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单选题
Which of the following is a sign that a computer has been infected by a worm?（）
A
Screensaver changed on its own
B
Unauthorized outgoing emails being sent
C
Desktop background changed on its own
D
Left and right mouse buttons have been flipped
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“What have you changed since the optical drive worked properly?”D
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单选题Your customer has deployed a Cisco Wireless Location Appliance within its warehouse environment. However，employees there have been experiencing problems when tracking objects using active RFIDtags. The RFID tag data is not being collected. On which device would you verify that RFIDs have beenenabled？（）A
Cisco WCSB
access pointC
location managerD
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单选题Yours truly，customer has deployed a cisco wireless location appliance within its warehouse environment. however， employees there have been experiencing problems when tracking objects using active rfid tags. the rfid tag data is not being collected. On which device would you verify that rfids have been enabled？（）A
access pointB
location managerC
wireless controllerD
cisco wcs
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单选题Which of the following is the best version of sentences 10 and 11 (reproduced below) ?It is easy to see why this disease has been dismissed and ignored. Its because of it’s vagueness and mystery.A
This disease has been dismissed and ignored because of its vagueness and mystery.B
It is easy to see why this disease has been dismissed and ignored. It’s because of the vagueness and the mystery.C
Vagueness and mystery dismiss and ignore this disease.D
Why this disease has been dismissed and ignored is because of its vagueness and mystery.E
It is easy for you to see why this disease has been dismissed and ignored. It is because of the vagueness and mystery.
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单选题Which is the correct description of a pinned buffer in the database buffer cache（）A
The buffer is currently being accessed.B
The buffer is empty and has not been used.C
The contents of the buffer have changed and must be flushed to the disk by the DBWn process. D
The buffer is a candidate for immediate aging out and its contents are synchronized with the block contents on the disk.
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单选题A user is trying to use Remote Desktop to connect to another computer on the LAN. Theconnection fails. The technician opens up a command prompt and types the following: “telnetcomputernamE. 3389” and also gets the same error message. Which of the following is the MOSTlikely cause of this error, assuming that the OS firewall has been disabled?（）A
The antivirus software is blocking the incoming connection.B
The ISP is blocking Remote Desktop at their end.C
The RDP connection has been configured to use a non-standard port.D
The telnet service has not been installed.
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单选题Your customer has deployed a Cisco Wireless Location Appliance within its warehouseenvironment. However， employees there have been experiencing problems when tracking objects using activeRFID tags.The RFID tag data is not being collected. On which device would you verify that RFIDs have been enabled？（）A
access pointB
location managerC
wireless controllerD
Cisco WCS
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