Which of the following statements are true regarding the binary subnet ID$,$ subnet broadcast address, and host IP address values in any single subnet? $($Choose two answers.$)$

The host part of the broadcast address is all binary $0$s$.$

The host part of the subnet ID is all binary $0$s$.$

The host part of a usable IP address can have all binary $1$s$.$

The host part of any usable IP address must not be all binary $0$s$.$