A.TTL字段和校驗和字段值都會改變 B.TTL字段和IP地址字段會改變 C.IP地址和校驗和字段會改變 D.DF和MF字段會改變
A.255.255.0.0 B.255.255.254.0 C.255.255.255.0 D.255.255.248.0
A.R2可以經(jīng)過R1到達net1,跳數(shù)為16 B.R2可以經(jīng)過R1到達net1,跳數(shù)為17 C.R1可以經(jīng)過R2到達net1,跳數(shù)為17 D.R1不可以經(jīng)過R2到達net1(RIP規(guī)定最大跳數(shù)為15,若跳數(shù)為16則不可達)