Identify the FTP reply whose message is incorrectly matched.
Question: Identify the FTP reply whose message is incorrectly matched.
a) 331 – Username OK, password required
b) 425 – Can't open data connection
c) 452 – Error writing file
d) 452 – Can't open data connection
Answer: d) 452 – Can't open data connection (The correct message for 452 is "Requested action not taken. Insufficient storage space.")
In FTP (File Transfer Protocol), each reply code corresponds to a specific message. Understanding these codes is crucial for troubleshooting and ensuring effective communication between client and server. Here’s a look at the provided options and their meanings:
331: Username OK, password required. This code indicates that the username was accepted, and the server is waiting for the password. 🗝️
425: Can't open data connection. This message means that the server is unable to establish a data connection, often due to network issues or firewall restrictions. 🌐🚫
452: Error writing file. This code signals that there was an issue when attempting to write to a file, which may be due to insufficient storage space on the server. 📂⚠️
452: Can't open data connection. This code is incorrectly matched, as "Can't open data connection" should correspond to 425, while 452 actually pertains to an error when writing files. 🔄❌
Understanding these codes helps in diagnosing problems effectively and ensures a smooth FTP experience. 🛠️✨