CREST Practitioner Security Analyst (CPSA) Practice

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Which of the following routing methods allows for real-time adjustments based on network changes?

Static Routing
Dynamic Routing
Hybrid Routing
Manual Routing

The correct answer is: Dynamic Routing

Dynamic routing is the correct answer because it utilizes algorithms and protocols to automatically adjust the paths that data packets take across a network in response to changing conditions. Unlike static routing, which requires manual configurations and remains fixed unless updated by an administrator, dynamic routing can detect changes in the network, such as link failures or changes in traffic load, and adapt accordingly. Dynamic routing protocols, like OSPF (Open Shortest Path First) or BGP (Border Gateway Protocol), continuously exchange information about the network's state among routers. This real-time communication allows the routers to make informed decisions about the best paths for data transmission, optimizing performance and improving redundancy. Static routing, on the other hand, does not adapt to network changes, relying solely on preset configurations. Hybrid routing combines elements of both static and dynamic methods but does not inherently provide the same level of real-time adjustment as fully dynamic routing does. Manual routing also involves fixed routes that must be individually managed and adjusted without automatic updates. These methods lack the responsiveness and flexibility that dynamic routing offers.