Which of the following archiving methods only backs up data that has changed since the previousbackup?()
A. Differential
B. Copy
C. Incremental
D. Snapshot
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我国铁路货物运输中,整车、零担、集装箱各号运价都属于()。
A. 特殊运价
B. 普通运价
C. 军运运价
D. 综合运价
某炒青茶叶,外形呈条索,纤细、匀整,卷曲似螺,白毫显露,色泽翠绿油润,清香持久,汤色浓绿清澈,滋味清鲜回甜,叶底幼嫩柔匀明亮,完整成朵,每千克干茶芽叶达十万以上,这是()。
A. 黄山毛峰
B. 庐山云雾
C. 君山银针
D. 洞庭碧螺春
WhichofthefollowingisthepurposeofQoS?()
A. LoadbalancetrafficacrossmultipleLANandWANlinks.
B. Increasespeedofnetworktraffic.
Classify,mark,andprioritizetrafficonWANandLANlinks
D. Guaranteetrafficdelivery.
Whichofthefollowingtechnologiescanprovidegeographicallybasedloadbalancingwithhighavailabilitybetweentwowebserverswithstaticcontent?()
A. Multicast
B. Active/passivecluster
C. Active/activecluster
DNSroundrobin