2V0-621 · Question #111
Which three ports are used by the vSphere Web Client when connecting directly to an ESXi 6.x host? (Choose three.)
The correct answer is A. 443 TCP B. 902 TCP and UDP C. 903 TCP. The vSphere Web Client uses ports 443, 902, and 903 when connecting directly to an ESXi 6.x host for HTTPS management, console data, and remote console sessions.
Question
Which three ports are used by the vSphere Web Client when connecting directly to an ESXi 6.x host? (Choose three.)
Options
- A443 TCP
- B902 TCP and UDP
- C903 TCP
- D5480 TCP
- E9443 TCP and UDP
How the community answered
(51 responses)- A88% (45)
- D8% (4)
- E4% (2)
Why each option
The vSphere Web Client uses ports 443, 902, and 903 when connecting directly to an ESXi 6.x host for HTTPS management, console data, and remote console sessions.
Port 443 TCP is used for all HTTPS-based API and management traffic between the vSphere Web Client and the ESXi host. This is the primary channel for all inventory and configuration operations.
Port 902 TCP/UDP carries VM console heartbeat and data traffic for VMware Remote Console connections. Both TCP and UDP are required to support the full range of VMRC session activity.
Port 903 TCP is used specifically for VM remote console session connections when the Web Client establishes a VMRC session directly with an ESXi host.
Port 5480 TCP is used for the vCenter Server Appliance management interface, not for direct ESXi host connections from the vSphere Web Client.
Port 9443 TCP/UDP is associated with the vSphere Web Client server service endpoint, not for outbound connections from the Web Client to an ESXi host.
Concept tested: ESXi host required ports for direct Web Client access
Source: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.security.doc/GUID-AE4D9355-2D9B-4441-8B1C-3B48B4B7A574.html
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