A router has a single Ethernet connection to a switch. In the router configuration, the Ethernet interface has three sub-interfaces, each configured with ACLs applied to them and 802.1q trunks. Which of the following is MOST likely the reason for the sub-interfaces?

  • The switch has several VLANs configured on it
  • The sub-interfaces each implement quality of service
  • The sub-interfaces are configured for VoIP traffic
  • The network uses the subnet of 255.255.255.128

CompTIA Security+ SY0-401
  • Network Security
    • This question is filed here
  • Compliance and Operational Security
  • Threats and Vulnerabilities
  • Application, Data and Host Security
  • Access Control and Identity Management
  • Cryptography