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单选题
Why does IS-IS use the SPF algorithm?（）
A
to determine the pseudonode ID
B
to determine the next hop to a given destination
C
to determine the complete path to a given destination
D
to determine the number of routers present in a given area
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The command "clear ipv6 ospf process" was issued on a router. What does this commandaccomplish？（）A、The route table is cleared. Then the OSPF neighbors are reformedB、The OSPF adjacencies are cleared and initiated againC、The OSPF database is repopulated and then the shortest path first （SPF） algorithm isperformed.D、The shortest path first （SPF） algorithm is performed on the LSA databaseE、None of the other alternatives apply
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Why does IS-IS use the SPF algorithm?（）A、to determine the pseudonode IDB、to determine the next hop to a given destinationC、to determine the complete path to a given destinationD、to determine the number of routers present in a given area
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请简述什么是IS-IS协议（）A、IS-IS协议基于PDH算法，以寻找到目标的最佳路径B、IS-IS协议基于SPF算法，以寻找到最长路径C、IS-IS协议基于SPF算法，以寻找到目标的最佳路径D、由于SPF算法本身的优势，IS-IS协议天生具有抵抗路由环路的能力
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以下关于i-SPF算法描述正确的是（）。A、integrated SPF，整个IS-IS路由域只需要计算一个SPT树B、树中不改变的部分保持原树C、重新计算树中受影响的部分D、i-SPF的计算时间要比完成SPF慢
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单选题The command "clear ipv6 ospf process" was issued on a router. What does this commandaccomplish？（）A
The route table is cleared. Then the OSPF neighbors are reformedB
The OSPF adjacencies are cleared and initiated againC
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多选题Which one of the routing protocol below does NOT use a distance vector algorithm to calculate a route to a given destination?（）ARIPBIPX RIPCIGRPDOSPFEIS-IS
考题
单选题Why does IS-IS use the SPF algorithm?（）A
to determine the pseudonode IDB
to determine the next hop to a given destinationC
to determine the complete path to a given destinationD
to determine the number of routers present in a given area
考题
单选题You want to use RMAN to create compressed backups.Which statement is true about the compression algorithms that RMAN can use?（）A
The BZIP2 compression algorithm consumes more CPU resources than the ZLIB compression algorithm.B
The ZLIB compression algorithm consumes more CPU resources than the BZIP2 compression algorithm.C
The ZLIB compression algorithm provides maximum compression and produces smaller backups than the BZIP2 compression algorithm.D
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考题
单选题The ERX Edge Router in your Bridged 1483 network has multiple external DHCP servers configured.During discovery, which algorithm does the router use to decide which DHCP server to send packets to?（）A
direct modeB
round robinC
weighted round robinD
No algorithm is used.
考题
多选题请简述什么是IS-IS协议（）AIS-IS协议基于PDH算法，以寻找到目标的最佳路径BIS-IS协议基于SPF算法，以寻找到最长路径CIS-IS协议基于SPF算法，以寻找到目标的最佳路径D由于SPF算法本身的优势，IS-IS协议天生具有抵抗路由环路的能力
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