Computer network security pdf for bca

  • What is computer network security in BCA?

    Network Security refers to the measures taken by any enterprise or organization to secure its computer network and data using both hardware and software systems.
    This aims at securing the confidentiality and accessibility of the data and network..

  • What is computer networking BCA?

    A computer network is a system that connects numerous independent computers in order to share information (data) and resources.
    The integration of computers and other different devices allows users to communicate more easily..

  • Types of Network Security Protections

    Firewall.
    Firewalls control incoming and outgoing traffic on networks, with predetermined security rules. Network Segmentation. Remote Access VPN. Email Security. Data Loss Prevention (DLP) Intrusion Prevention Systems (IPS) Sandboxing. Hyperscale Network Security.
  • A computer network is a system that connects numerous independent computers in order to share information (data) and resources.
    The integration of computers and other different devices allows users to communicate more easily.
  • How does network security work? Network security combines multiple layers of defenses at the edge and in the network.
    Each network security layer implements policies and controls.
    Authorized users gain access to network resources, but malicious actors are blocked from carrying out exploits and threats.
Answer: Firewall is a software or hardware device that protects your computer from being attacked over the internet by hackers, viruses, 
B believes that the message comes from person A and encrypts the message with the attackers public key, sends it back to A, but attacker again intercepts this 

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