An administrator analyzes a poorly performing system and suspects that the issue is related to CPU resource. Upon reviewing output of vmstat, the administrator is concerned with the values in the ‘pc’ and ‘ec’ columns. Which definition describes these two headings?()
第1题:
The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?()
第2题:
An AIX system administrator needs to adjust the maximum amount of memory that can be pinned. Which of the following commands is used to make the change?()
第3题:
The system administrator has been getting complaints about slow performance from the server. After running vmstat the administrator notices average readings that show the free list (fre) approaching zero, as well as page-in (pi) and page-out (po) values to be high. Furthermore, the applications running are essential to daily business operations. Which of the following recommendations would provide the best overall improvement?()
第4题:
A system administrator suspects that there were problems with the AIX installation on a pSeries server. Which of the following commands can be used, with the appropriate flags, to view the BOS installation output files?()
第5题:
An administrator suspects that an incorrect POTS line is carrying the DSL signal. Which of thefollowing will help diagnose this issue?()
第6题:
An administrator is using a protocol analyzer to monitor traffic between two servers. However, the only traffic that appears is broadcast and traffic originating from the administrator's PC. Which of the following devices is the administrator plugged into? ()
第7题:
A System p administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect. Which of the following commands can be used to determine the block size of the backup tape ()
第8题:
A system administrator is monitoring a system that has recently shown a decrease in performance. The administrator suspects there is an overload of traffic on a single Ethernet adapter. Which of the following commands is best to identify a possible overload of the Ethernet adapter?()
第9题:
A system administrator is monitoring a system that has recently shown a decrease in performance.The administrator suspects that the system may be low on memory and may be paging excessively.Which of the following commands is best to identify a possible paging problem?()
第10题:
ps -ef -t8
sar -u -p 8
vmstat -t 8
topas -p8 -n0 -d0
第11题:
syslog server
GUI interface
CLI
text editor
TFTP server
第12题:
iostat
netstat
ps
vmstat
第13题:
A system administrator is trying to troubleshoot company wide email problems that may be related to DNS. Which of the following network tools would be MOST useful to determine if it is a DNS issue?()
第14题:
A system administrator just completed an AIX installation but suspects that not all filesets installed completely. Which command should be run to verify that all filesets are completely installed?()
第15题:
Performance monitoring of a poorly performing system indicates a high level of CPU usage. Which tool can be used to help identify which processes are using excessive CPU resources?()
第16题:
Which of the following is the LAST step an administrator should take when troubleshooting an issue?()
第17题:
A server administrator implements a solution that should fix an issue. Which of the following should the administrator do NEXT in the troubleshooting process?()
第18题:
An administrator just completed an AIX installation but suspects that not all filesets installed completely. Which of the following commands would verify that all filesets are completely installed()
第19题:
A system administrator is attempting to restore some files from a backup tape. The restore failed. The system administrator suspects the block size of the tape drive is incorrect. Which of the following commands can be used to determine the block size of the backup tape?()
第20题:
A system administrator has a server that is performing poorly. The vmstat command identifies that high CPU usage is the problem. Which of the following commands can be used to identify the eight most active processes running on the server?()
第21题:
CPU
Memory
Paging space
Disk capacityX
第22题:
Increase physical disk
Increase number of CPU’s
Increase physical memory
Increase number of servers
第23题:
vmtune -M
svmon -m
vmstat -s
schedtune -m
第24题:
sar
topas
iostat
vmstat