单项选择题 In the exhibit, there are four static routes that route traffic through different interfaces.Which interface does the router use if traffic is sent to the 99.0.0.1 destination?（）

多项选择题 What are two ways that packet fragmentation is handled differently between IPv6 and IPv4?（）

多项选择题 Which two statements about MPLS label-switched paths (LSPs) are true? （）