What is the primary goal of access control?

• To restrict all users from accessing resources
• To determine whether and how to admit a user into a trusted area
• To block all network traffic
• To create security loopholes

Which of the following is an example of discretionary access control (DAC)?

• Users controlling access to their own files
• A centralized system assigning access privileges
• Access controlled strictly by a system administrator
• Access based on job roles

Role-based access control (RBAC) assigns permissions based on:

• User preference
• Task completion
• Organizational roles
• Random allocation

Which of these is NOT a factor used for authentication?

• Something the user knows
• Something the user has
• Something the user wants
• Something the user is

What is the most common authentication method?

• Biometric scanning
• Passwords
• Smart cards
• Voice recognition

What is the primary purpose of a firewall?

• To increase network speed
• To prevent unauthorized access to a network
• To allow free data exchange between networks
• To replace antivirus software

Firewalls can be implemented as:

• Separate computer systems
• Software running on a router
• A dedicated network security device
• All of the above

Which firewall processing mode examines only packet headers?

• Application gateway
• Circuit gateway
• Packet filtering
• Hybrid

Which firewall type operates at the media access control (MAC) layer?

• Packet-filtering firewall
• Application-layer firewall
• Circuit gateway
• MAC layer firewall

Which firewall model combines elements of different types?

• Static firewall
• Hybrid firewall
• Circuit gateway firewall
• Content filtering firewall