WhatisthepurposeoftheOSPFhellopacket?()
A.advertisesreachablenetworks
B.acknowledgesthereceiptofupdatepackets
C.establishesandmaintainsneighborrelationships
D.describesthecontentsofthelink-statedatabase
- · 有3位网友选择 D,占比30%
- · 有3位网友选择 A,占比30%
- · 有2位网友选择 C,占比20%
- · 有2位网友选择 B,占比20%