What is NOT a characteristic of Layer 4 protocols?
Understand the Problem
The question is asking us to identify a characteristic that does not belong to Layer 4 protocols in networking. To solve it, we will analyze the provided options based on our understanding of what Layer 4 protocols do.
Answer
Layer 4 protocols are not responsible for uniquely identifying VLAN traffic.
Layer 4 protocols are not responsible for uniquely identifying VLAN traffic.
Answer for screen readers
Layer 4 protocols are not responsible for uniquely identifying VLAN traffic.
More Information
Layer 4 of the OSI model is responsible for ensuring complete data transfers between hosts and end systems, but it is not involved in identifying VLAN traffic, which is typically handled by Layer 2 or Layer 3 protocols.
Tips
A common mistake is to confuse the responsibilities of Layer 4 with those of other layers, such as VLAN identification, which pertains to Layer 2 or Layer 3.
Sources
- CCNA Prep Technical Question #5: 802.1Q encapsulation ... - learningnetwork.cisco.com
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