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UCT Block 5

Terms in this set (19)

Hub
Transfers data to every port (Layer 1)
Switch
Builds address tables to ports (Layer 2)
Router
Maintain the routing table (Layer 3)
Trunk
Carries multiple signals simultaneously
Trunking Modes
Access, Trunk, Dynamic Desirable, Dynamic Auto, Non-negotiable
DTP
Determines access/trunk mode, trunking protocol, and negotiates trunk links
Trunking Standards
ISL, 802.1Q
Cisco Networking Layers
Access, Distribution, Core
Access Layer
Supply traffic to network, control network entry, and provide access to end devices
Distribution Layer
Sets traffic policy and provides redundancy
Core Layer
Packet switching and reliability
Ethernet transmission categories
Unicast, Broadcast, Multicast
Switch address learning process
Get frame from port, assign MAC address to port, forward frame to ports without MAC address
Layer 2 switch functional concepts
Address Learning, Forward/Filter decisions, Loop Avoidance
VLAN networking features
Segmentation, Flexibility, Security
STP benefits
Solves: Broadcast storms, MAC table instability, multiple frame transmissions
STP max layers
7
Convergence
Time required to complete STP after topology change
Etherchannel
Makes parallel links act as one segment (layer 2)
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