ACCESS CONTROL

Question 1

In a RADIUS-based Wi-Fi authentication scenario, what protocol is used for secure authentication?

Accepted Answer

EAP-TLS

Question 2

Which of the following is an advantage of RBAC?

Accepted Answer

Enforces the principle of least privilege

Question 3

What is the role of a Network Access Server (NAS) in RADIUS architecture?

Accepted Answer

To forward authentication requests to the RADIUS server

Question 4

What is the purpose of the RADIUS attribute Acct-Status-Type?

Accepted Answer

To indicate accounting events (e.g., Start, Stop)

Question 5

Which protocol separates authentication, authorization, and accounting into distinct processes?

Accepted Answer

TACACS+

Question 6

Which protocol is more suitable for Wi-Fi authentication in an enterprise network?

Accepted Answer

RADIUS

Question 7

What is the primary purpose of the AAA model in cybersecurity?

Accepted Answer

To control access, enforce policies, and audit usage

Question 8

Which RADIUS response indicates that additional information is required for authentication?

Accepted Answer

Access-Challenge

Question 9

What is a key benefit of using LDAP for authentication?

Accepted Answer

It simplifies centralized user management

Question 10

Which of the following is a key feature of TACACS+?

Accepted Answer

Granular command authorization

Question 11

In a hospital system using RBAC, who would likely have access to update patient vitals?

Accepted Answer

Nurses

Question 12

Which transport protocol does RADIUS use?

Accepted Answer

UDP

Question 13

In Role-Based Access Control (RBAC), permissions are assigned to:

Accepted Answer

Roles, which are then assigned to users

Question 14

What is a common use case for RADIUS in an ISP environment?

Accepted Answer

Authenticating dial-up or broadband users

Question 15

What does the "Accounting" component of the AAA model primarily focus on?

Accepted Answer

Tracking user activities for audit purposes

Question 16

Which of the following is a Cisco-proprietary protocol?

Accepted Answer

TACACS+

Question 17

Which RADIUS packet is sent when a user attempts to access a network resource?

Accepted Answer

Access-Request

Question 18

What does the RADIUS attribute "Service-Type" specify?

Accepted Answer

The type of service requested (e.g., Framed, Login)

Question 19

What is a common open-source RADIUS server implementation?

Accepted Answer

FreeRADIUS

Question 20

Which RADIUS attribute identifies the user in an Access-Request packet?

Accepted Answer

User-Name

Question 21

Which of the following is NOT a factor of authentication in Multi-Factor Authentication (MFA)?

Accepted Answer

Something you want

Question 22

What must be configured in /etc/freeradius/3.0/clients.conf for a RADIUS server?

Accepted Answer

NAS details

Question 23

What is a benefit of integrating RADIUS with LDAP in a VPN authentication scenario?

Accepted Answer

Centralized user management

Question 24

What is a benefit of using multiple RADIUS servers in an ISP environment?

Accepted Answer

Load balancing and redundancy

Question 25

What is a key difference between RADIUS and TACACS+ in terms of encryption?

Accepted Answer

TACACS+ encrypts the entire packet, while RADIUS encrypts only passwords

Question 26

Which protocol is primarily used for network device administration?

Accepted Answer

TACACS+

Question 27

What is the default port used by TACACS+?

Accepted Answer

49

Question 28

In a RADIUS implementation for an ISP, what can be assigned using RADIUS attributes?

Accepted Answer

IP addresses and bandwidth limits

Question 29

Which protocol is commonly used with Microsoft Active Directory for centralized authentication?

Accepted Answer

LDAP

Question 30

Which authentication method combines multiple factors to enhance security?

Accepted Answer

Multi-Factor Authentication (MFA)

Question 31

In the context of authentication, what is the purpose of a smart card?

Accepted Answer

To serve as a "something you have" factor

ACCESS CONTROL

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ACCESS CONTROL

Questions 31