3、Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies? (Choose two.)
哪兩個(gè)設(shè)備能夠干擾無(wú)線網(wǎng)絡(luò)的運(yùn)行,由于他們工作在相似的頻率?
A. copier 復(fù)印件
B. microwave oven 微波爐
C. toaster 烤箱
D. cordless phone 無(wú)線電話
E. IP phone IP電話
F. AM radio AM收音機(jī)
Answer: BD
4、Which two statements describe characteristics of IPv6 unicast addressing? (Choose two.)
下列選項(xiàng)中兩項(xiàng)描述了IPV6的單向廣播地址的特征?
A. Global addresses start with 2000::/3.
B. Link-local addresses start with FE00:/12. 不合法的地址
C. Link-local addresses start with FF00::/10. 組播地址
D. There is only one loopback address and it is ::1.
E. If a global address is assigned to an interface, then that is the only allowable address for the interface.
如果在接口上分配一個(gè)全球的地址,那么該接口上地址是唯一允許的的地址。
Answer: AD