Which of the following is not a hardware preparation item for cutover?

• A.Power-on test
• B.Test the operation of the board
• C.Device version check
• D.Cable connectivity test

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If the BFD session goes down, the direct link will fail.

• A.False
• B.True

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Which of the following are not included in the security protection actions that a secure MAC address can perform?

• A.Protect
• B.Shutdown
• C.Restrict
• D.Remark

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As shown in the figure:

• A.The IIH certification of R3 and R1 failed
• B.The System ID of R3 and R1 are duplicated
• C.R3 and R1 have different area codes
• D.IS-Leve1 of R3 and R1 do not match

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When there are multiple redundant links in the IS-S network, multiple equal-cost routes may appear. Which of the following statements is false about equal-cost routing within an IS-IS network?

• A.After configuring equal-cost route priorityJS-ISWhen the device forwards the traffic reaching the destination network segment, it will not adopt the load balancing method, but forward the traffic to the next hop with the highest priority
• B.If load sharing is configured, the traffic will be evenly distributed to each link
• C.When the number of equal-cost routes in the network is greater than the number configured by the command, and these routes have the same priority, Preferred next hop deviceSystem IDLarge routes for load balancing
• D.For each route in the equal-cost route, a priority can be specified, and the route with higher priority will be preferred. the rest as backup routes

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