单选题A small company would like help in identifying an apparent system performance problem on its internal mail server, especially to determine peak hour usage. What would be the first step in identifying the problem?()Acd /var/spool/cron/crontabs,uncomment

题目
单选题
A small company would like help in identifying an apparent system performance problem on its internal mail server, especially to determine peak hour usage. What would be the first step in identifying the problem?()
A

 cd /var/spool/cron/crontabs,uncomment the lines in the adm file, in order to start gathering statistics.

B

 cd /var/spool/cron/crontabs; uncomment the lines in the sys file, in order to start gathering statistics.

C

 cd /usr/lib/cron/; vi the adm file; startsrc -s sadc

D

 cd /usr/lib/cron/; vi the sys file; startsrc -s sadc


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更多“单选题A small company would like help in identifying an apparent system performance problem on its internal mail server, especially to determine peak hour usage. What would be the first step in identifying the problem?()A  cd /var/spool/cron/crontabs,uncomme”相关问题
  • 第1题:


    The author suggests that a mathematician asked to solve a problem in an ill-defined situation would first attempt to do which of the following?( )

    A.Identify an analogous situation
    B.Simplify and define the situation
    C.Vary the underlying assumptions of a description of the situation
    D.Determine what use would be made of the solution provided

    答案:B
    解析:

  • 第2题:

    A user calls the system administrator and states that they can no longer access the file server they had been working on all morning. To trouble shoot this problem,  which step should the administrator take FIRST?()

    • A、 Reboot the file server.
    • B、 Ask the user what they were doing when they noticed the problem.
    • C、 Ask the user to reboot their PC.
    • D、 Ask the user to ping the default gateway and report the response times back to the administrator.

    正确答案:B

  • 第3题:

    A small company would like help in identifying an apparent system performance problem on its internal mail server, especially to determine peak hour usage. What would be the first step in identifying the problem?()

    • A、 cd /var/spool/cron/crontabs,uncomment the lines in the adm file, in order to start gathering statistics.
    • B、 cd /var/spool/cron/crontabs; uncomment the lines in the sys file, in order to start gathering statistics.
    • C、 cd /usr/lib/cron/; vi the adm file; startsrc -s sadc
    • D、 cd /usr/lib/cron/; vi the sys file; startsrc -s sadc

    正确答案:A

  • 第4题:

    A company has acquired another company and is consolidating data centers. During the consolidation, half of the users of a business-critical application lost access. The users who maintained access experienced slow performance.  What is the first action the SAN/storage administrator should take to determine the source of the problem()

    • A、review SAN configuration, connectivity, and zoning
    • B、review application parameters for contention or tuning problems
    • C、use internal disk monitoring tools to determine the problem source
    • D、check the disk parameters in the OS setup on the systems

    正确答案:A

  • 第5题:

    How would a system administrator review root’s current cron jobs of the following?()

    • A、crontab -l
    • B、cron -l root
    • C、lscron -l root
    • D、cat /var/cron/crontabs/root

    正确答案:A

  • 第6题:

    A company has acquired another company and is consolidating data centers. During the consolidation, half of the users of a business critical application lost access. The users who maintained access experienced slow performance.  What is the first action the SAN/storage administrator should take to determine the source of the problem()

    • A、review SAN configuration, connectivity, and zoning
    • B、review application parameters for contention or tuning problems
    • C、use internal disk monitoring tools to determine the problem source
    • D、check the disk parameters in the OS setup on the systems

    正确答案:A

  • 第7题:

    单选题
    A System p administrator suspects they are receiving an error from one of their nightly cron jobs. Thejob is: 0 1 * * * /usr/local/bin/nightlycheck.pl Where should the administrator first look for errors reported by this cron job()
    A

    /var/log/syslog.out

    B

    /var/log/cron.log

    C

    /var/spool/cron/logs

    D

    mail


    正确答案: B
    解析: 暂无解析

  • 第8题:

    单选题
    A company has acquired another company and is consolidating data centers. During the consolidation, half of the users of a business-critical application lost access. The users who maintained access experienced slow performance.  What is the first action the SAN/storage administrator should take to determine the source of the problem()
    A

    review SAN configuration, connectivity, and zoning

    B

    review application parameters for contention or tuning problems

    C

    use internal disk monitoring tools to determine the problem source

    D

    check the disk parameters in the OS setup on the systems


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    A user calls the system administrator and states that they can no longer access the file server they had been working on all morning. To trouble shoot this problem,  which step should the administrator take FIRST?()
    A

     Reboot the file server.

    B

     Ask the user what they were doing when they noticed the problem.

    C

     Ask the user to reboot their PC.

    D

     Ask the user to ping the default gateway and report the response times back to the administrator.


    正确答案: C
    解析: 暂无解析

  • 第10题:

    问答题
    The following appeared as part of an article in a daily newspaper:  “The computerized on-board warning system that will be installed in commercial airliners will virtually solve the problem of midair plane collisions. One plane’s warning system can receive signals from another’s transponder—a radio set that signals a plane’s course—in order to determine the likelihood of a collision and recommend evasive action.”  Discuss how well reasoned you find this argument. In your discussion, be sure to analyze the line of reasoning and the use of evidence in the argument. For example, you may need to consider what questionable assumptions underlie the thinking and what alternative explanations or counterexamples might weaken the conclusion. You can also discuss what sort of evidence would strengthen or refute the argument, what changes in the argument would make it, more logically sound, and what, if anything, would help you better evaluate its conclusion.

    正确答案: 【参考范文】
    The argument that this warning system will virtually solve the problem of midair plane collisions omits some important concerns that must be addressed to substantiate the argument. The statement that follows the description of what this warning system will do simply describes the system and how it operates. This alone does not constitute a logical argument in favor of the warning system, and it certainly does not provide support or proof of the main argument.
    Most conspicuously, the argument does not address the cause of the problem of midair plane collisions, the use of the system by pilots and flight specialists, or who is involved in the midair plane collisions. First, the argument assumes that the cause of the problem is that the planes’ courses, the likelihood of collisions, and actions to avoid collisions are unknown or inaccurate. In a weak attempt to support its claim, the argument describes a system that makes all of these things accurately known. But if the cause of the problem of midair plane collisions is that pilots are not paying attention to their computer systems or flight operations, the warning system will not solve the collision problem. Second, the argument never addresses the interface between individuals and the system and how this will affect the warning system’s objective of obliterating the problem of collisions. If the pilot or flight specialist does not conform to what the warning system suggests, midair collisions will not be avoided. Finally, if planes other than commercial airliners are involved in the collisions, the problem of these collisions cannot be solved by a warning system that will not be installed on non-commercial airliners. The argument also does not address what would happen in the event that the warning system collapses, fails, or does not work properly.
    Because the argument leaves out several key issues, it is not sound or persuasive. If it included the items discussed above instead of solely explaining what the system supposedly does, the argument would have been more thorough and convincing.
    解析: 暂无解析

  • 第11题:

    单选题
    A server will not power on. Which of the following devices should the administrator use FIRST to determine the problem?()
    A

     Loop back plugs

    B

     Power supply tester

    C

     System logs

    D

     TDR


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    An operator wants to view all the scheduled jobs on a system. Which of the following locations would house scheduled jobs?()
    A

    /etc/var/spool

    B

    /var/spool/cron

    C

    /var/sched/jobs

    D

    /usr/sched/crontabs


    正确答案: C
    解析: 暂无解析

  • 第13题:

    Which of the following is the NEXT step in the troubleshooting theory after identifying the problem?()

    • A、Establish a theory of probable cause
    • B、Test the theory
    • C、Implement preventative measures
    • D、Establish a plan of action

    正确答案:A

  • 第14题:

    A server will not power on. Which of the following devices should the administrator use FIRST to determine the problem?()

    • A、Loop back plugs
    • B、Power supply tester
    • C、System logs
    • D、TDR

    正确答案:B

  • 第15题:

    A System p administrator suspects they are receiving an error from one of their nightly cron jobs. The  job is: 0 1 * * * /usr/local/bin/nightlycheck.pl Where should the administrator first look for errors reported by  this cron job()

    • A、/var/log/syslog.out
    • B、var/log/cron.log
    • C、/var/spool/cron/logs
    • D、mail

    正确答案:D

  • 第16题:

    An operator wants to view all the scheduled jobs on a system. Which of the following locations would house scheduled jobs?()

    • A、/etc/var/spool
    • B、/var/spool/cron
    • C、/var/sched/jobs
    • D、/usr/sched/crontabs

    正确答案:C

  • 第17题:

    A customer has a new p5-550 running AIX 5.2 that is SAN-attached to a FAStT900.  They have encountered hangs lasting over a minute on their new system during application load testing.  They called the pSeries technical specialist for advice.  Which of the following would be the most appropriate questions to determine their next step in resolving the problem?()

    • A、Are there any errors in the error log? Do they indicate any hardware or software errors?
    • B、Has performance data been collected? What do the results show in terms of I/O statistics?
    • C、Has performance data been collected? What do the results show in terms of CPU utilization? 
    • D、What type of SAN switch is the customer using? What are the microcode levels on the switch?

    正确答案:A

  • 第18题:

    单选题
    A company has acquired another company and is consolidating data centers. During the consolidation, half of the users of a business critical application lost access. The users who maintained access experienced slow performance.  What is the first action the SAN/storage administrator should take to determine the source of the problem()
    A

    review SAN configuration, connectivity, and zoning

    B

    review application parameters for contention or tuning problems

    C

    use internal disk monitoring tools to determine the problem source

    D

    check the disk parameters in the OS setup on the systems


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    Which of the following is the NEXT step in the troubleshooting theory after identifying the problem?()
    A

    Establish a theory of probable cause

    B

    Test the theory

    C

    Implement preventative measures

    D

    Establish a plan of action


    正确答案: B
    解析: 暂无解析

  • 第20题:

    单选题
    You are a network administrator for your company. The network contains a Windows Server 2003 computer named Print1 that functions as a print server. Print1 contains a printer named MarketingPrinter. Users report that print jobs they submit to the MarketingPrinter take a long time to print. You immediately examine Print1 and conclude that the server is performing at acceptable levels. You need to identify the problem. What should your next step be? ()
    A

    Use Task Manager to monitor processor and memory performance.

    B

    Use Windows Explorer to monitor the size of the Windows/System32/Spool/prtprocs folder.

    C

    Use System Monitor to view the Print Queue/Jobs counter.

    D

    Use System Monitor to view the Print Queue/Enumerate Network Printer Calls counter.


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    A customer has a new p5-550 running AIX 5.2 that is SAN-attached to a FAStT900.  They have encountered hangs lasting over a minute on their new system during application load testing.  They called the pSeries technical specialist for advice.  Which of the following would be the most appropriate questions to determine their next step in resolving the problem?()
    A

    Are there any errors in the error log? Do they indicate any hardware or software errors?

    B

    Has performance data been collected? What do the results show in terms of I/O statistics?

    C

    Has performance data been collected? What do the results show in terms of CPU utilization? 

    D

    What type of SAN switch is the customer using? What are the microcode levels on the switch?


    正确答案: C
    解析: 暂无解析

  • 第22题:

    单选题
    How would a system administrator review root’s current cron jobs of the following?()
    A

    crontab -l

    B

    cron -l root

    C

    lscron -l root

    D

    cat /var/cron/crontabs/root


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    A System p administrator suspects they are receiving an error from one of their nightly cron jobs. The  job is: 0 1 * * * /usr/local/bin/nightlycheck.pl Where should the administrator first look for errors reported by  this cron job()
    A

    /var/log/syslog.out

    B

    var/log/cron.log

    C

    /var/spool/cron/logs

    D

    mail


    正确答案: C
    解析: 暂无解析

  • 第24题:

    单选题
    A small company would like help in identifying an apparent system performance problem on its internal mail server, especially to determine peak hour usage. What would be the first step in identifying the problem?()
    A

     cd /var/spool/cron/crontabs,uncomment the lines in the adm file, in order to start gathering statistics.

    B

     cd /var/spool/cron/crontabs; uncomment the lines in the sys file, in order to start gathering statistics.

    C

     cd /usr/lib/cron/; vi the adm file; startsrc -s sadc

    D

     cd /usr/lib/cron/; vi the sys file; startsrc -s sadc


    正确答案: C
    解析: 暂无解析