Troubleshooting general networking issues - CompTIA Network+ N10-008 Domain 5.10
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• Considerations
Device configuration review
Routing tables
Interface status
VLAN assignment
Network performance baselines
• Common issues
Collisions
Broadcast storm
Duplicate MAC address
Duplicate IP address
Multicast flooding
Asymmetrical routing
Switching loops
Routing loops
Rogue DHCP server
DHCP scope exhaustion
IP setting issues
Incorrect gateway
Incorrect subnet mask
Incorrect IP address
Incorrect DNS
Missing route
Low optical link budget
Certificate issues
Hardware failure
Host-based/network-
based firewall settings
Blocked services, ports, or addresses
Incorrect VLAN
DNS issues
NTP issues
BYOD challenges
Licensed feature issues
Network performance issues
This channel exists to assist students in studying. This channel does not guarantee you will pass the exam. It is an informational channel made to amplify your knowledge and may also include outdated information and does not guarantee in its accuracy.
