CREST Practitioner Security Analyst (CPSA) Practice

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What does DTP stand for in networking?

Dynamic Trunking Protocol
Digital Transport Protocol
Dedicated Transmission Protocol
Dynamic Transfer Protocol

The correct answer is: Dynamic Trunking Protocol

Dynamic Trunking Protocol is a Cisco proprietary protocol used in networking to allow trunk links to be automatically configured. This protocol simplifies network management by enabling switches to negotiate whether to configure a port as an access port or a trunk port. When a port is set to trunk mode, it can carry traffic for multiple VLANs, which is essential for efficient data transmission in larger networks. DTP operates by sending and receiving DTP messages over the network. When a switch port is connected to another switch, DTP can help determine if that port should operate in trunking mode, facilitating the dynamic adjustment of port configuration without manual intervention. This automation is particularly beneficial in environments where the network topology can frequently change, allowing for greater flexibility and ease of management. The other options do not accurately reflect the terminology and function used in networking. They either refer to protocols that do not exist or have entirely different meanings within the context of networking. Thus, the correct identification of DTP as Dynamic Trunking Protocol highlights its practical importance in configuring and managing network infrastructure.