网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
填空题
MTBF（Mean Time Between Failure）：（）。
参考答案
参考解析
解析：
暂无解析
更多 “填空题MTBF（Mean Time Between Failure）：（）。” 相关考题
考题
D) 【解析】系统的可靠性通常用平均无故障时间( MTBF)和平均故障修复时间( MTTR)来表示，MTTR是Mean Time To Repair的缩写，指修复一次故障所需要的时间。
考题
系统可靠性的简单度量是平均故障间隔时间(MTBF)，其计算公式是(9)。(MTTF: Mean Time To Failure; MTTR: Mean Time To Repair)A．MTTF+MTTRB．MTTF-MTTRC．MTTR-MTTFD．MTTF×MTTR
考题
计算机的“可用性”主要取决于MTBF(Mean Time Between Failure)和MTTR(Mean Time To Repair)，一台计算机的可用性比较高是指A．MTBF和MTTR都高B．MTBF和MTTR都低C．MTBF高，MTTR低D．MTBF低，MTTR高
考题
系统可靠性的简单度量是平均故障间隔时间(MTBF)，其计算公式是(23)；软件可用性是指在某个给定时间点上程序能够按照需求执行的概率，其定义为(24)。(MTTF： Mean Time To Failure：MTTR：Mean Time To Repair)A．MTTF+MTTRB．MTTF-MTTRC．MTTR-MTTFD．MTTF×MTTR
考题
软件可用性是指在某个给定时间点上程序能够按照需求执行的概率，其定义为(4)。(MTTF: Mean Time To Failure; MTTR: Mean Time To Repair)A．B．C．D．
考题
软件可用性是指在某个给定时间点上程序能够按照需求执行的概率，其定义为(11)。(MTTF：Mean Time To Failure；MTTR：Mean Time To Repair)A．可用性=×100%B．可用性=×100%C．可用性=×100%D．可用性=×100%
考题
通常使用平均修复时间MTTR(Mean Time to Repair)和平均故障间隔时间MTBF(Mean Time Between Failure)这两个指标来评价产品或系统的可靠性。
A．错误B．正确
考题
A mean sun is used as the reference for solar time for three reasons. Which reason is NOT a cause for use of a mean sun?A.The motion of the apparent sun is along the eclipticB.Measurement of time is along the celestial equatorC.The speed of the Earth's revolution is not constantD.There are variations in the Earth's rotational speed
考题
The maximum difference between mean time and apparent time is ______.A.equal to the longitude expressed in time unitsB.about 16 minutesC.the difference between the GHA of mean sun and the first point of AriesD.15°of arc
考题
A signal indicating Greenwich mean time would be preceded with ______.A.a code hoist to indicate Greenwich mean time to followB.the letter GC.the letters GTD.the letter Z
考题
The time interval between the transmission of signals from a pair of Loran-C stations is very closely controlled and operates with ______．A.An atomic time standardB.Daylight Savings TimeC.Eastern Standard TimeD.Greenwich Mean Time
考题
MSTP设备运行的平均无故障时间（MTBF-Mean Time Between Failure）应不小于（）。A、50000小时B、60000小时C、80000小时D、100000小时
考题
Which of the following is the definition of CAS latency？（）A、 CAS latency is the ratio between the column access time and the clock cycle time.B、 CAS latency is the ratio between the row access time and the clock cycle time.C、 CAS latency is the ratio between the column access time and the data burst transfer time.D、 CAS latency is the ratio between the row access time and the data burst transfer time.
考题
When tuning a network module what is the purpose of the grace period？（）A、It defines the maximum permissible time period between missed heartbeats before a failure is detectedB、It defines the time period to wait to activate the network module after starting the cluster managerC、It defines the period between detecting a missed heartbeat and initiating a network down， allowing thenetwork to stabilizeD、It defines the time period during which， after a network failure was detected， further network failures of thesame type will be ignored
考题
An eX5 client is concerned about the cost-per-GB of the proposed SAS disk-based solution, and suggests using SATA disk technology in order to reduce costs for their 24x7 mission-critical Microsoft SQL Server application. Which of the following addresses the customer issues?（）A、SAS drives support automatic rebuild upon failure, SATA must be rebuilt manually B、SAS drives support Fibre Channel attachment to eX5 servers, SATA does not C、SATA drives require different, more expensive cables, and require more floor space compared with SAS D、SATA storage is slower, has lower mean time between failure, and designed for a lower duty cycle compared with SAS
考题
单选题The maximum difference between mean time and apparent time is （）.A
equal to the longitude expressed in time unitsB
about 16 minutesC
the difference between the GHA of mean sun and the first point of AriesD
15°of arc
考题
单选题When we say that two objects have relative motion, we mean （）.A
the distance between them remains the sameB
the distance between them is changingC
the position between them is not changingD
their positions to the earth remain the same
考题
判断题通常使用平均修复时间MTTR（Mean Time to Repair）和平均故障间隔时间MTBF（Mean Time Between Failure）这两个指标来评价产品或系统的可靠性。A
对B
错
考题
单选题Which of the following is the definition of CAS latency？（）A
CAS latency is the ratio between the column access time and the clock cycle time.B
CAS latency is the ratio between the row access time and the clock cycle time.C
CAS latency is the ratio between the column access time and the data burst transfer time.D
CAS latency is the ratio between the row access time and the data burst transfer time.
考题
单选题A mean sun is used as the reference for solar time for three reasons. Which reason is NOT a cause for use of a mean sun?（）A
The motion of the apparent sun is along the eclipticB
Measurement of time is along the celestial equatorC
The speed of the Earth's revolution is not constantD
There are variations in the Earth's rotational speed
考题
单选题When there are cordial relations between the two countries, we mean there exists a ______ relationship between them.A
friendlyB
hostileC
fertileD
complicated
考题
单选题The time interval between the transmission of signals from a pair of Loran-C stations is very closely controlled and operates with（）.A
An atomic time standardB
Daylight Savings TimeC
Eastern Standard TimeD
Greenwich Mean Time
考题
单选题When tuning a network module what is the purpose of the grace period？（）A
It defines the maximum permissible time period between missed heartbeats before a failure is detectedB
It defines the time period to wait to activate the network module after starting the cluster managerC
It defines the period between detecting a missed heartbeat and initiating a network down， allowing thenetwork to stabilizeD
It defines the time period during which， after a network failure was detected， further network failures of thesame type will be ignored
考题
填空题MTTR（Mean Time To Repair）：（）。
热门标签
最新试卷
