累计增长量与某一时期观察值之比的指标是()。
A. 环比增长率
B. 定基增长率
C. 平均增长率
D. 平均发展量
Thetechnicianhassuspicionsthatabrowserhasbeenhijacked.Whichofthefollowingshouldthetechnicianlookforinthissituation?()
Anewdefaultgatewayhasbeensetup.
B. AnewInternetshortcuthasbeenadded.
C. Anewwebbrowserhasbeeninstalledandisnowthedefault.
D. Aproxyserverhasbeenenabled.
将回归平方和占总变差平方和的比例称为()。
A. 判定系数
B. 回归系数
C. 相关系数
D. 估计标准误
WhatisthepurposeoftheOSPFlink-stateupdatepacket?()
A. describesachangetotheOSPFhellotimer
B. carriesoneormorelink-stateadvertisements
C. establishesandmaintainsneighborrelationships
D. describesthecontentsoftheentirelink-statedatabase