Ch 3.2 Flashcards
What’s a Hub? What OSI model does it operate at?
Acts like a multiport repeater. Lvl 1
What layer does a hub work at?
Physical
Are hubs half or full duplex?
Half Duplex
What layer does a bridge work at?
Data Link Lvl 2
What does a bridge accomplish compared to a hub?
Splits hubs out to assist with collision domains
What does a bridge do when it receives a frame it doesn’t know the address of?
Floods the frame to all segments to figure it out
How are switches and domain collisions related?
Each switch port acts as a separate collision domain
What is microsegmentation in a switch?
Establishes a full duplex link between any 2 network nodes
Are switches usually managed in a corporate setting?
Yes
What does it mean when a switch is modular?
Has slots for plug-in cards adding ports
What is one way to establish a connection with a switch’s management interface?
Through the CLI
Cisco IOS
What is User EXEC mode?
How is it indicated?
Read only mode for basic troubleshooting
Indicated by the > prompt
Cisco IOS
What is Privileged EXEC mode?
How is it indicated?
Allows user to report configuration, reboot, backup, and restore
Indicated by the # prompt
Cisco IOS
What is Global configuration mode?
How is it indicated?
How is it activated?
Allows user to write configuration updates
Indicated by the (config)# prompt
Activated by the “configure terminal” command in privileged mode
Cisco IOS
shutdown
no shutdown
shutdown disables the interface
no shutdown enables the interface
Cisco IOS
What are speed and duplex set to normally?
auto
Cisco IOS
switchport
configures switching mode characteristics.
