Which three IP multicast address related statements are true？ （Choose three.） （） ["Multicast addresses 224.0.0.0 through 224.0.0.255 are always forwarded because they are transmitted with Time to Live （TTL） greater than 1.","Multicast addresses 224.0.0.5 and 224.0.0.6 are source multicast addresses for OSPF routers.","Multicast addresses 224.0.0.13 and 224.0.0.22 are reserved link-local addresses used by PIMv2 and IGMPv3.","Because they would map to overlapping IP multicast MAC addresses， multicast addresses 224.0.1.1 and 238.1.1.1 could not be used together.","Multicast address 224.0.1.1 has been reserved for the Network Time Protocol （NTP） by the IANA","The administratively scoped multicast addresses 239.0.0.0 through 239.255.255.255 are similar in purpose to RFC 1918 private unicast addresses."]
中国少年先锋队以先锋命名是表明（） 。 ["它是先进儿童的组织","要求儿童做革命的先锋","向革命先锋学习","儿童是开拓未来的先锋"]
内隐联想测验方法
下列各项中，（）属于法律。 ["《中华人民共和国民办教育促进法》","《教师资格条例》","《中华人民共和国义务教育法》","《中华人民共和国学位条例》"]
靶器官
什么叫地震波的振动图？什么叫地震波的波剖面？
