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WAN protocols HDLC PPP Frame Really NAT PAT WANs are most often charge-for-service networks, providing the means for users to access re...

Understanding the cisco's three-layer Hierarchical Model Understanding the CISCO Three-Layer...

Ping Command Works Ping Verifies IP-level connectivity to another TCP/IP computer by sending Internet Control...

As you know that social media plays the important roles for getting more engagement with our readers and visitors. Social media’s li...

Networking basics- TCP, UDP, TCP/IP & OSI Model Networking Basics :             TCP, UDP, TCP/IP and OSI Model ...

CCNA Study Guide  CCNA 640-802 Study Guide Tutorial Quick Links: Cisco Hierarchical Model OSI Model LAN Design Network Devices B...

1 AP         Access point. 2 ARP Address Resolution Protocol. 3 ASCII American Standard Code for Information interchange. 4 ATM ...

What is WAN WAN is used to connect two or more networks over a long distance. The first thing we can distinguish between LAN (l...

ICMP errors Notable control messages Type Code Status Description 0 Echo Reply 0 Echo reply (used to p...