nrf5340 ncs USB+DFU mcuboot_menuconfig

The MenuConfig page of SEGGER IDE (ncs1.9.1):

How should I configure this interface if I want to configure usb DFU and trigger upgrade mode via button: 1.boot_usb_dfu\Use gpio to detect whether to trigger dfu mode ,or   2.MCUBOOT_SERIAL\BOOT_SERIAL_DEVICE\BOOT_SERIAL_CDC_ACM  . Or check both of them. What's the difference between them? Because I think CDC ACM is a kind of USB. Do trigger GPIO need to be configured with the same pin?

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  • Thank you very much for your help. As you can see, picture 1 in question contains USB DFU and picture 2 contains CDC ACM. I would like to know the difference between them, or I need to select both of them if I want to configure USB DFU.

    And how can i use command "mcumgr" in windows10 system,  that command does not appear to exist in windows cmd.exe.

    Can I download and use command “mcumgr” directly on Windows?

    go get github.com/apache/mynewt-mcumgr-cli/mcumgr 
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