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【多选题】
In IPv6 network, an IPv6 overlay tunnel is required to communicate with isolated IPv6 networks across the existing IPv4 infrastructurE. There are currently fiv e IPv6 overlay tunnel types. Which three IPv6 overlay tunnel statements are true?()
A.
Overlay tunnels can only be configured between border routers capable of supporting IPv4 and IPv6.
B.
An manual overlay tunnel supports point - to - multipo int tunnels capable of carrying IPv6 and Connectionless Network Service (CLNS) packets.
C.
Overlay tunneling encapsulates IPv6 packets in IPv4 packets for delivery across an IPv4 infrastructure.
D.
Overlay tunnels can be configured between border route rs or between a border router and a host capable of supporting IPv4 and IPv6.
E.
Cisco IOS supports manual, generic routing encapsulation (GRE), IPv4 - compatible, 6to4, and Intra - Site Automatic Tunnel Addressing Protocol (ISATAP) overlay tunneling mechan isms.
F.
Cisco IOS supports manual, generic routing encapsulation (GRE), IPv6 - compatible, 4to6, and Multiprotocol Label Switching (MPLS) overlay tunneling mechanisms.
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举一反三
【单选题】实验性研究随机化分组的目的是:
A.
减少抽样误差
B.
减少实验例数
C.
提高检验效能
D.
提高检验准确度
E.
保持各组的非处理因素均衡一致
【单选题】静脉注射的外文缩写为( )
A.
ID
B.
H
C.
IM
D.
IV
E.
PO
【单选题】“静脉注射”的拉丁缩写为
A.
i.m.
B.
i.h.
C.
i.d.
D.
i.v.
E.
i.v.gtt.
【单选题】司空图提出“象外之象”说,第二个“象”是指()。
A.
韵味
B.
意境
C.
形象
D.
旨意
【判断题】红外线能抵制茎的伸长和促进花青素的形成。
A.
正确
B.
错误
【单选题】“我祝愿贵报进一步办出特色„„做到人无我有,人有我新,人新我优。”运用的修辞格 是 A. 反复 B.回环 C.顶真 D.仿拟
A.
B.
C.
D.
D
【判断题】一般来讲,与长辈通电话,不论谁拨的电话,都要等长辈放下话筒后再挂断
A.
正确
B.
错误
【单选题】静注的缩写为( )
A.
iv.
B.
pc.
C.
q4h
D.
qid
E.
po.
【单选题】提出“象外之象”说,第二个“象”是指( )
A.
形象
B.
意境
C.
韵味
D.
旨意
【单选题】( )可以将所有的 标签添加背景颜色。
A.
.h1 {background-color:#FFFFFF}
B.
h1 {background-color:#FFFFFF;}
C.
h1.all {background-color:#FFFFFF}
D.
#h1 {background-color:#FFFFFF}
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