2.6 - VLANs and VPNs

Question 1

LANs

Answer 1

• Local Area Networks
• A group of devices in the same broadcast domain

Question 2

Virtual LANs

Answer 2

• Virtual Local Area Networks
• A group of devices in the same broadcast domain
• Separated logically instead of physically

Question 3

Configuring VLANs

Answer 3

• Virtual Local Area Networks
  – A group of devices in
  the same broadcast domain

Question 4

VPNs

Answer 4

• Virtual Private Networks
  – Encrypted (private) data traversing a public network
• Concentrator
  – Encryption/decryption access device
  – Often integrated into a firewall
• Many deployment options
  – Specialized cryptographic hardware
  – Software-based options available
• Used with client software
  – Sometimes built into the OS

Question 5

Client-to-Site VPNs

Answer 5

• On-demand access from a remote device
  – Software connects to a VPN concentrator
• Some software can be configured as always-on