1. [单选题]32位微处理器的32是指______。
A. 系统总线(system bus)的宽度为32位
B. 处理的数据长度只能为32位
C. CPU字长为32位
D. 通用寄存器数目为32个
2. [单选题]Routing．protocols use different techniques for assigning【S1】to individual networks．Further，each routing protocol forms a metric aggregation in a different．way．Most routing protocolscan use muh．iple paths if the paths have an equal【S2】．Some routing protocols can evenuse multiple paths when paths have an unequal cost．In either ease，load【S3】can improveoverall allocation of network bandwidth．When mulliple paths are used.there are several ways to distribute the packets．The two most common mechanisms are per—packet load balancing and per—destination load balancing．Per—packet load balancing distributes the【S4】across the possi-ble routes in a manner proportional to the route metrics．Per-destination load balancing distributes packets across the possible routes based on【S5】．【S1】
A. calls
B. metrics
C. 1inks
D. destinations
3. [单选题]在AOE图中，关键路径是()。
A. 从源点到汇点的最长路径
B. 从源点到汇点的最短路径
C. 最长的回路
D. 最短的回路
