means that it has successfully passed through the filtering process. Therefore, the appropriate action that follows is to allow the packet to continue its intended journey through the network. This is represented by the term "Pass" in the given options.

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  • 9. 
    What address filters a packet?  - ProProfs

    What address filters a packet? 

    • Source

    • Next

    • DNS

    • Link

    Correct Answer
    A. Source
    Explanation
    The source address filters a packet. The source address is the IP address of the device that sent the packet. Filtering packets based on the source address allows network administrators to control which devices are allowed to send or receive data on the network. This can be useful for security purposes, as it helps to prevent unauthorized access or malicious activity.

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  • 10. 
    What port numbers is used alongside a packet filter?  - ProProfs

    What port numbers is used alongside a packet filter? 

    • Destination

    • Troubled

    • DNS

    • AND

    Correct Answer
    A. Destination
    Explanation
    A packet filter is a type of firewall that examines the header information of network packets to determine whether to allow or block them. When a packet filter is used, the destination port number is an important factor in the decision-making process. The destination port number indicates the specific service or application that the packet is intended for. By analyzing the destination port number, the packet filter can determine if the packet should be allowed or blocked based on predefined rules and policies. Therefore, the correct answer is "Destination" as it is a port number used alongside a packet filter to make filtering decisions.

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Quiz Review Timeline (Updated): Mar 15, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 15, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 15, 2019
    Quiz Created by
    Gregorynaomi

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