XK0-005 · Question #327
XK0-005 Question #327: Real Exam Question with Answer & Explanation
The correct answer is C: Remote SSH port forwarding. Remote SSH port forwarding can create a secure tunnel from a server to an administrator's desktop, allowing the server to access internet resources like package repositories through the desktop's connection.
Question
A systems administrator needs to install software packages on a server from an Internet-based repository. The server does not have Internet connectivity. Which of the following can be used to allow the server to connect to the Internet through the systems administrator's desktop?
Options
- ALocal package repository
- BUUCP
- CRemote SSH port forwarding
- DX11 forwarding
Explanation
Remote SSH port forwarding can create a secure tunnel from a server to an administrator's desktop, allowing the server to access internet resources like package repositories through the desktop's connection.
Common mistakes.
- A. A local package repository stores packages directly on the internal network but does not provide a mechanism for the server to access external Internet repositories itself.
- B. UUCP (Unix-to-Unix Copy Protocol) is an old suite of programs for remote communication and file transfer, not typically used for modern internet proxying or package repository access.
- D. X11 forwarding allows graphical applications running on the server to display on the client desktop, but it does not provide a general-purpose internet connection for the server.
Concept tested. SSH port forwarding, Network proxying
Reference. https://www.ssh.com/ssh/tunneling/example
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