Security Monitoring

Question 1

Supplicant

Answer 1

Software needed by the client to communicated with NAC controls.

Question 2

NAC Authenticator

Answer 2

802.1x switch or wireless controller

Question 3

Back-end Authentication server

Answer 3

Central server that performs all authentication on the network. RADIUS

Question 4

NAC

Answer 4

Network Access Control

Question 5

Framework for NAC

Answer 5

802.1x

Question 6

List steps for 802.1x authentication

Answer 6

1. Supplicant provides creds to authenticator
2. Authenticator forwards creds to authentication server
3. Authenticator verifies creds
4. If creds are valid, Auth server sends RADIUS Accept Message back to authenticator.
5. Authenticator allows devices to connect and use network.

Question 7

3 Forms of Posture Checking

Answer 7

1. Persistent Agent is installed
2. Dissolvable Agent is installed then removed
3. Agentless (uses network traffic)

Question 8

Roles of NAC

Answer 8

1. Network access
2. Role-based access
3. Posture checking

Question 9

Role-Based Access

Answer 9

Depending on supplicant role, they will be placed on one VLAN or another for different levels of access.

Question 10

Posture checking

Answer 10

Does client meet requirements?:
AV
Patches
Firewall