单选题After issuing the nfsstat -rs command， the null received column starts to grow. This indicates which of the following conditions？（）ANot enough NFS daemons runningBToo many NFS daemons runningCnfs_tcp_socketsize is too smallDnfs_tcp_socketsize is too la

题目
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

相似考题

1.In 1964, the writer was born in Berhamsted, Hertfordshire, which was ( ) town to be on the map.A、too small aB、too a smallC、such a smallD、a so small

2.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

3.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

4.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

参考答案和解析
正确答案： C
解析： 暂无解析
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 i”相关问题

  • 第1题：

    Which of the following commands will reset NFS options to their defaults？（）

    • A、 nfso -d
    • B、 nfso -c
    • C、 startsrc -g nfs -d
    • D、 startsrc -g nfs -r

    正确答案:A

  • 第2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、df
    • B、showmount
    • C、exportfs
    • D、refresh -g nfs

    正确答案:A

  • 第3题：

    Which of the following NIS daemons must run on an AIX NIS client machine？（）

    • A、ypbind
    • B、ypserv
    • C、ypwhich
    • D、yppasswdd

    正确答案:A

  • 第4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 running
    • B、 Client and server with different buffer sizes
    • C、 Bridges， routers or gateways are receiving too many fragmentated packets
    • D、 Too few nfsd’s running

    正确答案:B

  • 第5题：

    Which of the following NIS daemons must run on an AIX machine configured as an NIS master？（）

    • A、ypbind
    • B、ypserv
    • C、ypwhich
    • D、yppasswdd

    正确答案:B

  • 第6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.lockd
    • B、Client is not running the rpc.statd
    • C、Filesystem not exported by the server
    • D、Client nfsd daemons are all inoperative

    正确答案:C

  • 第7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 thread

    B

     Too many users

    C

     Memory shortage

    D

     Network contention


    正确答案： C
    解析： 暂无解析

  • 第8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.lockd

    B

    Client is not running the rpc.statd

    C

    Filesystem not exported by the server

    D

    Client nfsd daemons are all inoperative


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    Which of the following NIS daemons must run on an AIX machine configured as an NIS master？（）
    A

    ypbind

    B

    ypserv

    C

    ypwhich

    D

    yppasswdd


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Which of the following commands will reset NFS options to their defaults？（）
    A

     nfso -d

    B

     nfso -c

    C

     startsrc -g nfs -d

    D

     startsrc -g nfs -r


    正确答案： D
    解析： 暂无解析

  • 第11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

    df

    B

    showmount

    C

    exportfs

    D

    refresh -g nfs


    正确答案： C
    解析： 暂无解析

  • 第12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 machine

    B

    There is an appropriate number of biod daemons running on the client machine

    C

    The server is not CPU bound

    D

    There is an appropriate number of biod daemons running on the server machine


    正确答案： D
    解析： 暂无解析

  • 第13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

    正确答案:B

  • 第14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 thread
    • B、 Too many users
    • C、 Memory shortage
    • D、 Network contention

    正确答案:A

  • 第15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.

    正确答案:B

  • 第16题：

    Which command will change the quantity of biod daemons immediately and for each subsequent reboot？（）

    • A、chnfs -b newvalue
    • B、chnfs -N -b newvalue
    • C、chnfs -I -b newvalue
    • D、netstat -s newvalue

    正确答案:A

  • 第17题：

    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

    正确答案:B

  • 第18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 running

    B

     Too many NFS daemons running

    C

     nfs_tcp_socketsize is too small

    D

     nfs_tcp_socketsize is too large


    正确答案： B
    解析： 暂无解析

  • 第19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 inspection

    B

    Much heat of the crankcase door indicates that the bearing is overheated

    C

    If bearing clearance is too large, knocking will be heard in the crankcase

    D

    If bearing clearance is too large or too small, the white metal may be melted


    正确答案： B
    解析： 暂无解析

  • 第20题：

    单选题
    Which of the following NIS daemons must run on an AIX NIS client machine？（）
    A

    ypbind

    B

    ypserv

    C

    ypwhich

    D

    yppasswdd


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    Which command will change the quantity of biod daemons immediately and for each subsequent reboot？（）
    A

    chnfs -b newvalue

    B

    chnfs -N -b newvalue

    C

    chnfs -I -b newvalue

    D

    netstat -s newvalue


    正确答案： C
    解析： 暂无解析

  • 第22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 running

    B

     Client and server with different buffer sizes

    C

     Bridges， routers or gateways are receiving too many fragmentated packets

    D

     Too few nfsd’s running


    正确答案： D
    解析： 暂无解析

  • 第23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.


    正确答案： B
    解析： 暂无解析

  • 第24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 burn

    B

    The mixture is too rich to burn

    C

    The vapor is about to explode

    D

    Conditions are perfect for combustion


    正确答案： C
    解析： 暂无解析

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