What are some best practices for securing a network environment?
Some best practices for securing a network environment include implementing strong passwords, regularly updating software and firmware, using firewalls and antivirus software, enabling encryption, and conducting regular security audits.
How can you troubleshoot network connectivity issues?
Troubleshooting network connectivity issues involves steps such as checking physical connections, verifying IP configurations, diagnosing DNS issues, testing network ports, and using network monitoring tools to investigate network traffic.
What is the difference between a LAN and a WAN?
A LAN (Local Area Network) refers to a network confined to a small geographic area, like an office building, while a WAN (Wide Area Network) connects multiple LANs over a larger geographic area, such as connecting branch offices across different cities.
What is the purpose of VLANs in network administration?
VLANs (Virtual Local Area Networks) are used to logically segment a physical network into separate virtual networks, allowing for better network traffic management, improved security, and easier network administration.
How do you ensure high network availability in an IT infrastructure?
To ensure high network availability, network administrators implement redundancy by using technologies like link aggregation, failover mechanisms, redundant power supplies, backup generators, and regular maintenance and monitoring to identify and fix issues proactively.
How can you protect a network from external threats like hackers and malware?
Network protection from external threats involves measures such as implementing firewalls, intrusion detection and prevention systems, antivirus software, content filtering, implementing strong access controls, conducting regular security audits, and educating users about safe computing practices.