Which one of the following answer choices below is true regarding the OSPF topology database?()
All entries in the topology database will be included on each router.
B. All routers in the same OSPF area will have one topology database.
C. The Dijkstra algorithm is used in the creation of the topology database.
D. LSA packets are used to update and maintain the topology database.
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为什么文前按语、文中按语和广播电视的主持人评论不存在新闻评论标题?
电位仪取样用参比电极,应该埋设在通电点附近,距离管道()的范围内。
A. 不超过lm
B. 不超过2m
C. lm以外
D. 2m以外
党委议事和决策,必须贯彻集体领导、民主集中、()、会议决定的原则。
A. 集体讨论
B. 把握全局
C. 统筹兼顾
D. 个别酝酿
认知理论认为情绪产生是受到环境事件、()和认知过程三个条件的影响。