单项选择题
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/netsvc.conf
hosts = bind,nis,local
#echo $NSORDER
local,bind
A. /etc/hosts on server 192.9.201.2
B. /etc/hosts on the local system
C. /etc/named.rev on 192.9.201.1
D. /etc/netsvc.conf on the NIS server
相关考题
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单项选择题
AnAIXsystem,whichisrunningadatabase,ishavingperformanceissueswithI/Owriting.TheDBAhasprovidednumbersfortheHIGHandLOWwatermarksforpendingfilewrites,whichwilloptimizethesystemforbestperformance.Tosetthesenumbers,whichofthefollowingcommandswouldbeused?()
A. perfmon -h 30 -l 25
B. chdev
C. no -o
D. smit chgsys -
单项选择题
Inordertoensurebestreadperformance,whichofthefollowingindicateshowlargeanapplication’sreadbuffersizeshouldbeifthefilesystemtobereadisstripedacrossNdisksusingLVMstriping?()
A. N times the stripe unit size
B. N times the VMM minfree parameter
C. The same value as that of the VMM maxfree parameter
D. The same value as that of the VMM maxrndwrt parameter -
单项选择题
ATCP/IPapplicationreceivesfilesfromaremotemachine.Theapplicationreads32kilobytesofdataatatimetothesocket,buthasnotissuedasystemcalltosetthewindowsize.Whichofthefollowingproceduresshouldbeperformedonthepersonalmachinetoincreasethethroughputoftheapplication?()
A. Increase the size of thewall
B. Increase the size of sb_max
C. Increase the size of tcp_recvspace
D. Increase the size of tcp_sendspace
