题目内容
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[单选题]
NSR(Non-Stop Routing不间断路由)保证设备在()发生故障倒换时数据转发和控制面协议都不间断,满足语音、视频、大客户等业务对IP/MPLS网络的高可靠性要求。
A.电源板
B.业务板
C.主控板
D.交换板
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A.电源板
B.业务板
C.主控板
D.交换板
If someone "works around the clock," it means ______.
A.he likes his job
B.he works non-stop
C.he is very punctual
D.he repairs clocks and watches
A.9000E设备默认NSR关闭,配置NSR使能后,备用主控会同步复位。依次经历备控制板启动同步和备控制板实时同步两个阶段
B.NSR实时同步采用事件同步机制,设备从某个接口接收到的控制面协议报文(如BGP Update报文),会同时上送到主控制板和备控制板
C.NSR和GR功能可以同时开启,此时NSR优先生效
D.NSR与GR均采用实时状态同步机制,都可以实现主控板切换后业务的不间断转发
A.System monitoring and optimization
B.Routing
C.User management
D.File backup
A.Routing protocol control list
B.Firewall rule set
C.IP Protocol filters
D.All the above
A.MAP,TCAP
B.TCAP,SCCP
C.MTP,SCP
A.A. TACT rules
B.B. TACT rates
C.C. contract
D.D. L/C