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单选题
What is the role of Forwarding Equivalence Class （FEC） in MPLS？（）
A
FEC determines how IP packets are forwarded in MPLS LSP.
B
FEC determines how to establish an LSP path.
C
FEC determines how a group of IP packets are mapped to an LSP.
D
FEC determines how MPLS labels are stacked in LSP.
E
None of above.
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更多 “单选题What is the role of Forwarding Equivalence Class （FEC） in MPLS？（）A FEC determines how IP packets are forwarded in MPLS LSP.B FEC determines how to establish an LSP path.C FEC determines how a group of IP packets are mapped to an LSP.D FEC determines how MPLS labels are stacked in LSP.E None of above.” 相关考题
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Which three are valid IPv6 interface addresses?()
A.FEC0：0：9000：0：9376：0：ABCD：EF12/128B.FEC0：0：0：2000：10FF：9472：94FA：3490/128C.FEC0：0：9500：0：59AB：BC12：94583：99CF/128D.FEC0：FEC0：0：FEC0：1234：4321：7890：978/128E.FEC0：0：9500：0：59AB：EEC12：ABCD：99CF/128
考题
MPLS中有转发等价类(FEC－Forwarding Equivalence Class)的概念,那么FEC不能基于哪些标准进行分配()。
A.碎片偏移量（Fragment offset）B.目标地址（Destination Addess）C.应用协议（Application Protocol）D.服务类别（Class of ServicE）
考题
MPLS中有转发等价类FEC的概念,描述正确的是()。
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Object-oriented analysis（OOA.is a semiformal specification technique for the object-oriented paradigm.Object-oriented analysis consists of three steps.The first step is（ ）.It determines how the various results are computed by the product and presents this information in the form of a（ ）and associated scenarios.The second is（请作答此空），which determines the classes and their attributes.Then determine the interrelationships and interaction among the classes.The last step is（ ）,which determines the actions performed by or to each class or subclass and presents this information in the form of（ ）.A.use-case modeling
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C.dynamic modeling
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关于FEC的说法，正确的有（）。A、支持FEC和不支持FEC功能的设备不能直接互通B、FEC可分为带外FEC和带内FECC、AFEC与FEC也不能互通D、AFEC比FEC更加降低系统对OSNR的要求
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What is the function of the CSMA/CD algorithm in Ethernet technologies?（）A、defines how the media is accessedB、supplies a token to determine which host has access to the mediaC、defines the encoding of electrical signals on the wireD、determines the preamble bits
考题
What is the role of Forwarding Equivalence Class （FEC） in MPLS？（）A、FEC determines how IP packets are forwarded in MPLS LSP.B、FEC determines how to establish an LSP path.C、FEC determines how a group of IP packets are mapped to an LSP.D、FEC determines how MPLS labels are stacked in LSP.E、None of above.
考题
Which two statements about forwarding equivalence class （FEC） are true？（）A、FEC might correspond to a destination IP subnet， but it might also correspond to any traffic class that the edge LSR considers significant.B、FEC is a group of IP packets that is forwarded over a different path， but with the same forwarding treatment.C、FEC is a group of IP packets that is forwarded over the same path， and with the same forwarding treatment.D、FEC is a group of IP packets that is forwarded over a different path， but with the different forwarding treatment.E、FEC is a group of IP packets that is forwarded over the same path， but with a different forwarding treatment
考题
Which three statements are true about DAI？（）A、DAI intercept all ARP packets on untrusted portsB、DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the DHCP Snooping database.C、DAI is used to prevent against a DHCP Snooping attack.D、DAI forwards all ARP packets received on a trusted interface without any checks.E、DAI forwards all ARP packets on untrusted ports.F、DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the CAM table.
考题
属于同一FEC的报文在MPLS网络中将被如何处理（）A、在进入MPLS网络的LER上将被映射相同的MPLS标签B、在整个MPLS网络中将按照同样的LSP进行转发C、在LSR上将按照相同的标签转发表项进行转发D、由报文经过的LSR设备独立进行处理，报文的目的IP地址不同，转发路径有可能不同
考题
单选题MPLS中有转发等价类（FEC-Forwarding Equivalence Class）的概念。那么FEC不能基于下列哪些标准进行分配？（）A
碎片偏移量B
目标地址C
应用协议D
服务类别
考题
单选题What is the role of Forwarding Equivalence Class （FEC） in MPLS？（）A
FEC determines how IP packets are forwarded in MPLS LSP.B
FEC determines how to establish an LSP path.C
FEC determines how a group of IP packets are mapped to an LSP.D
FEC determines how MPLS labels are stacked in LSP.E
None of above.
考题
多选题MPLS中有转发等价类FEC的概念，描述正确的是（）。A相同FEC的分组在MPLS网络中可能会有不同的处理BFEC的划分很灵活，可以是以源地址、目的地址、源端口、目的端口、协议类型或VPN等为划分依据的任意组合CMPLS将具有相同转发处理方式的分组归为一类，称为FECD一个转发等价类FEC通常只会有唯一的标签标记
考题
单选题People tend to think that children’s IQ is ______ determines how well they are going to do in their future life.A
whatB
thatC
whichD
where
考题
多选题Which three statements are true about DAI？（）ADAI intercept all ARP packets on untrusted portsBDAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the DHCP Snooping database.CDAI is used to prevent against a DHCP Snooping attack.DDAI forwards all ARP packets received on a trusted interface without any checks.EDAI forwards all ARP packets on untrusted ports.FDAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the CAM table.
考题
多选题Which two statements about forwarding equivalence class （FEC） are true？（）AFEC might correspond to a destination IP subnet， but it might also correspond to any traffic class that the edge LSR considers significant.BFEC is a group of IP packets that is forwarded over a different path， but with the same forwarding treatment.CFEC is a group of IP packets that is forwarded over the same path， and with the same forwarding treatment.DFEC is a group of IP packets that is forwarded over a different path， but with the different forwarding treatment.EFEC is a group of IP packets that is forwarded over the same path， but with a different forwarding treatment
考题
单选题MPLS中有转发等价类（FEC-Forwarding Equivalence Class）的概念，那么FEC不能基于哪些标准进行分配（）。A
碎片偏移量（Fragment offset）B
目标地址（Destination Addess）C
应用协议（Application Protocol）D
服务类别（Class of ServicE）
考题
单选题在MPLS中，FEC的角色是什么？（）A
FEC决定IP数据包在LSP中如何转发B
FEC决定如何建立LSP路径C
FEC决定LSP如何与组对应D
FEC决定标签如何存储
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