Which type of traffic requires a separate VLAN, strict QoS requirements, and a one-way overall delay of less than 150 ms across the network?

Question:
Which type of traffic requires a separate VLAN, strict QoS requirements, and a one-way overall delay of less than 150 ms across the network?

• video
• POP/IMAP
• HTTP
• VoIP

Explanation: VoIP traffic tends to have a separate VLAN to ensure that voice quality is maintained. VoIP traffic requires the following:
• Assured bandwidth to ensure voice quality
• Transmission priority over other types of network traffic
• Ability to be routed around congested areas on the network
• Delay of less than 150 ms across the network

Exam with this question: CCNA 2 (v5.0.3 + v6.0) Practice Final Exam Answers