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Difficulty: MediumNetwork Host Services and Server Roles

An IT technician is configuring network services for an enterprise branch office. The corporate security policy requires a centralized host solution that can intercept outbound web requests from client workstations, enforce URL content filtering, and cache web objects locally to reduce WAN traffic. Which network server role best fulfills these requirements?

  1. Proxy serverAnswer
  2. B
    DHCP server
  3. C
    APIPA auto-configuration service
  4. D
    DNS server operating over port 80

Answer

Proxy server
The option specifying a proxy server is correct because a proxy acts as an intermediary gateway between local clients and the internet. It evaluates client HTTP/HTTPS requests, enforces security rules and content filtering, and maintains a local cache of web resources to reduce redundant external network traffic.

Step-by-Step Solution

1
Analyze the functional requirements in the scenario.
Identified key requirements: intercepting outbound web requests, enforcing content filtering policies, and caching web content locally to save WAN bandwidth.
Determining the required operational behavior isolates which server role is designed for web traffic mediation.
2
Evaluate candidate network server roles against the requirements.
A proxy server functions as an intermediary web gateway specifically designed for request inspection, URL filtering, and web resource caching.
Other infrastructure host roles (DHCP, DNS, APIPA) address network layer addressing and domain name resolution rather than web application request filtering.

Key Concept

Proxy Server Role and Functionality
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Topics

Network Host Services and Server Roles

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