Node ’A’ and ’B’ have two network adapters connected to different networks. Adapter 1 is assigned the address 192.168.0.10 with a subnet mask of 255.255.255.0. Adapter 2 is assigned the address 24.76.1.200 with a subnet mask of 255.255.240.0.  What is the minimum number of additional adapters per node required to eliminate a network adapter as a single point of failure？（）  

A、 One adapter per node

B、 Two adapters per node

C、 Four adapters per node

D、 No additional adapters per node

What are two types of WebView monitoring statistics on the WX/WXC platforms?（） (Choose two.)

LAN

QoS

traffic

IPSec

判断下列命题的真假，并说明理由。　　（1）如果（A∨C）⇔（B∨C），则A⇔B；　　（2）如果（A∧C）⇔（B∧C），则A⇔B；　　（3）如果﹁A⇔﹁B，则A⇔B。

Given that the current directory is empty， and that the user has read and write privileges to the currentdirectory， and the following： Which statement is true？（）

A、 Compilation fails.

B、 Nothing is added to the file system.

C、 Only a new file is created on the file system.

D、 Only a new directory is created on the file system.

E、 Both a new file and a new directory are created on the file system.

6阶有限群的任何子群一定不是（　　）阶。

A、2

B、3

C、4

D、6

Which two conditions will cause switch-to-wire to occur? （）(Choose two.)

loss of power

QoS congestion

software failure occured

WX device exceeded its license speed

traffic does not match application definiton