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After updating serverB’s network configurations， an administrator notices that serverA， which resides in a different subnet， is unable to communicate with serverB via ssh or telnet. As ping’s to the server fail， the administrator logs onto serverB via a console and finds an available interface en0 in the ’up’ state. From the console connection， en0 can communicate with other servers in the same subnet. What is the most likely cause of the problem？（）
- A、en0 has no associated ip address.
- B、serverB is missing its default route.
- C、serverB and serverA cannot connect due to a firewall.
- D、en0 has been set up to block traffic from servers that are in different subnets.
参考答案
更多 “ After updating serverB’s network configurations， an administrator notices that serverA， which resides in a different subnet， is unable to communicate with serverB via ssh or telnet. As ping’s to the server fail， the administrator logs onto serverB via a console and finds an available interface en0 in the ’up’ state. From the console connection， en0 can communicate with other servers in the same subnet. What is the most likely cause of the problem？（）A、en0 has no associated ip address.B、serverB is missing its default route.C、serverB and serverA cannot connect due to a firewall.D、en0 has been set up to block traffic from servers that are in different subnets.” 相关考题
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单选题An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot. Which of the following is the FIRST thing the administrator should check?（）A
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单选题Which of the following procedures should be performed to minimize possible problems for a customer when updating software?（）A
Apply the updates without committing.B
Commit the new updates to be certain there is no change after the next reboot.C
Update one fileset at a time and test to ensure that it works before updating the next fileset.D
No action is necessary since the software can always be uninstalled and re-installed.
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The new server is not PXE-enabled.B
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单选题An administrator notes that after a recent power outage, some open files were corrupted on one affected file server. Which of the following items should the administrator consider to determine the cause of this corruption?（）A
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DeletedB
UnchangedC
SetD
Copied
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