题目内容

WhichofthefollowingisthepurposeofQoS?()

A. LoadbalancetrafficacrossmultipleLANandWANlinks.
B. Increasespeedofnetworktraffic.
Classify,mark,andprioritizetrafficonWANandLANlinks
D. Guaranteetrafficdelivery.

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Whichofthefollowingtechnologiescanprovidegeographicallybasedloadbalancingwithhighavailabilitybetweentwowebserverswithstaticcontent?()

A. Multicast
B. Active/passivecluster
C. Active/activecluster
DNSroundrobin

按托运货物数量不同,我国铁路货物运价可以分为整车、零担、集装箱运价,一般情况下,最高的是()。

A. 整车运价
B. 集装箱运价
C. 零担运价
D. 很难区分

Which of the following bottlenecks would MOST likely cause excessive hard drive activity?()

A. Inadequate RAM
B. Slow processor
C. PCI bus
D. Excessive network traffic

服务于持卡消费、网上购物的电子商务活动证书是()。

A. SET
B. VISA
C. SSL
D. MASTER

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