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Difficulty: MediumNetwork Host Services and Server Roles

A network technician is configuring host services for a corporate branch office. The company requires a central network host that intercepts outbound web requests from internal client workstations, evaluates website content against security policies, caches requested web pages to conserve bandwidth, and masks internal IP addresses from destination web servers. Which of the following server roles should the technician deploy to satisfy these requirements?

  1. Web proxy serverAnswer
  2. B
    DNS server
  3. C
    Web server
  4. D
    DHCP server

Answer

The correct role to deploy is a web proxy server.
A web proxy server functions as an outbound intermediary (forward proxy) for client web browsers. It inspects URL requests, blocks unauthorized websites per corporate policy, caches frequently requested web objects to minimize external bandwidth usage, and replaces internal client IP addresses with its own IP address when forwarding traffic to external web destinations.

Step-by-Step Solution

1
Analyze the operational requirements stated in the scenario.
The target server role must handle outbound HTTP/HTTPS request interception, policy-based content filtering, web page caching, and IP masking.
Identifying specific functional requirements points directly to standard server role capabilities.
2
Evaluate candidate network host services against these functions.
A web proxy server (forward proxy) specifically performs outbound traffic mediation, content filtering, bandwidth optimization through caching, and source address hiding.
Proxy servers function as intermediaries between client machines and external network resources.
3
Rule out non-matching host service roles.
DNS handles hostname resolution, DHCP leases network configurations, and a web server hosts content rather than proxying client requests.
Each alternate service fulfills a distinct layer 4-7 administrative function that does not meet the specified criteria.

Key Concept

Web Proxy Server Roles and Functionality
Estimated Time:1m 15s
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Topics

Network Host Services and Server Roles

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