Which two statements are true about network voice traffic？ （Choose two.）（） [" Voice traffic is affected more by link speed than FTP traffic is."," Voice traffic is affected more by packet delays than FTP traffic is."," Voice streams involve larger packet sizes than most TCP network traffic involves."," Voice traffic is more sensitive to packet loss than TCP network traffic is."," Voice traffic requires QOS mechanisms only in heavily loaded network segments."]
因列车满员、晚点、停运等原因，使旅客在规定的（）内不能到达到站时，车站可视实际需要延长通票的有效期。 ["有效期","时间","日期"]
朱子读书法是何人归纳的？
常温下氮气为（）状态。 ["气体","液体","固体"]
Which three of these statements regarding 802.1Q trunking are correct?（） [" 802.1Q native VLAN frames are untagged by default."," 802.1Q trunking ports can also be secure ports."," 802.1Q trunks can use 10 Mb\/s Ethernet interfaces."," 802.1Q trunks require full-duplex, point-to-point connectivity."," 802.1Q trunks should have native VLANs that are the same at both ends."]
麦芽皮壳分离、分级糖化法。
