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Reverse proxy technology for web servers should be deployed if:

Reverse proxy technology for web servers should be deployed if:

PrepAway - Latest Free Exam Questions & Answers

A.
http servers’ addresses must be hidden.

B.
accelerated access to all published pages is required.

C.
caching is needed for fault tolerance.

D.
bandwidth to the user is limited.

Explanation:

Reverse proxies are primarily designed to hide physical and logical internal structures from outside
access. Complete URLs or URIs can be partially or completely redirected without disclosing which
internal or DMZ server is providing the requested datA. This technology might be used if a tradeoff between security, performance and costs has to be achieved. Proxy servers cache some data
but normally cannot cache all pages to be published because this depends on the kind of
information the web servers provide. The ability to accelerate access depends on the speed of the
back-end servers, i.e., those that are cached. Thus, without making further assumptions, a gain in
speed cannot be assured, but visualization and hiding of internal structures can. If speed is an
issue, a scale-out approach (avoiding adding additional delays by passing firewalls, involving more
servers, etc.) would be a better solution. Due to the limited caching option, reverse proxies are not
suitable for enhancing fault tolerance. User requests that are handled by reverse proxy servers are
using exactly the same bandwidth as direct requests to the hosts providing the data.


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