View my verified achievement from @learningatcisco. credly.com/badges/1fcf1bca-c… via @credly @grndmaster_ Thank you so much
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Ekiti, Edo, Delta, and Ondo has been plunged into a major blackout since October 19, Monday. Because of BEDC strike and nobody is talking about it.
All These IPs in SAME SUBNET??? | Subnetting Made Easy!
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#network #cisco #ccna
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Configured NAT/PAT on a Cisco Router, 2 PCs,1 public IP. Every device inside gets translated and shares the same outside address, just on different ports.
What is the BROADCAST Address? | Subnetting Made Easy!
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#network #cisco #ccna
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A host is configured with the IP address 192.168.20.78 and a subnet mask of 255.255.255.192 (/26).
What is the network ID for this host?
A. 192.168.20.0
B. 192.168.20.128
C. 192.168.20.77
D. 192.168.20.64
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VLAN 10 + VLAN 20 → One Trunk Link
Access Port → 802.1Q Tag Added → Trunk
Tagged Frame → SW2 → VLAN Tag Read
Tag Removed → Correct Port → Destination
802.1Q Trunking → Multiple VLANs over One Link
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Literally the best channels to learn programming in 2026 and beyond
Any you'd like to add ?
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Network topology is the physical and logical arrangement of devices and connections in a computer network. It acts as a map or blueprint that shows how devices (nodes) like computers and routers connect and how data moves between them.
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Ping vs. Traceroute: Quick Cheat Sheet
Ping: Checks if a host is reachable, measures basic latency, and tracks packet loss.
Traceroute: Maps the full path hop-by-hop to pinpoint where delays or drops happen.
Rule of thumb: Use Ping to see if it works; use Traceroute to see where it breaks.
Save this for quick network troubleshooting!




















