题目内容
(请给出正确答案)
[多选题]
Mixed VPN,关于Mixed VPN频率同步,描述正确的有哪些()
A.首节点一般选择从高精度Bits注入时钟源
B.整网同步方案设计中,推荐双BITS备份
C.中间所有节点也要使能SSM协议并配置跟踪时钟接口
D.对于3G/LTE基站,一般都支持ETH接口通过同步以太从ATN获取时钟
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A.首节点一般选择从高精度Bits注入时钟源
B.整网同步方案设计中,推荐双BITS备份
C.中间所有节点也要使能SSM协议并配置跟踪时钟接口
D.对于3G/LTE基站,一般都支持ETH接口通过同步以太从ATN获取时钟
A.E2E承载解决方案
B.HVPN承载解决方案
C.Mixed VPN承载解决方案
D.Natvie IP+L3VPN承载解决方案
A.B节点的英文全称是Broadcast,意思是广播
B.P节点的英文全称是PeertoPeer,意思是对等
C.M节点的英文全称是Mixed,意思是混合
D.H节点的英文全称是Hybrid,意思是合成
A.He frequently gets things mixed up.
B.He is always finding fault with Marsha.
C.He Ires been trying hard to cover for Marsha.
D.He often fails to follow through on his projects.
It is commonly believed that in a mixed school boys______.
A.perform. relatively better
B.grow up more healthily
C.behave more responsibly
D.receive a better education