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That depends on their configurations. For example: While it makes very good sense to include redundant physical links in a network, connecting switches in loops, without taking the appropriate measures, will cause havoc on a network. Without the correct measures, a switch floods broadcast frames out all of its ports, causing serious problems for the network devices. The main problem is a broadcast storm where broadcast frames are flooded through every switch until all available bandwidth is used and all network devices have more inbound frames than they can process.

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This is the first expert-level certification in Microsoft’s Security, Compliance, and Identity portfolio. This certification will focus on designing elements of a cybersecurity architecture and evaluating the tradeoffs between different solutions.

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CISA – Certified Information Systems Auditor designation is a globally recognized certification for IS audit control, assurance and security professionals.