IP networks are often described as “best-effort” networks. Which one of the following descriptions about “best-effort” is correct？
A“Best-effort” implies reliable delivery
B“Best-effort-delivery” does not provide any guarantee about quality of service正確答案
C“Best-effort” means secure delivery where all packets are encrypted when transmission
D“Best-effort-delivery” guarantees that all packets are received in order
答案與詳解
