当前分类: IBM(000-234)
问题:单选题A TCP/IP application is transferring files from a personal machine to a remote machine. The application writes 32 kilobytes of data at a time to the socket, but has not issued a system call to set the window size. Which of the following procedures sh...
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问题:单选题When analyzing disk I/O performance, which of the following metrics and/or statistics should be included in the study?()A Disk size, stock availability, VHDCIB Disk size, distance, temperature, and compatibilityC Disk fragmentation, MTBF, and mainte...
问题:Which of the following options would best help to reduce pac...
问题:单选题Which of the following commands is most useful in initially collecting data to determine a network performance problem?()A pingB traceC ifconfigD lsattr...
问题:单选题Using the schedtune output, memory is considered over-committed if:()A more than one process is spinning.B more than 4 processes become active.C the system schedules more than 16 processes.D the pageouts divided by page steals is greater than 1...
问题:单选题Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound?()A % idleB % sysC % userD % iowait...
问题:单选题Which of the following commands should be used to report statistics on network protocols used by the system?()A lsattrB pstatC netstatD ifconfig...
问题:单选题Which of the following performance tools can be used to determine if a system is thrashing?()A svmon and tprofB vmtune and schedtuneC ps and schedtuneD vmstat and topas...
问题:单选题The system administrator notices that after running netstat -rn, several small c’s are showing up under the flags columns, and routes that were not defined are also showing up. How can these cloned routes be stopped?()A By default cloned routes are tu...
问题:单选题An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low. Which of the following commands is used to reset the level?()A vmtune -wB s...
问题:单选题Which of the following commands is used to adjust the minperm and Maxperm values of real memory to 4% and 80%?()A vmtune -N4 -M80B vmtune -f4 -F80C vmtune -l4 -L80D vmtune -p4 -P80...
问题:单选题Which of the following commands is run to adjust the number of free paging-space pages at which AIX begins killing processes?()A schedtuneB rmssC rmpsD vmtune...
问题:单选题Which of the following commands will only provide a snapshot of average memory usage for a process?()A vmtuneB ps auC iostatD rmss -m...
问题:单选题Which tool is based on the AIX trace facility?()A noB netpmonC entstatD nfso...
问题:单选题Given the following on a system that is not a name server, which will be the first area searched to resolve a host name to an IP address?() #cat /etc/resolv.conf domain abc.century.com nameserver 192.9.201.1 nameserver 192.9.201.2 #cat /etc/net...
问题:单选题In AIX 5L and later, the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem?()A It is a pseudo filesystem that maps processes and kernel data structures to corresponding files.B It is a JFS moun...
问题:单选题Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound?()A tinB toutC % idleD % tm_act...
问题:单选题Which command series should be used to determine whether file paging or paging space paging is a problem when running a program from an idle system?()A foo ; lsps -sB tprof -kx ; fooC iostat ; foo ; iostatD vmstat -s ; foo ; vmstat s...
问题:单选题In an iostat report, which of the following options best describes the value of % tm_act?()A The total CPU usage for this driveB The bandwidth utilization of the indicated driveC It can best be represented by the equation (%iowait - %ioidle)D It ca...