多项选择题
A.The trunking configuration mode on Switch1 is set to Off.
B.The trunking configuration mode on the other end is set to On.
C.The trunking configuration mode on the other end is set to Desirable.
D.Cisco Discovery Protocol is not running on the other end.
E.There is a VTP domain name mismatch.
F.Switch1 does not support 802.1Q.
单项选择题 Refer to the exhibit. When applying this policy map on the tunnel1 interface，you see packet loss for the TCP class starting at around 100000 b/s，instead of the configured 150000 b/s. What is the most likely？（）
单项选择题 Youhavedoneapartialmigrationfrom802.1DSTPto802.1wSTP.Whichofthefollowingistrue？（）
问答题 在frame-relay中，哪种情况为出现接口协议down，物理up的情况！