正解:B
"The image shows a coaxial cable terminated with a BNC (Bayonet Neill-Concelman) connector. This type of connection is commonly used for analog video and some specialized network applications such as Axis video encoders."
- Axis Communications Academy, Network Video Fundamentals, 2022
"BNC connectors are standard for coaxial cabling in CCTV and video encoder installations."
- Axis Video Encoder Product Page
References:
Axis Communications Academy, Network Video Fundamentals, 2022 (p. 29)
Axis Video Encoder Product Page