Multiple choice

What is the work of Inter-Switch Link Protocol (ISL) with communicating VLANs?

  1. This protocol is used to interconnect two VLAN-capable Ethernets.

  2. The protocol provides authentication and encryption techniques to ensure data confidentiality and integrity.

  3. This protocol interconnects multiple switches and routers.

  4. This protocol does not provide any connectivity for the VLANs.

  5. None of the above
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A Correct answer
Explanation

ISL protocol interconnects two VLAN-capable Ethernets or Gigabit Ethernet devices.

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