A network administrator is configuring a router that focuses on Layer 3 operations within a large corporate network. The administrator needs to implement a policy where specific types of packets should be prioritized based on the company's operational procedures, which affect business-critical applications. Which of the following will BEST serve this requirement?
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Configuring detailed Access Control Lists (ACLs) for each network segment
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Utilizing route summarization on routers
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Updating VLAN assignments based on traffic type
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Implementing Quality of Service (QoS) settings on the router
Quality of Service (QoS) is the correct answer because it allows network administrators to classify traffic types and prioritize them accordingly, ensuring that business-critical applications receive the necessary bandwidth and low latency they require. Access Control Lists (ACLs) control traffic but do not prioritize it; they are more focused on permitting or denying traffic. VLAN assignment is a Layer 2 operation and is primarily used for segmenting a network into different broadcast domains for security and management purposes. Route summarization simplifies routing but does not deal with traffic prioritization.
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What exactly is Quality of Service (QoS)?
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How do QoS settings affect business-critical applications?
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What are the differences between QoS and Access Control Lists (ACLs)?