CCNA

What is AAA? AAA is the abbreviation for Authentication, Authorization and Accounting terms. This mechanims provide security and some user specific steps for a user that access to the Enterprise 
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Internet Control Message Protocol is a Layer 3 Protocol. In IP networks, devices send ICMP encapsulated in IP packet. The general role of ICMP Protocol is generate error packets about 
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MVRP Overview MVRP (Multiple VLAN Registration Protocol) is the counterpart protocol of Cisco VTP and GVRP (GARP VLAN Registration Protocol). It is the last standard VLAN Registration Protocol, so it 
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IP Sec VPN provides a Private and Secure IP communication over a Public Network Infrastructure. With this technology, different sites or users in different geographical areas can communicate over a 
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Simple Network Management Protocol (SNMP) is the main protocol of Network Management. With SNMP, network devices are easily managed and conttolled by a central mechanism. It is an application protocol 
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