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单选题
After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）
A
Not enough NFS daemons running
B
Too many NFS daemons running
C
nfs_tcp_socketsize is too small
D
nfs_tcp_socketsize is too large
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更多 “单选题After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）A Not enough NFS daemons runningB Too many NFS daemons runningC nfs_tcp_socketsize is too smallD nfs_tcp_socketsize is too large” 相关考题
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In 1964, the writer was born in Berhamsted, Hertfordshire, which was ( ) town to be on the map.
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Which of the following conditions is true concerning a flammable liquid with a concentration above the upper explosive limit?A.The mixture is too lean to burnB.The mixture is too rich to burnC.The vapor is about to explodeD.Conditions are perfect for combustion
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NFS is experiencing name service resolution difficulties. Which command reports the LEAST useful information in trouble-shooting this problem？（）A、nfsstat -sB、lssrc -s namedC、ls -l /etc/resolv.confD、nslookup hostname
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An application or user experiences poor performance， yet examination of the nfsstat -c output indicates no or very few timeouts and retransmits. This means that the client is receiving responses from the server as fast as it is asking for them. What is the first thing to be checked？（）A、There is an appropriate number of NFS daemons running on the server machineB、There is an appropriate number of biod daemons running on the client machineC、The server is not CPU boundD、There is an appropriate number of biod daemons running on the server machine
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Which of the following commands will reset NFS options to their defaults？（）A、 nfso -dB、 nfso -cC、 startsrc -g nfs -dD、 startsrc -g nfs -r
考题
After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）A、 Not enough NFS daemons runningB、 Too many NFS daemons runningC、 nfs_tcp_socketsize is too smallD、 nfs_tcp_socketsize is too large
考题
An administrator has received complaints from users that an application is not available while other applications run. This application resides on an NFS mounted filesystem. Which of the following commands should be run as a reasonable first step to handle this problem？（）A、dfB、showmountC、exportfsD、refresh -g nfs
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After running the vmstat command， which of the following would most likely cause the value in the blocked column to be unusually high？（）A、 Kernel threadB、 Too many usersC、 Memory shortageD、 Network contention
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Which of the following NIS daemons must run on an AIX NIS client machine？（）A、ypbindB、ypservC、ypwhichD、yppasswdd
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Following an unsuccessful cluster fallover test， it is determined that the nfsrg1 resource group was the problem causing the cluster to run the config_too_long evetn. The nfsrg1 resource group contains 10 nfs filesystems that are cross-mounted to the other cluster node. Without modify8ing the time until warning parameters，what can be done to enhance NFS fallover performance？（） A、 Increase the number of NFS daemons for increased performance.B、 Modify the nfsrg1 resource group to use local NFS cross-mounts.C、 Create a second resource group to manage half the NFS cross-mounts.D、 Create post events to handle the cross-mounts after fallover processing.
考题
The nfsstat -c command shows zero badxid， but retrans and timeouts are sizeable， what is the most probable cause of the problem？（）A、 Too many nfsd’s runningB、 Client and server with different buffer sizesC、 Bridges， routers or gateways are receiving too many fragmentated packetsD、 Too few nfsd’s running
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Which command will change the quantity of biod daemons immediately and for each subsequent reboot？（）A、chnfs -b newvalueB、chnfs -N -b newvalueC、chnfs -I -b newvalueD、netstat -s newvalue
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Which of the following NIS daemons must run on an AIX machine configured as an NIS master？（）A、ypbindB、ypservC、ypwhichD、yppasswdd
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You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?（）A、Immediately following statement execution B、After the ALTER TABLE DROP UNUSED COLUMNS command is issued C、After the ALTER TABLE SET UNUSED COLUMN command is issued D、After the ALTER TABLE MODIFY command is issued
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A client cannot mount a filesystem from an NFS server. Which of the following options is the most probable cause for the mount failure？（）A、Server is not running rpc.lockdB、Client is not running the rpc.statdC、Filesystem not exported by the serverD、Client nfsd daemons are all inoperative
考题
单选题After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）A
Not enough NFS daemons runningB
Too many NFS daemons runningC
nfs_tcp_socketsize is too smallD
nfs_tcp_socketsize is too large
考题
单选题After running the vmstat command， which of the following would most likely cause the value in the blocked column to be unusually high？（）A
Kernel threadB
Too many usersC
Memory shortageD
Network contention
考题
单选题As to the bearing, of the following, which statement is not true?（）A
ff overheat is found, the engine must be stopped for inspectionB
Much heat of the crankcase door indicates that the bearing is overheatedC
If bearing clearance is too large, knocking will be heard in the crankcaseD
If bearing clearance is too large or too small, the white metal may be melted
考题
单选题A client cannot mount a filesystem from an NFS server. Which of the following options is the most probable cause for the mount failure？（）A
Server is not running rpc.lockdB
Client is not running the rpc.statdC
Filesystem not exported by the serverD
Client nfsd daemons are all inoperative
考题
单选题Which of the following NIS daemons must run on an AIX NIS client machine？（）A
ypbindB
ypservC
ypwhichD
yppasswdd
考题
单选题Which of the following NIS daemons must run on an AIX machine configured as an NIS master？（）A
ypbindB
ypservC
ypwhichD
yppasswdd
考题
单选题Which command will change the quantity of biod daemons immediately and for each subsequent reboot？（）A
chnfs -b newvalueB
chnfs -N -b newvalueC
chnfs -I -b newvalueD
netstat -s newvalue
考题
单选题Which of the following commands will reset NFS options to their defaults？（）A
nfso -dB
nfso -cC
startsrc -g nfs -dD
startsrc -g nfs -r
考题
单选题The nfsstat -c command shows zero badxid， but retrans and timeouts are sizeable， what is the most probable cause of the problem？（）A
Too many nfsd’s runningB
Client and server with different buffer sizesC
Bridges， routers or gateways are receiving too many fragmentated packetsD
Too few nfsd’s running
考题
单选题An administrator has received complaints from users that an application is not available while other applications run. This application resides on an NFS mounted filesystem. Which of the following commands should be run as a reasonable first step to handle this problem？（）A
dfB
showmountC
exportfsD
refresh -g nfs
考题
单选题Following an unsuccessful cluster fallover test， it is determined that the nfsrg1 resource group was the problem causing the cluster to run the config_too_long evetn. The nfsrg1 resource group contains 10 nfs filesystems that are cross-mounted to the other cluster node. Without modify8ing the time until warning parameters，what can be done to enhance NFS fallover performance？（）A
Increase the number of NFS daemons for increased performance.B
Modify the nfsrg1 resource group to use local NFS cross-mounts.C
Create a second resource group to manage half the NFS cross-mounts.D
Create post events to handle the cross-mounts after fallover processing.
考题
单选题An application or user experiences poor performance， yet examination of the nfsstat -c output indicates no or very few timeouts and retransmits. This means that the client is receiving responses from the server as fast as it is asking for them. What is the first thing to be checked？（）A
There is an appropriate number of NFS daemons running on the server machineB
There is an appropriate number of biod daemons running on the client machineC
The server is not CPU boundD
There is an appropriate number of biod daemons running on the server machine
考题
单选题Which of the following conditions is true concerning a flammable liquid with a concentration above the upper explosive limit?（）A
The mixture is too lean to burnB
The mixture is too rich to burnC
The vapor is about to explodeD
Conditions are perfect for combustion
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