【多选题】CDP is being used throughout the Ezonexam network. What are two reasons why the Ezonexam network administrator would use CDP? (Choose two)
A.
To determine the status of network services on a remote device
B.
To obtain the IP Address of a connected device in order to telnet to the device
C.
To verify the type of cable interconnecting two devices
D.
To verify Layer 2 connectivity between two devices when Layer 3 fails
E.
To obtain VLAN information from directly connected swticehs
F.
To determine the status of the routing protocols between directly connected routers
G.
To support automatic network failover during outages
【简答题】查询选修课程号为c05109号课程的期末最高分、最低分及之间相差的分数,可用如下SQL语句: SELECT ______(final) AS MaxScore, ______(final) AS MinScore, ______ AS Diff FROM score ______ courseno = 'c05109'
【简答题】查询选修课程号为c05109号课程的期末最高分、最低分及之间相差的分数,可用如下SQL语句: SELECT ______(final) AS MaxScore, ______(final) AS MinScore, ______ AS Diff FROM score where courseno = 'c05109'
【单选题】半夏炮制方法不同,其毒性亦异,其中毒性最大的是
【简答题】查询选修课程号为c05109 的学生学号和期末成绩,并且要求平时成绩在80到95之间。
【简答题】查询选修课程号为 c05109 号课程的期末最高分、最低分及之间相差的分数。
【简答题】查询选修课程号为 c05109 的学生学号、平时成绩和期末成绩,并且要求平时成绩在 80 到 90 之间。