The first computer networks contained only computers from the same manufacturer because of incompatibilities between the vendors. For example, enterprise networks ran either a DECnet solution or an IBM solution, but not both. The International Organization for Standardization (ISO) decided to overcome this problem by creating a unified reference framework model, the Open Systems Interconnection […]

As information security threats are exploding, the network security certifications are getting more and more attention and demand. The Cisco CCNA Security Certification is an excellent choice for a starting network professional since enterprises started to seek professionals with security skills. The Cisco CCNA security leads also to two other popular and hot certifications, the […]

If you are preparing for your CCNA certification then you might have been in the dilemma which path you should take for becoming a Cisco CCNA certified professional. As we know, Cisco is offering two “routes” for obtaining a CCNA. NOTE: As of 2020, there are new Cisco certifications as explained here. The “quick route” […]

Cisco Certifications are among the most recognised in the network professional industry and provide a solid foundation for enhancing your job career. Just to get an idea, a Cisco CCIE certified in the US gets an average salary of $110,000 per year. Cisco has divided its certification areas to General Certifications and Specialist Certifications. The […]