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D3- Chapter 3

QuestionAnswer
STP Spanning Tree Protocol (50 secs)
CAM Content Addressable Memory
ASIC Application-Specific Integrated Circuit
BPDU Bridge Protocol Data Units
VTP VLAN Trunking Protocol
PVST Per-VLAN Spanning Tree
RSTP Rapid Spanning Tree Protocol (less than 1 sec)
TPID Tag Protocol Identifier (0x8100) (4 Bytes)
VID VLAN Identifier (12 bits)
CFI Canonical Format Indicator (1 bit)
BID Bridge Identifier
List the Switching Methods -Store and Forward -Cut-through (fast-forward, fragment-free) -Adaptive Cut-through
4 STP States a switch goes through when powered on 1) Blocking 2) Listening 3) Learning 4) Forwarding *5) Disabled
3 Designated STP ports - Root - Designated - Blocked
3 STP Recalculating Methods - PortFast - UplinkFast - BackBoneFast
3 RSTP States a switch goes through when powered on - Discarding - Learning - Forwarding
What do trunk ports do? Trunk ports carry traffic of multiple VLANS over a single link.
Another name for a switch? Bridge
VTP's do what? (3) - Add VLANs - Delete VLANs - Removed VLANs
Benefits of VLANs for wireless networks (3) - Provides network separation - Provides a layer of Security - Allows guest access to a protected portion of your network.
VTP has 3 modes - Server - Client - Transparent (default = server)
Traffic with no VLAN ID is called ? Untagged
Switch ports can be configured for two different roles - Trunk port - Access port
Most Common Frame Tagging Standard IEEE 802.1Q (abr. dot1q)
When a VLAN is created, it is assigned what two things? 1) Name 2) Number
Default bridge priority value 32,768
Switching loops create what three issues in a network? - Broadcast Storms - Multiple Frame Transmission - Mac Database Instability
6 ways to secure a switch Physically secure the device Use secure passwords Enable SSH access Monitor access and traffic Disable http access Disable unused ports Enable port security Disable Telnet
Created by: Jaylene
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