While troubleshooting a network， you need to verify the liveness of hosts in the subnet 192.168.1.64/26. All of the hosts are able to reply to ping requests. How would you confirm the existing nodes using one single command？（）

• A、ping 192.168.1.255
• B、ping with sweep option
• C、ping 192.168.1.127
• D、ping 192.168.1.64
• E、ping with broadcast option