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【多选题】

Overlay Transport Virtualization （OTV） join interface is used to source the OTV encapsulated traffic and send it to the Layer 3 domain of the data center network. Which statements are true about OTV join interface？ （）

A、 Join interface is a Layer 3 entity， and with the Cisco NX-OS release 6.0， it can only be defined as a physical interface， physical subinterface， Layer 3 port channel， or Layer 3 port channel subinterface.

B、 A single join interface can be defined and associated with a given OTV overlay.

C、 Multiple overlays can also share the same join interface.

D、 Join interface can be a loopback interface.

E、 The join interface is a Layer 3 entity that can be defined as a physical interface but not as a logical one.

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更多“Overlay Transport Virtualization （OTV） join interface is used to source the OTV encapsulated traffic and send it to the Layer 3 domain of the data center network. Which statements are true about OTV join interface？ （）”相关的问题
第1题
[单选题] When using Overlay Transport Virtualization （OTV）， how do L2 multicast frames traverse the overlay？（）

A、 The L2 multicast frames are encapsulated in an OTV packet using the configured control-group multicast address for transport  B、 The L2 multicast frames are dropped because multicast cannot be carried across the overlay   C、 The L2 multicast frames are encapsulated in an OTV packet using the configured data-group multicast address for transport  D、 The L2 multicast frames are forwarded natively across the overlay based on their multicast IDs  

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第2题
[] Overlay Transport Virtualization （OTV） provides an overlay that enables Layer 2 connectivity between separate Layer 2 domains， while keeping these domains independent and preserving the fault isolation， resiliency， and load-balancing benefits of an IP-based interconnection. Which statements are true about OTV Adjacency Server？（）

A、A. Adjacency Server is required when OTV is deployed with unicast-only transport.  B、B. Adjacency Server is required when OTV is deployed with multicast-enabled transport.  C、C. Each OTV device wishing to join a specific OTV logical overlay needs to first register with the Adjacency Server.  D、D. Each OTV device trying to join a specific OTV logical overlay needs to be configured as an Adjacency Server.  

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第3题
[多选题] Overlay Transport Virtualization （OTV） overlay interface is a logical multiaccess and multicast- capable interface that must be explicitly defined by the user and where the entire OTV configuration is applied. Which statements are true about OTV overlay interface？（）

A、 When an OTV edge device receives a Layer 2 frame destined for a remote data center site， the frame is logically forwarded to the overlay interface.  B、 The OTV edge device performs the dynamic OTV encapsulation on the Layer 2 packet and sends it to the join interface toward the routed domain.  C、 When the OTV edge device receives a Layer 2 frame destined for a remote data center site， the frame is logically forwarded to the join interface.  D、 The OTV edge device performs the dynamic OTV encapsulation on the Layer 2 packet and sends it to the overlay interface toward the routed domain.  

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第4题
[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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第5题
[单选题] PCB设计中的禁止布线层是（）。

A、Top Overlay  B、Bottom Overlay  C、Internal Plane  D、Keep Out Layer  

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第6题
[单选题] 绘制表面贴装式元件封装图时，焊盘所在的板层是（）。

A、Multi-Layer  B、TopLayer  C、Top Overlay  D、Bottom Overlay  

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第7题
[单选题] Which of the following topology situations would be a qood candidate for configuring DMVPN？（）

A、Extranet VPN  B、Managed overlay VPN topology  C、Hub-and-spoke VPN topology  D、Central-site VPN topology  E、Full mesh VPN topology  F、Remote-access VPN topology  

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第8题
[单选题] 绘制元件封装图时，元件外形所在的板层是（）。

A、Multi-Layer  B、Keep-OutLayer  C、Top Overlay  D、Bottom Overlay  

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第9题
[单选题] 绘制插针式元件封装图时，焊盘所在的板层是（）

A、Multi-Layer  B、Keep-OutLayer  C、Top Overlay  D、Bottom Overlay  

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