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The Spanning Tree Protocol (STP): The Spanning Tree Protocol (STP) is a network protocol that ensures a loop-free topology for any bridged Ethernet local area network. The...

What is a VLAN? According to IT Portal (2002), a Virtual Local Area Network (VLAN) may be defined as a group of LANs that have different physical...

Cisco CCNP Certification Exams Training Materials It is well known that Cisco CCNP certification training is experiencing a great demand in IT industry area. In recent years,...