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【单选题】
事先对回答作了限制性规定,在提出问题的同时还给出若干个答案,要求回答者根据自己的情况进行选择填答是()。
A.
背景性问题
B.
封闭式问题
C.
主观性问题
D.
检验性问题
E.
开放式问题
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【多选题】Which two statements about configuring an Ether Channel on a Cisco switch are true?(Choose two)
A.
The interfaces configured in the Ether Channel must have the same STP port path cost
B.
The interfaces configured in the Ether Channel must be on the same physical switch
C.
An Ether Channel can operate in Layer 2 mode only
D.
The interfaces configured in the Ether Channel must operate at the same speed and duplex mode
E.
The interfaces configured in the Ether Channel must be part of the same VLAN or trunk
【简答题】已知汉字“中”存放于第 54 区的第 48 位,给出“中”的区位码____________H、国标码_____________H和机内码_____________H。
【简答题】Gigabit Ethernet的传输速率达到了【 】Mbit/s。
【单选题】Those two ideas must be kept ______ one from the ether.
A.
distinctive
B.
distinguished
C.
disguised
D.
distinct
【多选题】楼宇对讲系统的作用是()
A.
方便小区管理中心监控小区环境
B.
为住户提供监视小区环境的渠道
C.
使住户能在需要时向小区管理中心紧急报警
D.
为来访客人与住户提供双向通话或可视通话功能
E.
使住户能遥控防盗门的开关
【简答题】ether
【简答题】核心交换机4号插槽上安装16端口GBIC千兆以太网模块WS-X6516-GBIC(16 port GIGABIT ETHERNET),负责连接平安城市工程中所有的流媒体服务器、存储服务器等设备,端口1和2连接2台流媒体服务器、端口3和4连接2台存储服务器。平安城市工程规范中规定,实时调阅视频流从采集至播放的时间延迟不得大于1s。图1-3为某派出所对一个监控点之间的设备连接图,表1-2为图中各设备产...
【多选题】Which two statements about 10 Gigabit Ethernet (10GE) are true?()
A.
10 Gigabit Ethernet does not support VLAN definition
B.
10 Gigabit Ethernet supports full duplex links, but does not support half duplex links
C.
10 Gigabit Ethernet supports unshielded or shielded twisted-pair cable connections
D.
10 Gigabit Ethernet supports Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
E.
10 Gigabit Ethernet supports optical fiber connections in single mode only. Mufti mode is not supported
【单选题】Boston dentist whose successful demonstration of ether anesthesia on October 16, , at the Massachusetts General Hospital was a landmark in the history of surgery
A.
1984
B.
1846
C.
1847
D.
1964
【简答题】Gigabit Ethernet的传输速率达到【 】Mbps。
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