200-301 Question #1049: Real Exam Question with Answer & Explanation

Question

What is a feature of TFTP?

Options

• Aoffers anonymous user login ability
• Buses two separate connections for control and data traffic
• Crelies on the well-known TCP port 20 to transmit data
• Dprovides secure data transfer

Explanation

TFTP (Trivial File Transfer Protocol) is characterized by its simplicity and its support for anonymous user logins, which makes it suitable for basic file transfers without requiring authentication.

Common mistakes.

• B. This describes FTP, not TFTP; TFTP uses a single UDP port for both control and data (port 69 for initial connection, then ephemeral ports for data transfer).
• C. TFTP uses UDP port 69, not TCP port 20 (which is used by FTP for data transfer).
• D. TFTP provides no security features like encryption or authentication; it is considered an insecure protocol.

Concept tested. TFTP characteristics

Reference. https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp_fxfn/configuration/xe-3s/app-fxfn-xe-3s-book/app-tftp.html

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