one primary and one secondary IP address
one IP address
as many IP addresses as you want
one primary and multiple secondary IP addresses
第1题：
A.3
B.5
C.8
D.10
第2题：
A.The subnet mask in use is 255.255.255.192.
B.The subnet mask in use is 255.255.255.128.
C.The IP address 172.16.1.25 can be assigned to hosts in VLAN1
D.The IP address 172.16.1.205 can be assigned to hosts in VLAN1
E.The LAN interface of the router is configured with one IP address.
F.The LAN interface of the router is configured with multiple IP addresses.
第3题：
How many usable IP addresses can you get from a conventional Class C address?
A．128
B．192
C．254
D．256
E．510
第4题：
The IP network 210.106.14.0 is subnetted using a /24 mask. How many usable networks and host addresses can be obtained from this?（）
第5题：
Which of the following is not an essential prerequisite for AutoQoS to be correctly applied to an interface（）
第6题：
A.1
B.2
C.3
D.4
第7题：
How many IP addresses can be configured in a given interface?（）
第8题：
A.1
B.2
C.3
D.4
第9题：
Which of these statements accurately identifies how Unicast Reverse Path Forwarding can be employed to prevent the use of malformed or forged IP sources addresses？（）
第10题：
Which two statements are true about overflow pools？（）