642-821TK若干争议题（1）

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[QUOTE]4.Which redistribution method can be used to prevent routing loops between two autonomous systems<br>from running different routing protocols and having redundant paths?<br>A. static redistribution<br>B. passive redistribution<br>C. two-way redistribution<br>D. one-way redistribution<br>个人认为选A、B、D<br>5.You are managing a huge network:<br>? multiple routing protocols are in use<br>? multiple Autonomous Systems &#40;AS&#41; are in use<br>? two-way redistribution is in use<br>You need to redistribute between the different routing protocols but you are concerned about routing loops. What step should you take help avoid routing loops?<br>A. Manually configuring the default metric.<br>B. Manually configuring the default network.<br>C. Manually configuring the default gateway.<br>D. Manually configuring the gateway of last resort.<br>个人选：B<br>6.You are setting up a router environment with multiple OSPF areas. What should you do if you want to<br>follow the official Cisco recommendations? &#40;Choose two&#41;<br>A. There should not be more than three areas per route.<br>B. Area 0 must be larger than any subsequent OSPF area.<br>C. A router cannot be a DR or BDR for more than one LAN.<br>D. You should not run more than one instance of the OSPF process on an ABR.<br>个人选：A、C<br>5.You are managing a huge network:<br>? multiple routing protocols are in use<br>? multiple Autonomous Systems &#40;AS&#41; are in use<br>? two-way redistribution is in use<br>You need to redistribute between the different routing protocols but you are concerned about routing<br>loops. What step should you take help avoid routing loops?<br>A. Manually configuring the default metric.<br>B. Manually configuring the default network.<br>C. Manually configuring the default gateway.<br>D. Manually configuring the gateway of last resort.<br><br>6.You are setting up a router environment with multiple OSPF areas. What should you do if you want to<br>follow the official Cisco recommendations? &#40;Choose two&#41;<br>A. There should not be more than three areas per route.<br>B. Area 0 must be larger than any subsequent OSPF area.<br>C. A router cannot be a DR or BDR for more than one LAN.<br>D. You should not run more than one instance of the OSPF process on an ABR.<br><br>tk parta:no162:<br>5.You are managing a huge network:<br>? multiple routing protocols are in use<br>? multiple Autonomous Systems &#40;AS&#41; are in use<br>? two-way redistribution is in use<br>You need to redistribute between the different routing protocols but you are concerned about routing<br>loops. What step should you take help avoid routing loops?<br>A. Manually configuring the default metric.<br>B. Manually configuring the default network.<br>C. Manually configuring the default gateway.<br>D. Manually configuring the gateway of last resort.<br><br>6.You are setting up a router environment with multiple OSPF areas. What should you do if you want to<br>follow the official Cisco recommendations? &#40;Choose two&#41;<br>A. There should not be more than three areas per route.<br>B. Area 0 must be larger than any subsequent OSPF area.<br>C. A router cannot be a DR or BDR for more than one LAN.<br>D. You should not run more than one instance of the OSPF process on an ABR.<br>