A.The frame does not have MAC addresses.
B.The source MAC address in the frame is the MAC address of the NIC of Host 1.
C.The source MAC address in the frame is the MAC address of the s0/0/0 interface of R1.
D.The destination MAC address in the frame is the MAC address of the NICof server 1.
E.The destination MAC address in the frame is the MAC address of the s0/0/0 interface of R2
第2题
A.(config-if)#authenticationpppchapfallbackppp
B.(config-if)#authenticationpppchappap
C.(config-if)#pppauthenticationchappap
D.(config-if)#pppauthenticationchapfallbackppp
第3题
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
第4题
A.2through1001
B.1through1001
C.1through1002
D.2through1005
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