1、routing in circuit-switching networks has traditionally involved a static routing strategy with the use of ( 71) paths to respond to increased load . modern routing strategies provide more adaptive and flexible approaches . the routing function of a packet-switching network attempts to find the least-cost route through the network , with cost based on the number of expected delay , or other metrics in virtually all packet-switching networks , some sort f adaptive routing technique is used . adaptive routing algorithms typically rely on the ( 73 ) information about traffic conditions among nodes . in most cases , adaptive strategies depend n status information that is ( 74 ) at one place but used at another . there is a tradeoff here tween the quality of the information and the amount of ( 75) . the exchanged information itself a load on the constituent networks , causing a performance degradation
A、 exchange
B、 transportation
C、 reception
D、 transmissio
答案:A
答题解析:
略
2、routing in circuit-switching networks has traditionally involved a static routing strategy with the use of ( 71) paths to respond to increased load . modern routing strategies provide more adaptive and flexible approaches . the routing function of a packet-switching network attempts to find the least-cost route through the network , with cost based on the number of expected delay , or other metrics in virtually all packet-switching networks , some sort f adaptive routing technique is used . adaptive routing algorithms typically rely on the ( 73 ) information about traffic conditions among nodes . in most cases , adaptive strategies depend n status information that is ( 74 ) at one place but used at another . there is a tradeoff here tween the quality of the information and the amount of ( 75) . the exchanged information itself a load on the constituent networks , causing a performance degradation
A、 rejected
B、 collected
C、 discarded
D、 transmitted
答案:B
答题解析:
略
3、routing in circuit-switching networks has traditionally involved a static routing strategy with the use of ( 71) paths to respond to increased load . modern routing strategies provide more adaptive and flexible approaches . the routing function of a packet-switching network attempts to find the least-cost route through the network , with cost based on the number of expected delay , or other metrics in virtually all packet-switching networks , some sort f adaptive routing technique is used . adaptive routing algorithms typically rely on the ( 73 ) information about traffic conditions among nodes . in most cases , adaptive strategies depend n status information that is ( 74 ) at one place but used at another . there is a tradeoff here tween the quality of the information and the amount of ( 本题) . the exchanged information itself a load on the constituent networks , causing a performance degradation
A、 packets
B、 information
C、 data
D、 overhead
答案:D
答题解析:
需要在信息质量和额外开销之间寻找平衡点。
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