Certified Information Systems Security Professional (CISSP) Practice Exam

MPLS (Multiprotocol Label Switching) significantly enhances routing speed in data networks by allowing for more efficient data packet forwarding. In an MPLS environment, packets are assigned a label, which simplifies the decision-making process for routers. Instead of examining the entire packet header to determine the best path for forwarding, routers can quickly look up the label associated with the packet, enabling a streamlined process. This is particularly advantageous in complex networks where traditional routing methods may be slower due to the overhead of examining header information for each packet.

Moreover, MPLS facilitates the creation of predetermined paths for various types of traffic, which can optimize bandwidth usage and reduce latency. The predefined nature of these paths allows for quicker packet forwarding decisions, contributing to overall enhanced performance and speed of the network.

The other options, while relevant to various aspects of networking and security, do not accurately reflect the primary benefit of MPLS. For instance, while data confidentiality is crucial in networks, MPLS itself does not inherently provide encryption or confidentiality features. Physical network security is more concerned with the protection of physical devices and facilities rather than the data routing aspects that MPLS addresses. Device management encompasses the administration of network devices but is separate from the core function of MPLS in improving speed and efficiency