CMS专题
单选题During a system administrator attempt to boot a server in normal mode, the boot process displays LED 299 and Led 201 and then stops. The LED 201 indicates that a ROS init or checkstop was detected. Which of the following options is the most probable ca
题目
A corrupted JFS log device
A corrupted boot logical volume
An incorrect rc.boot entry in /etc/inittab file
A problem initializing paging space
参考答案和解析
相似问题和答案
第1题：
A.The server will boot from cd0
B.The server will boot from hdisk0
C.The server will boot into SMS mode
D.The server will boot from hdisk1
第2题：
A. Flash,TFTP server,ROM
B. Flash,NVRAM,ROM
C. ROM,NVRAM,TFTP server
D. NVRAM,TFTP server,ROM
E. TFTP server,Flash,NVRAM
第3题：
During startup, router VE1 displays the following error message:
boot: cannot open "flash:"
What will VE1 do next?
A. It will attempt to locate the configuration file from a TFTP server. If this fails, it will initiate the setup dialog.
B. It will attempt to locate the IOS from a TFTP server. If this fails, it will load a limited IOS from ROM.
C. It will attempt to locate the configuration file from a TFTP server. If this fails, it will load a limited configuration from ROM.
D. Because of damaged flash memory, the router will fail the POST.
E. It will attempt to locate the IOS from a TFTP server. If this fails, it will initiate the setup dialog.
F. None of the above
B 解析：Explanation:
The boot sequence of a Cisco router is shown below:
Booting up the router and locating the Cisco IOS
1. POST (power on self test)
2. Bootstrap code executed
3. Check Configuration Register value (NVRAM) which can be modified using the config-register command
0 = ROM Monitor mode
1 = ROM IOS
2 - 15 = startup-config in NVRAM
4. Startup-config file: Check for boot system commands (NVRAM)
If boot system commands in startup-config
a. Run boot system commands in order they appear in startup-config to locate the IOS
b. [If boot system commands fail, use default fallback sequence to locate the IOS (Flash, TFTP, ROM)?]
If no boot system commands in startup-config use the default fallback sequence in locating the IOS:
a. Flash (sequential)
b. TFTP server (netboot)
c. ROM (partial IOS) or keep retrying TFTP depending upon router model
5. If IOS is loaded, but there is no startup-config file, the router will use the default fallback sequence for locating the IOS and then it will enter setup mode or the setup dialogue.
6. If no IOS can be loaded, the router will get the partial IOS version from ROM
第4题：
Several reports are logged stating that an application server is performing slowly. During the investigation， the administrator notices that the hard drives on the server appear to have a high level ofactivity. Which items should the administrator monitor using performance monitoring tools？ （）
- A、 Page File
- B、 Disk Utilization
- C、 System Temperature
- D、 Processor Utilization
- E、 Network Utilization
正确答案:A,B
第5题：
During startup, the router displays the following error message: boot: cannot open "flash:" What will the router do next（）。
- A、Because of damaged flash memory, the router will fail the POST.
- B、It will attempt to locate the IOS from a TFTP server. If this fails, it will initiate the setup dialog.
- C、It will attempt to locate the IOS from a TFTP server. If this fails, it will load a limited IOS from ROM.
- D、It will attempt to locate the configuration file from a TFTP server. If this fails, it will initiate the setup dialog.
- E、It will attempt to locate the configuration file from a TFTP server. If this fails, it will load a limited configuration from ROM.
正确答案:C
第6题：
During the boot sequence, a Ezonexam 2800 series router needs to locate and load an operating system. What is the default order the router uses to find an operating system?
A．ROM, TFTP server, Flash
B．Flash, TFTP server, ROM
C．Flash, NVRAM, TFTP server
D．Flash, ROM, TFTP server
E．Flash, TFTP server, RAM
解析：Explanation:BootinguptheRouter:CiscorouterscanbootCiscoIOSsoftwarefromtheselocations:1.Flashmemory2.TFTPserver3.ROM(notfullCiscoIOS)Multiplesourceoptionsprovideflexibilityandfallbackalternatives.
第7题：
During startup, the router displays the following error message: boot: cannot open "flash:" What will the router do next?（）
- A、Because of damaged flash memory， the router will fail the POST
- B、It will attempt to locate the IOS from a TFTP server. If this fails， it will initiate the setup dialog.
- C、It will attempt to locate the IOS from a TFTP server. If this fails， it will load a limited IOS from ROM
- D、It will attempt to locate the configuration file from a TFTP server. If this fails， it will initiate the setup dialog.
- E、It will attempt to locate the configuration file from a TFTP server. If this fails， it will load a limited configuration from ROM
正确答案:C
第8题：
A. show system boot-messages
B. show chassis messages
C. show file system boot-messages
D. show boot-log messages
第9题：
There are no boot system commands in arouter configuration in NVRAM.What is the fallback sequence that router will use to find an ios during reload?（）
- A、Flash,TFTPserver,ROM
- B、Flash,NVRAM,ROM
- C、ROM,NVRAM,TFTP server
- D、NVRAM,TFTP server,ROM
- E、TFTP server,Flash,NVRAM
正确答案:A
第10题：
During a system administrator attempt to boot a server in normal mode, the boot process displays LED 299 and Led 201 and then stops. The LED 201 indicates that a ROS init or checkstop was detected. Which of the following options is the most probable cause?（）
- A、A corrupted JFS log device
- B、A corrupted boot logical volume
- C、An incorrect rc.boot entry in /etc/inittab file
- D、A problem initializing paging space
正确答案:B