whichcommandisusedtoenableCHAPauthenticationwhitPAPasthefallbackmethodonaserialinterface?()
A. (config-if)#authenticationpppchapfallbackppp
B. (config-if)#authenticationpppchappap
C. (config-if)#pppauthenticationchappap
D. (config-if)#pppauthenticationchapfallbackppp
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实施ACL时应注意的问题()
A. 默认拒绝所有流量
B. 不需要配置到具体端口
C. 过滤方向
D. 语句的次序
Which option is a valid IPv6 address?()
A. 2001:0000:130F::099a::12a
B. 2002:7654:A1AD:61:81AF:CCC1
C. FEC0:ABCD:WXYZ:0067::2A4
D. 2004:1:25A4:886F::1
用酒精擦澡降温是通过哪种散热形式()
A. 辐射
B. 传导
C. 对流
D. 蒸发
GivenanIPaddress172.16.28.252withasubnetmaskof255.255.240.0,whatisthecorrectnetworkaddres?()
A. 172.16.16.0
B. 176.24.0.0
C. 172.16.0.0
D. 172.16.28.0