What are Access Control Lists (ACLs) and how do they enhance network security by controlling traffic flow based on defined rules?
Access Control Lists (ACLs) are a fundamental component of network security that plays a important role in controlling and regulating the flow of network traffic. ACLs are essentially a set of rules or configurations that determine which network packets are allowed to flow through a network device and which are denied. By using ACLs, network
- Published in Cybersecurity, EITC/IS/CNF Computer Networking Fundamentals, Access Control Lists, Understanding Access Control Lists, Examination review
Are switches and hubs the same devices?
Switches and hubs are not the same devices in the field of computer networking. While both switches and hubs are used to connect devices within a network, they differ in functionality and the way they handle network traffic. Understanding the differences between switches and hubs is important in the field of cybersecurity as it can
- Published in Cybersecurity, EITC/IS/CNF Computer Networking Fundamentals, Switching, How switching works
Explain the difference between DNS load balancing and HTTP load balancing.
DNS load balancing and HTTP load balancing are two distinct methods used in web applications to distribute incoming network traffic across multiple servers. While both techniques aim to improve the performance, scalability, and availability of web applications, they operate at different layers of the network stack and serve different purposes. DNS load balancing operates at
Why would you choose to use a stub zone instead of a secondary zone in DNS?
A stub zone is a type of DNS zone that contains only a subset of the resource records (RRs) found in the authoritative zone. It serves as a pointer to the authoritative DNS servers for the zone. In contrast, a secondary zone is a complete copy of the authoritative zone. When deciding whether to use
- Published in Cybersecurity, EITC/IS/WSA Windows Server Administration, Configuring DHCP and DNS Zones in Windows Server, DNS Zones in Windows Server, Examination review
What is the purpose of the input chain in IP tables?
The purpose of the input chain in IP tables is to control incoming network traffic to a Linux system. IP tables is a powerful firewall tool used in Linux systems to filter and manipulate network packets. It provides a flexible framework for defining rules that govern the flow of network traffic, allowing administrators to enforce
- Published in Cybersecurity, EITC/IS/CSSF Computer Systems Security Fundamentals, Security vulnerabilities damage mitigation in computer systems, Linux containers, Examination review