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What information is displayed by the command cat/proc/dma？（）

题目
单选题
What information is displayed by the command cat/proc/dma？（）
A

 whether DMA is enabled

B

 which DMA channels are in use

C

 which DMA mode is in use

D

 general information about DMA on the machine

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相似问题和答案

第1题：

为了查看Linux启动信息，可以用()命令

A.cat/etc/lilo.conf

B.dmesg

C.cat/proc/cpuinfo

D.lilo


正确答案：B

第2题：

At which layer of the OSI model does the protocol that provides the information displayed by the "show cdp neighbors" command operate?

A．Transport

B．Physical

C．Application

D．Data link

E．Network


正确答案：D
解析：Explanation:
CDP is a device discovery protocol that runs over Layer 2 (the data link layer) on all Cisco-manufactured devices (routers, bridges, access servers, and switches) and allows network management applications to discover Cisco devices that are neighbors of already known devices. With CDP, network management applications can learn the device type and the Simple Network Management Protocol (SNMP) agent address of neighboring devices running lower-layer, transparent protocols.

第3题：

在哪个文件中定义网卡的I/O地址()。

A.cat/proc/modules

B.cat/proc/devices

C.cat/proc/ioports

D.cat/io/dma


正确答案：C

第4题：

用下列（）命令查看Linux使用了多少内存

  • A、cat/proc/meminfo
  • B、cat/bin/meminfo
  • C、vi/proc/meminfo
  • D、vi/user/local/meminfo

正确答案:A

第5题：

AcustomerhasasystemwithanumberofLPARs,oneofwhichisrunningasupportedversionofLinux.WhichCLIcommandcananadministratorusetodisplaytheCPUandmemoryresourceallocationoftheLinuxpartition?()

A.cat/proc/usr/lparchk

B.cat/proc/ppc64/lparcfg

C./var/adm/tools/res_list

D./var/adm/tools/lparalloc


参考答案：B

第6题：

用下列()命令查看Linux使用了多少内存

A.cat/proc/meminfo

B.cat/bin/meminfo

C.vi/proc/meminfo

D.vi/user/local/meminfo


正确答案：A

第7题：

Whatinformationisdisplayedbythecommandcat／proc／dma?()

A.whetherDMAisenabled

B.whichDMAchannelsareinuse

C.whichDMAmodeisinuse

D.generalinformationaboutDMAonthemachine


参考答案：A

第8题：

下面哪个命令可以查看网卡的中断()。

A.cat/proc/ioports

B.cat/proc/interrupts

C.cat/proc/memoryinfo

D.which interrupts


正确答案：B

第9题：

Refer to the exhibit. IP multicast configuration changes have been made on several routers.However, the IP multicast table displayed in the exhibit still does not reflect the changes. What should be done to display the new routing table information? （）

A. Issue the clear ip route * privileged EXEC command.

B. Issue the clear ip igmp group privileged EXEC command.

C. Issue the no ip mroute - cache privileged EXEC command.

D. Issue the clear ip mroute privileged EXEC command.


参考答案：D

第10题：

为了查看Linux启动信息，可以用（）命令

  • A、cat/etc/lilo.conf
  • B、dmesg
  • C、cat/proc/cpuinfo
  • D、lilo

正确答案:B

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