A systems administrator needs to access a hypervisor that went offline. After doing a port scan, the administrator notices that company policy is blocking the RDP default port. Which of the…

The correct answer is A. 22. Port 22 is used by SSH (Secure Shell), a secure protocol for remote command-line access to systems. When RDP (which uses port 3389 by default) is blocked, SSH is the standard secure alternative for remotely managing servers and hypervisors-especially Linux-based hypervisors…

Networking

Question

A systems administrator needs to access a hypervisor that went offline. After doing a port scan, the administrator notices that company policy is blocking the RDP default port. Which of the following ports should the administrator use to access the machine?

Options

A22
B23
C80
D3090

How the community answered

(43 responses)

A
72% (31)
B
5% (2)
C
16% (7)
D
7% (3)

Explanation

Port 22 is used by SSH (Secure Shell), a secure protocol for remote command-line access to systems. When RDP (which uses port 3389 by default) is blocked, SSH is the standard secure alternative for remotely managing servers and hypervisors-especially Linux-based hypervisors like KVM, VMware ESXi, or Proxmox. Port 23 (B) is Telnet, which is insecure and rarely allowed. Port 80 (C) is HTTP for web traffic. Port 3090 (D) is not a standard remote management port. SSH on port 22 is the correct and secure alternative when RDP is unavailable.

Topics

#Network Ports#Remote Access#SSH#Hypervisor Management

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