CompTIA Network+ (N10-007) — Question 580

A network technician is capturing packets on the network and notices a UDP packet stream from a phone to the PBX system. The payload of the packet shows the phone downloaded the file cm7910-sccp-load-2995.xml. Which of the following protocols was MOST likely used to download this file?

Answer options

• A. SIP
• B. TFTP
• C. SSL
• D. ICMP

Correct answer: B

Explanation

The correct answer is B, TFTP, as it is commonly used for transferring files in network environments using UDP. SIP is primarily for signaling in VoIP communications, SSL is used for secure connections, and ICMP is used for network diagnostics, none of which are suitable for file transfers.