皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【多选题】
关于停泵水锤的防护措施,下列哪些做法是正确的
A.
管径越小,总水头线与测压管水头线间距越小
B.
管径沿程不变,总水头线与测压管水头线平行
C.
测压管水头线只可能沿程下降,不会沿程上升
D.
上、下游水池中的测压管水头线就是水面线,自由出流时的测压管水头线必通过管路出口端面中心点
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】用五行生克乘侮说明肝病及肺属
A.
相乘
B.
相侮
C.
母病犯子
D.
子病及母
E.
相克
【单选题】Which IOS user EXEC command will allow a network technician to determine which router in the path to an unreachable network host should be examined more closely for the cause of the network failure?
A.
EzonexamB> telnet
B.
EzonexamB > ping
C.
EzonexamB > trace
D.
EzonexamB > show ip route
E.
EzonexamB > show interface
F.
EzonexamB > show cdp neighbors
【单选题】用五行生克乘侮说明肝病及肺属:
A.
相乘
B.
相侮
C.
母病及子
D.
子病及母
E.
相克
【单选题】Which command is used to debug a ping command?()
A.
debug icmp
B.
debug ip icmp
C.
debug tcp
D.
debug packet
【单选题】下列动作中,锻炼的主要是肱三头肌的是( )。
A.
坐姿颈后哑铃臂屈伸
B.
仰卧起坐
C.
45 °角上斜腿上举
D.
龙门架弯举
【多选题】Regarding the extended ping command which of the statements below are true? (Select all valid answer choices)
A.
The extended ping command is supported from user EXEC mode.
B.
The extended ping command is available from privileged EXEC mode.
C.
With the extended ping command you can specify the TCP and UDP port to be pinged.
D.
With the extended ping command you can specify the timeout value.
E.
With the extended ping command you can specify the datagram size.
【单选题】下列动作中,锻炼的主要是我们的肩部肌肉的是( )。
A.
凳上反屈伸
B.
悬垂收腹举腿
C.
坐姿杠铃颈前、颈后推举
D.
负重站姿提踵
【单选题】Which of the following statements are FALSE concerning the defragfs command?()
A.
The defragfs command should not be run against file systems and logical volumes that contain mostly transitory information, such as /tmp.
B.
The defragfs command should not be run on a large JFS2 file system when running on a 32-bit kernel.
C.
The defragfs command can improve file system performance by increasing the file system’s contiguous free space.
D.
The defragfs command can only be run against file systems that are mounted with read-write permissions.
【多选题】习近平总书记强调,我们必须始终保持高度警惕,既要高度警惕“——”事件,也要防范“——”事件。
A.
白天鹅
B.
黑天鹅
C.
黑犀牛
D.
灰犀牛
【单选题】Which statement about the ip classless router command is true?()
A.
The ip classless command is enabled by default in recent versions of IOS.
B.
The ip classless command should only be enabled when static routing is being used instead of a routing protocol.
C.
The ip classless command should be enabled by the network administrator whenever RIPv1 or IGRP is being used.
D.
The ip classless command should be enabled by the network administrator whenever OSPF, RIPv2, or EIGRP is being used.
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题