单项选择题
Which of these correctly identifies a difference between the way BPDUs are handled by 802.1w and 802.1D？ （）
A. 802.1D bridges do not relay BPDUs.
B. 802.1w bridges do not relay BPDUs.
C. 802.1D bridges only relay BPDUs received from the root.
D. 802.1w bridges only relay BPDUs received from the root.
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WhatisthefirstthingthathappenswhenIPv6isenabledonaninterfaceonahost？（）
A.A router solicitation is sent on that interface.
B.There is a duplicate address detection on the host interface.
C.The link local address is assigned on the host interface.
D.A neighbor redirect message is sent on the host interface. -
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WhatactionwillaBGProutereflectortakewhenitreceivesaprefixmarkedwiththecommunityattribute NOADVERTISEfromaclientpeer？（）
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D.It will not advertise the prefix to any peers. -
单项选择题
Refer to the exhibit. Which switching feature is being tested？（）
A. loop guard
B. PortFast
C. root guard
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