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第1题:
Which two statements describe the operation of the CSMA/CD access method, which is in use on the Ezonexam network? (Choose two)
A. After a collision, the station that detected the collision has first priority to resend the lost data.
B. In a CSMA/CD collision domain, stations must wait until the media is not in use before transmitting.
C. In a CSMA/CD collision domain, multiple stations can successfully transmit data simultaneously.
D. The use of hubs to enlarge the size of collision domains is one way to improve the operation of the CSMA/CD access method.
E. After a collision, all stations run a random backoff algorithm. When the backoff delay period has expired, all stations have equal priority to transmit data.
F. After a collision, all stations involved run an identical backoff algorithm and then synchronize with each other prior to transmitting data.
第2题:
After receiving a message at startup stating that ‘One or more services failed to load at startup’,which of the following Windows utilities would a technician use to diagnose the issue?()
第3题:
听力原文:With a current account, your money is immediately available.
(8)
A.You have to deposit your money once a month.
B.You can use your money at any time you need it.
C.Your money is immediately run out.
D.Your money can immediately make more money.
第4题:
You work as a database administrator for Certkiller .com. In the Certkiller PRODUCTION database you have granted RESUMABLE system privilege to the CONNECT role.Resumablespace operation has been enabled for all user session. You want users NOT to be aware of any kind of space-related problems while performing transactions. Instead, you want the problem to be resolved by a database trigger automatically. Which combination of triggering time and event would you use to achieve this objective?()
第5题:
After making changes to the monitoring configuration file for the event monitoring engine on an agent, which conman command will force the change immediately?()
第6题:
A. Event Viewer
B. System Information
C. Scandisk
D. Dr. Watson
第7题:
You have run out of disk space on a partition. Which of the following would be an easy way to move data to a new partition without reconfiguring the path to the data in existing applications?()
第8题:
You have an SQL query that takes one minute to execute. You use the following code segment to execute theSQL query asynchronously.Dim ar As IAsyncResult = cmd.BeginExecuteReader()You need to execute a method named DoWork() that takes one second to run while the SQL query is executing.DoWork() must run as many times as possible while the SQL query is executing.Which code segment should you use?()
A.
B.
C.
D.
第9题:
Very soon you will be performing maintenance operations. You would have several jobs to run as soon as the maintenance period starts. Which method would you use to create jobs without specifying the time period when the job should be run?()
第10题:
You want to convert your existing non-ASM files to ASM files for the database PROD. Which method or command would you use to accomplish this task?()