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Which two methods listed are not viable for remote access to servers?

  1. RDP and Telnet

  2. IDS/IPS and DNS

  3. Terminal server and RDP

  4. Telnet and HTTP

The correct answer is: IDS/IPS and DNS

The correct answer identifies IDS (Intrusion Detection System) and IPS (Intrusion Prevention System) along with DNS (Domain Name System) as methods that are not viable for remote access to servers. IDS and IPS are security tools designed to monitor and protect networks by detecting and potentially responding to threats. While they are crucial for maintaining security, they do not provide methods for accessing servers remotely. Similarly, DNS is a protocol that translates human-readable domain names into IP addresses, facilitating easier navigation to various web resources, but it does not enable remote server access. In contrast, RDP (Remote Desktop Protocol) and Telnet are both established methods for remote access to servers, allowing users to connect to and manage servers from different locations. Terminal servers, which facilitate RDP connections, are also directly related to providing remote access capabilities. HTTP, on the other hand, is a protocol used for transferring web pages and is not specifically designed for remote server management. Thus, focusing on the function of each option clarifies why IDS/IPS and DNS do not appropriately serve as methods for server remote access.