ForwhichtwonetworkproblemswouldQoSbeagoodsolution？（）A.serialization delayB.end-to-end delayC.lack of bandwidthD.inconsistent port costsE.routing table convergence issuesF.poor file transfer rates

多项选择题

For which two network problems would QoS be a good solution？（）

A.serialization delay
B.end-to-end delay
C.lack of bandwidth
D.inconsistent port costs
E.routing table convergence issues
F.poor file transfer rates

CCNP(642-845)