Which of the following are steps to configure destination-based Remote Triggered Black Hole（RTBH）filtering？（）
A. Configure OSPF between trigger router and black hole routes
B. Configure all edge routers with static （reserved） host route to Null0
Configure BGP beteen trigger and black hole routers
D. Configure on trigger router to advertise victim host route with commumity
E. Activate black hole by redistributing route for victim into BGP with next-hop set to the static（reserved）host route configured on edge routers
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Based on the following output in a router A running LDP， which statement is true？（）
A. None of the above.
B. The IP address 50.0.0.1/32 is assigned to the non-directly connected LDP neighbor， 50.0.0.4.
C. The IP address 50.0.0.1/32 is assigned to one of its own interfaces.
D. The IP address 50.0.0.1/32 is assigned to its directly connected LDP neighbor， 50.0.0.4.
Refertotheexhibit.WhenrunningOSPF,WhatwouldcauserouterAnottoformanadjacencywithrouterB?（）
A. Theloopbackaddressesareondifferentsubnets
B. Thevalueofthedeadtimersontherouteraredifferent
C. Routesummarizationisenabledonbothrouters
D. TheprocessindentifieronrouterAisdifferentthantheprocessidentifieronrouterB
Given the above partial configuration, which two statements are true about VLAN traffic?（）
A. VLANs 1-5 will use fa0/10 as a backup only.
B. VLANs 6-10 will use fa0/10 as a backup only.
C. VLANs 1-5 will be blocked if fa0/10 goes down.
D. VLANs 1-10 are configured to load share between fa0/10 and fa0/12.
E. VLANs 6-10 have a port priority of 128 on fa0/10.
“关于认真学习贯彻国务院《城市生活无着的流浪乞讨人员救助管理办法》和民政部《城市生活无着的流浪乞讨人员救助管理办法实施细则》的通知”严禁铁路站车人员以任何理由要求站车内发现的无票流浪乞讨人员进行（）或有限制、变相限制人身自由的行为和其他不文明、不礼貌言行。
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C. 帮工、劳动
D. 帮忙
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