Which two statements about DS-Lite are true？（） ["IPv4 packets are carried over IPv6 tunnels to the LSN while IPv6 traffic is forwarded natively.","Ipv6 packets are carried over IPv4 tunnels to the LSN while IPv4 traffic is forwards natively.","The LSN performs NAT44 on private IPv4 source addresses.","DS-Lite does not perform any address translation."]
空气中水汽可能以下列哪些方式落至地表？（） ["雨","霾","雹","雪"]
A network administrator is troubleshooting the OSPF configuration of routers R1 and R2. The routers cannot establish an adjacency relationship on their common Ethernet link. The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2. Based on the information in the graphic, what is the cause of this problem?（） [" The OSPF area is not configured properly."," The priority on R1 should be set higher."," The cost on R1 should be set higher."," The hello and dead timers are not configured properly."," A backup designated router needs to be added to the network."," The OSPF process ID numbers must match."]
日本“反对语”的反对的意思是：（） ["对抗","并列","相反","以上说法都不对"]
为了解决一笔贷款从贷前调查到贷后检查完全由一个信贷员负责而导致的决策失误或以权谋私问题，我国银行都开始实行了（）制度，以降低信贷风险。 ["五级分类","理事会","公司治理","审贷分离"]
在学习方式上，幼儿园主要以 （）为主要学习形式，而小学主要的学习形式是（）。
