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）
单选题
Which of the following does an astronomical time clock do？（）
A
Determines the ambient light at night with a photocell.
B
Calculates sunset and sunrise times based on geographical area.
C
Determines the start and end of each of the seasons.
D
Synchronizes the local time displayed with the official world time.
参考答案
参考解析
解析：
暂无解析
更多 “单选题Which of the following does an astronomical time clock do？（）A Determines the ambient light at night with a photocell.B Calculates sunset and sunrise times based on geographical area.C Determines the start and end of each of the seasons.D Synchronizes the local time displayed with the official world time.” 相关考题
考题
听力原文：W: Oh, no. It's five o'clock already, and I haven't finished my homework.M: Don't worry. That clock is fifteen minutes fast. You still have time to do it.When does this conversation take place?A．At 5:00.B．At 5:15.C．At 4:45.D．At 4:15.
考题
Which of the following does not contain a non-finite clause?A．He swims in the river every day.B．Do you mind my shutting the door?C．It's been nice talking to you.D．There being nothing to do, he left.
考题
Which role does the teacher play in the following activities? When the students are doing a group work task, the teacher joins one or two groups for a short period of time.A.source of help
B.controller
C.participant
D.assessor
考题
Which of the following may illustrate the difference between "competence" and__________ "performance"?
A．What a person "knows" and what he/she "does".
B．What a person "can do" and what he/she "does".
C．What a person "does" and what he/she "knows".
D．What a person "does" and what he/she "can do".
考题
Which of the following does NOT show the proper rhythmic pattern of the sentence
A.'What' s the 'matter
B.The 'sweater is 'beautiful.
C.He 'started 'counting it.
D.'He usually 'gets up at 'six o 'clock.
考题
What time does our plane leave?（）A、Saturday.B、Eight o'clock in the morningC、Last week.D、This week
考题
How does NTP help you troubleshoot network problems?（）A、By calculating the time offset from the GPS or atomic clockB、By setting the router clock to the default value if the router can't connect to a time serverC、By setting all network devices to the correct timeD、By setting necessary time date in the timestamp information
考题
Which of the following NTP command specifies that a router is in the Eastern time zone， which isfive hours behind GMT？（）A、timezone EST -5B、clock timezone GMT -5C、dock GMT -5D、clock EST-5E、NTP timezone EST -5F、dock timezone EST -5
考题
Which of the following does an astronomical time clock do？（）A、Determines the ambient light at night with a photocell.B、Calculates sunset and sunrise times based on geographical area.C、Determines the start and end of each of the seasons.D、Synchronizes the local time displayed with the official world time.
考题
A technician wants to compare a new server performance over a period of time. Which of the following should the technician do FIRST?（）A、Monitor processor performance logsB、Constantly check the task managerC、Use performance server logsD、Establish a baseline for the server
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
An environment has a DC server and an Exchange server. The administrator needs to install a patch and restart both servers while minimizing downtime. Which of the following is the BEST way to restart the servers?（）A、Restart both servers at the same time so the servers are down at the same time.B、DC server first, then the Exchange server second.C、The order in which the servers are restarted does not matter.D、Exchange server first, then the DC server second.
考题
A customer asked a consultant to create the infrastructure for an application. The application is designed to charge customers for conferencing services based on usage. To determine if a Storage Area Network （SAN） is the best storage solution， which of the following questions is most appropriate？（）A、Will the application require a database？B、Which operating system does the application require？C、Will the data need to be backed up in real time？D、Does the application share data among the servers？
考题
What does the SCN represent？（） A、 The system change number， which is a point in time relative to transactions within a given database.B、 A number that represents time. Thus， at 1300 hours， the SCN is the same on all databases. C、 The security change number， which represents the security code that is needed to access any database structure.D、 A conversion factor that converts internal database time to external clock time.E、 UTC time in the database，providing a standardized way of tracking time in Oracle.
考题
Which of the following does the recover command not do？（） A、 Restore archived redo logs.B、 Apply archived redo logs.C、 Restore incremental backups.D、 Apply incremental backups.E、 Restore datafile images.
考题
单选题What time does our plane leave?（）A
Saturday.B
Eight o'clock in the morningC
Last week.D
This week
考题
单选题Which of the following does the author think teachers should NOT do?A
Let children mark their own work.B
Allow children to make mistakes.C
Point out children's mistakes to them.D
Give children correct answers.
考题
单选题which one of the following should maria do to display the release date in a text column?（）A
used the number and time format options B
used the @date to text functions to convert time to text C
concatenated the date types using mathematical operators D
used the @text functions to convert time and number data to text in text columns
考题
单选题What does the SCN represent?（）A
The system change number, which is a point in time relative to transactions within a given database. B
A number that represents time. Thus, at 1300 hours, the SCN is the same on all databases. C
The security change number, which represents the security code that is needed to access any database structure.D
A conversion factor that converts internal database time to external clock time. E
UTC time in the database, providing a standardized way of tracking time in Oracle.
考题
单选题Which of the following server roles sends out a time signal for clients to synchronize with a clock？（）A
DHCPB
NTPC
SMTPD
DNS
考题
单选题A client needs to be able to install a new local printer, but does not currently have permission to do so. Which of the following is the BEST user group to put the client in, to allow the printer to be installed?（）A
Power UsersB
UsersC
Backup UsersD
Guest
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Which role does the teacher play in the following activities? When the students are doing a group-work task, the teacher joins one or two groups for a short period of time.A
organizerB
controllerC
participantD
assessor
考题
单选题Which of the following does NO T show the proper rhythmic pattern of the sentence?A
' What's the ' matter?B
The' sweater is 'beautiful.C
He 'started 'counting it.D
'He usually 'gets up at 'six o' clock.
考题
单选题Which operational mode command can be used to synchronize the local system time with an NTP server?（）A
set ntp time 64.32.129.3B
set clock ntp 64.32.129.3C
set time 64.32.129.3D
set date ntp 64.32.129.3
考题
单选题After a critical service failure occurs the server keeps rebooting every fifteen minutes not giving anadministrator enough time to troubleshoot the failure. Which of the following does the administrator need to do to allow enough time to work on the system to troubleshoot the problem？（）A
Modify boot.ini fileB
Disable automatic reboot on serviceC
Press F6 at boot upD
Clear cache
考题
单选题Which of the following does NOT show the proper rhythmic pattern of the sentence?A
‘What's the 'matter?B
The ‘sweater is’ beautiful.C
He ‘started 'counting it.D
‘He usually 'gets up at ‘six O'clock.
考题
单选题Having lived in China for a long time, John could fully understand the cultural shocks experienced by his Chinese students. Which of the following traits does John have in this instance?A
Avoidance.B
Empathy.C
Extroversion.D
Introversion.
热门标签
最新试卷
