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Exam CISSP-ISSAP topic 2 question 96 discussion

Actual exam question from ISC's CISSP-ISSAP
Question #: 96
Topic #: 2
[All CISSP-ISSAP Questions]

You work as a Network Administrator for McRoberts Inc. You are expanding your company's network. After you have implemented the network, you test the connectivity to a remote host by using the PING command. You get the ICMP echo reply message from the remote host. Which of the following layers of the OSI model are tested through this process? Each correct answer represents a complete solution. Choose all that apply.

  • A. Layer 3
  • B. Layer 2
  • C. Layer 4
  • D. Layer 1
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Suggested Answer: DBA 🗳️

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n00r1
10 months, 1 week ago
The PING command primarily tests Layer 3 (Network layer) of the OSI model. Therefore, the correct answer is: A. Layer 3 Explanation: PING operates at the Network layer (Layer 3) by using the Internet Control Message Protocol (ICMP) to send echo requests and receive echo replies. Layers 1 and 2 (Physical and Data Link layers) are typically not directly tested by the PING command. Layer 4 (Transport layer) is not directly tested by PING, as it is more focused on network layer connectivity.
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