Switch Basics
What component of a switch stores the operating system (OS)?
Flash Memory
What switching method checks the first 64 bytes of a frame for fragmentation?
Fragment-Free
A VLAN is a logical grouping of devices into a single ______ domain.
Broadcast
Command to create VLAN 10.
vlan 10
What does STIG stand for?
Security Technical Implementation Guide
What is the unique identifier a switch uses to forward frames?
What layer does this happen at?
MAC Address
Layer 2 / Data Link Layer
What protocol used to prevent loops in a Layer 2 network?
Spanning Tree Protocol (STP)
VLANs improve security by limiting traffic to devices in the same ______.
VLAN
Command to assign an access port to VLAN 10.
switchport access vlan 10
Unused switch ports should be assigned to this for security.
Dead VLAN or Inactive VLAN
Each port on a switch is its own ______ domain.
Collision
What is the proprietary protocol that shares information between directly connected devices?
Cisco Discovery Protocol (CDP)
This type of port carries traffic for multiple VLANs.
Trunk Port
Command to set a trunk port to use 802.1Q encapsulation.
switchport trunk encapsulation dot1q
What protocol is recommended over Telnet for secure remote access?
SSH (Secure Shell)
This port on a switch allows direct local configuration using a rollover cable.
Console Port
What is the IEEE standard for VLAN trunking?
802.1Q
What VLAN should not used for management (e.g., Telnet, SNMP)?
VLAN 1
Command to display VLAN assignments on a switch.
show vlan
This command encrypts all plaintext passwords in the configuration.
service password-encryption
What is the default VLAN on switches?
You are supposed to change the default VLAN. (T/F)
VLAN 1
True
What switching method forwards frames after checking the entire frame for errors?
Store-and-Forward
VLANs break up a network geographically by grouping devices based on this.
VLANs use functions or departments (ex. Sales, HR, etc.)
Command to configure a port as a trunk.
switchport mode trunk
What proprietary Cisco trunking protocol adds a header and trailer to frames, unlike 802.1Q?
ISL (Inter-Switch Link)