Cisco

The Cisco category on howtokh.com is your go-to resource for mastering Cisco networking technologies, tools, and certifications. Whether you’re a beginner or an IT professional, this section offers practical guides to help you understand and work with Cisco systems. Start with Cisco basics, including routers, switches, and small network setups. Learn to configure Cisco devices with step-by-step tutorials covering VLANs, firewalls, and advanced routing protocols. Dive into Cisco network security, featuring tools like Firepower, ASA, and Umbrella, plus VPN and access control setups. Explore Cisco certifications, from CCNA to CCIE, with study resources and exam tips. For advanced users, our guides on SD-WAN, Cisco DNA, and network automation offer deeper insights into modern enterprise networking. Regularly updated with tutorials and tech trends, this category helps you gain hands-on skills, stay current with Cisco innovations, and grow your networking expertise.

Session Initiation Protocol (SIP) is a signaling protocol used to initiate, maintain, modify, and terminate real-time communication sessions. These sessions include voice calls, video calls, and…

In today’s interconnected world, remote access to devices and systems is crucial for efficient workflows. RDP (Remote Desktop Protocol) is a powerful tool. It allows users…

In networking, managing and assigning IP addresses efficiently is crucial to ensure seamless communication between devices. DHCP (Dynamic Host Configuration Protocol) simplifies this process by automatically…

The Internet is a vast network of websites, servers, and devices identified by unique IP addresses. However, remembering numerical IP addresses is challenging for humans. This…

In email communication, staying connected across multiple devices is essential. IMAP (Internet Message Access Protocol) is a powerful email protocol. It enables users to manage their…

Email plays a vital role in modern communication, and to manage incoming messages effectively, various protocols are employed. One such protocol is POP3 (Post Office Protocol…