CREST Practitioner Security Analyst (CPSA) Practice

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What is the full meaning of the acronym VRRP?

Virtual Route Redundancy Protocol
Virtual Router Redundancy Protocol
Visual Redundancy Routing Protocol
Virtual Relay Router Protocol

The correct answer is: Virtual Router Redundancy Protocol

The full meaning of the acronym VRRP is Virtual Router Redundancy Protocol. This protocol is designed to increase the availability of the default gateway servicing hosts on the same subnet. In essence, VRRP allows multiple routers to work together to provide a redundant default gateway, ensuring that if the primary router fails, another router can take over without interrupting network services. VRRP achieves this by assigning a virtual IP address that can be shared among a group of routers. One router is designated as the master (or primary) router, while others serve as backups. If the master router becomes unavailable, one of the backup routers can assume the role of master, allowing for seamless failover. The other choices do not accurately reflect the standardized definition of VRRP. The term “Virtual Route Redundancy Protocol” might seem close but lacks the specificity needed as it misrepresents the function by omitting the term “Router,” which is essential for describing the purpose of this protocol. The suggestions “Visual Redundancy Routing Protocol” and “Virtual Relay Router Protocol” are also incorrect as they either introduce unrelated concepts or do not align with the established terminology within networking standards.