31. 若設定DF=1而路徑MTU低於封包大小,PMTUD的關鍵回饋機制為何?
(A) TCP RST
(B)路由器回 ICMP Time Exceeded
(C)路由器回ICMP Fragmentation Needed
(D) ARP
答案:登入後查看
統計: A(14), B(22), C(81), D(12), E(0) #3682489
統計: A(14), B(22), C(81), D(12), E(0) #3682489