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Cisco Certified Network Associate (CCNA) · Cisco
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i new the answer but i didnt understand in english
C is correct
C. They provide minimal interruption to services by being hot-swappable. Explanation: SFP (Small Form-factor Pluggable) modules are used to provide flexibility in connecting networking equipment, such as switches and routers, to various types of network media, including both copper and fiber interfaces. One of the key features of SFP modules, whether they are used with copper or fiber connections, is their hot-swappable nature. Hot-swappability means that you can remove or replace the SFP module while the equipment is powered on, minimizing interruption to network services. This is a significant advantage for maintenance and upgrades in a network environment.