Fault Tolerance in Reliable Networks
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Questions and Answers

What are some examples of external threats in network security?

Viruses, worms, Trojan horses, spyware, adware, zero-day attacks, threat actor attacks, denial of service attacks, data interception and theft, identity theft.

List some examples of internal threats in network security.

Lost or stolen devices, accidental misuse by employees, malicious employees.

What are some network security components recommended for home or small office networks?

Antivirus and antispyware software, firewall filtering.

What additional security solutions are recommended for larger networks?

<p>Dedicated firewall system, access control lists (ACL), intrusion prevention systems (IPS), virtual private networks (VPN) security.</p> Signup and view all the answers

Why is it important to implement security in multiple layers?

<p>To provide a more comprehensive defense against various types of threats.</p> Signup and view all the answers

What is the significance of understanding the underlying switching and routing infrastructure in network security?

<p>It forms the basis for implementing effective network security measures.</p> Signup and view all the answers

Define Denial of Service (DoS) attacks.

<p>Attacks that aim to disrupt the normal functioning of a network by overwhelming it with excessive traffic.</p> Signup and view all the answers

What is the purpose of Intrusion Prevention Systems (IPS) in network security?

<p>To proactively identify and block potential security threats before they reach the network.</p> Signup and view all the answers

Explain the concept of Identity Theft in the context of network security.

<p>It involves the unauthorized use of someone else's personal information for fraudulent purposes.</p> Signup and view all the answers

How can network security help in preventing data interception and theft?

<p>By implementing encryption protocols and access controls.</p> Signup and view all the answers

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