Crucial Exams

ISC2 Certified in Cybersecurity (CC) Practice Question

Within the OSI reference model, which activity represents a primary responsibility performed at the Physical layer?

  • Dividing application data into TCP segments and assigning port numbers

  • Selecting the best path for packets based on logical IP addresses

  • Negotiating authentication tokens between two hosts to maintain a dialogue

  • Specifying the voltage levels and timing used on copper Ethernet cabling

ISC2 Certified in Cybersecurity (CC)
Network Security
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