46) the ping command makes use of what icmp parameter (ping命令使用了什么i c m p参数)？ ! X8 I2 Z# O: |! Q
a. redirect ( T/ | y) u' T- n8 X& I b. source quench - z# I+ R% Q% I3 L- h
c. echo reply $ a: o( N4 l h) D+ L# Z
d. destination unreachable 0 L9 k: T9 D" `3 o" z7 A% n
47) icmp redirect is sent by (icmp重定向由什么发出)？ , d' l- ?2 L$ G! k) E1 E a. a host to the gateway L# f4 C1 d e+ Y
b. a gateway to the host 9 j8 n& E K8 B8 ]' J3 D3 A3 x
c. a router to another router . u' n& d4 u! r来自www.Examw.com
发表于 2012-8-3 19:18:10
