单项选择题 The network default gateway applying to a host by DHCP is 192.168.5.33/28.Which option is the valid IP address of this host？（）

单项选择题 Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13.An 802.1Q trunk is configured between the two switches.On CAT1，VLAN10 is chosen as native，but on CAT2 the native VLAN is not specified.What will happen in this scenario？（）

单项选择题 Which command shows system hardware and software version information？（）