T型调压器指挥器阀口关闭不严，排气阀因杂质堵塞或排气阀压力调整不当而不能排气，会造成（）。 ["进口压力下降","进口压力上升","出口压力下降","出口压力上升"]
临床心理学
Refer to the exhibit. From the MAC addresses shown in the command output， to which two ports is the multicast stream 225.230.57.199 being forwarded on this switch？ （） ["Fa6\/28","Fa7\/20","Gi3\/7","Fa4\/2","Fa4\/14","Fa4\/38"]
谁的手巾，围裙放在病人身上，病好了，鬼也出去？
Which two are differences between IGMPv2 and IGMPv3 reports？（） ["IGMPv3 has the ability to include or exclude source lists.","All IGMPv3 hosts send reports to destination address 224.0.0.22.","Only IGMPv2 reports may contain multiple group state records.","All IGMPv3 hosts send reports to destination address 224.0.0.23.","IGMPv2 does not support the Leave Group message."]
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