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2V0-620 · Question #97

The vSphere administrator attempts to connect to an ESXi host via an SSH client and receives the following security alert: The vSphere administrator needs to determine whether the RSA key…

The correct answer is A. Direct Console User Interface. When an SSH client presents an RSA key fingerprint alert, the administrator must verify the fingerprint against the host's own display to confirm authenticity. The DCUI provides direct access to this fingerprint on the physical or remote console.

Section 1 – Secure vSphere Environments

Question

The vSphere administrator attempts to connect to an ESXi host via an SSH client and receives the following security alert:

The vSphere administrator needs to determine whether the RSA key fingerprint shown in the security alert is the fingerprint of the intended ESXi host. Which tool should the vSphere administrator use?

Exhibit

2V0-620 question #97 exhibit

Options

  • ADirect Console User Interface
  • BvSphere Client
  • CvSphere Web Client
  • DvSphere Management Assistant

How the community answered

(27 responses)
  • A
    70% (19)
  • B
    7% (2)
  • C
    4% (1)
  • D
    19% (5)

Why each option

When an SSH client presents an RSA key fingerprint alert, the administrator must verify the fingerprint against the host's own display to confirm authenticity. The DCUI provides direct access to this fingerprint on the physical or remote console.

ADirect Console User InterfaceCorrect

The Direct Console User Interface displays the SSH key fingerprint of the ESXi host directly on the local console under the Troubleshooting Options or System Customization menu. Because it is accessed out-of-band from the SSH session itself, it provides a trustworthy reference for comparing the fingerprint shown in the security alert. This allows the administrator to confirm they are connecting to the correct host and not a man-in-the-middle.

BvSphere Client

The vSphere Client connects through vCenter Server and does not expose the raw SSH RSA key fingerprint of an individual ESXi host for out-of-band verification.

CvSphere Web Client

The vSphere Web Client similarly routes through vCenter Server and provides no interface to retrieve or display the SSH RSA fingerprint of a specific ESXi host.

DvSphere Management Assistant

The vSphere Management Assistant is a scripting and management appliance used to run vCLI commands, and it does not display the SSH key fingerprint of a target ESXi host.

Concept tested: Verifying ESXi SSH RSA key fingerprint via DCUI

Source: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.security.doc/GUID-CF3CA16E-4FE3-4CB8-AB0E-C9AD59D77BB8.html

Topics

#SSH security#RSA key fingerprint#DCUI#host verification

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