Which of the following is used to prioritize Internet usage per application and per user on the network?
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A. B. C. D.A.
The correct answer is A. Bandwidth management.
Bandwidth management refers to the techniques used to allocate available network resources, such as data transfer rate or packet forwarding, to different applications, users, or devices according to predefined policies. The goal of bandwidth management is to optimize network performance by controlling congestion, minimizing delay, and ensuring fair distribution of resources among competing entities.
In the context of Internet usage, bandwidth management can be used to prioritize traffic based on different criteria, such as application type, user identity, source/destination IP address, protocol, port number, etc. By doing so, bandwidth management allows network administrators to control the quality of service (QoS) delivered to different users and applications, and to prevent one user or application from monopolizing the network resources and degrading the performance for others.
For example, a bandwidth management policy can be configured to give higher priority to real-time applications, such as VoIP or video streaming, over non-real-time applications, such as file transfers or web browsing. Alternatively, a bandwidth management policy can be configured to limit the maximum bandwidth usage per user or per application, to prevent network congestion and ensure fair access for all users.
Load balance routing (B) is a technique used to distribute network traffic over multiple paths or devices, in order to optimize resource utilization, increase availability, and improve performance. Load balancing can be done at different layers of the network, such as layer 2 (switching), layer 3 (routing), or layer 4 (transport). However, load balancing alone does not provide QoS or prioritize traffic based on application or user.
Border Gateway Protocol (C) is a routing protocol used to exchange routing information between different autonomous systems (AS) on the Internet. BGP is used to determine the optimal path for data packets to reach their destination across multiple ASes. However, BGP does not provide bandwidth management or QoS features.
Administrative distance (D) is a parameter used in routing protocols to indicate the trustworthiness or preference of a particular route. Administrative distance is used to select the best route among multiple alternatives based on their reliability, cost, or policy. However, administrative distance does not provide bandwidth management or QoS features.