[单项选择]A technician needs to install additional access points for a new high speed connection being added in the new office space. Which of the following will MOST likely be installed to allow additional CAT5 cable connections?（）
A. Smart Jack
B. Demarc
C. 110 Block
D. 66 Block

[单项选择]A technician temporarily needs an additional network connection in their office to test a newworkstation. Which of the following is the BEST solution to add a temporary network connection?（）
A. Install a small network switch
B. Use port mirroring on the switch
C. Split the pairs of the existing jack
D. Install a CSU/DSU

[单项选择]A technician is dispatched to install additional RAM in a computer. The technician unplugs thesystem from the power source, and removes the cover of the PC. Which of the following shouldthe technician do NEXT?（）
A. Update the BIOS for compatibility.
B. Put on an ESD strap.
C. Use an anti-static bag to hold the RAM while installing.
D. Clean out the PC with compressed air.

[单项选择]A user wants to install a new game and needs to make sure the proper version of DirectX isinstalled. Which of the following is the BEST way to check for the DirectX version?（）
A. REGEDIT
B. services.msc
C. Dxdiag
D. msconfig

[单项选择]A technician needs a wireless access point to cover most of the office. Which of the following should the technician perform FIRST to achieve this? （）
A. Change the radio channel
B. Apply MAC address filter
C. Determine placement
D. Reduce radio power level

[单项选择] A client needs to be able to install a new local printer, but does not currently have permission to do so. Which of the following is the BEST user group to put the client in, to allow the printer to be installed?（）
A. Power Users
B. Users
C. Backup Users
D. Guest

[单项选择]A customer, Bob, needs to be able to access the Internet while traveling. Which of the following could Jill, a technician, recommend to Bob?（）
A. Cellular service with an adapter for Bob’s laptop.
B. USB adapter with 802.11n capabilities for maximum speeds.
C. A Bluetooth card to attach to multiple networks.
D. Enable Wi-Fi so Bob can connect to any open network.

[多项选择]A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem? (Choose three.) （）
A. mismatched TKIP encryption  
B. null SSID  
C. cordless phones 
D. mismatched SSID  
E. metal file cabinets
F. antenna type or direction 

[单项选择] A new employee needs access to a SQL Server 2005 database that is located on a server named SQL1. You create a login named ajones by using the following Transact-SQL statement. CREATE LOGIN ajones WITH PASSWORD = ’SQLServer$1’ The new employee reports that when he logs in， he receives the following error message： "Login failed. The user is not associated with a trusted SQL Server connection." You need to resolve the error and allow the new employee to gain access to SQL1. What should you do？（）
A. Change the SQL Server security mode from Windows Authentication mode to SQL Server and Windows authentication mode.
B. Change the SQL Server security mode from SQL Server and Windows Authentication mode to Windows authentication mode.
C. Ensure that the login name is created with square brackets （[]）.
D. Give the login access to a specific database by using the CREATE USER Transact-SQL statement.

[单项选择] Saul needs access to files that are in the Accounting folder on his computer. A local group named accounting is granted full control permission to the accounting folder and the files within it. Saul is a member of the accounting local group but he cannot access the files that he needs.  What should you do？（）
A. Grant Saul NTFS permission so that he can access any parent folder or files in the shared sales folder.
B. Share the Sales folder and grant Saul shared folder permission to access the shared sales folder.
C. Remove Saul from any other groups that have been explicitly denied access to the accounting folder.
D. Delete the Sales local group and recreate， add individual user accounts from the sales department back into sales local group.

[单项选择]Saul needs access to files that are in the Accounting folder on his computer. A local group named accounting is granted full control permission to the accounting folder and the files within it. Saul is a member of the accounting local group but he cannot access the files that he needs. What should you do？（）
A. Grant Saul NTFS permission so that he can access any parent folder or files in the shared sales folder.
B. Share the Sales folder and grant Saul shared folder permission to access the shared sales folder.
C. Remove Saul from any other groups that have been explicitly denied access to the accounting folder.
D. Delete the Sales local group and recreate， add individual user accounts from the sales department back into sales local group.

[名词解释]PO膜

[判断题]在电场中某点分别放置电量为P_O、2P_O、3P_O的检验电荷，该点的场强就会变化，移去检验电荷，该点的场强变为零。（）

[判断题]KH₂PO₄水溶液的质子条件式为：[H⁺]+[H₃PO₄]=[H₂PO₄^-]+[HPO₄^2-]+2[PO₄^3-]+[OH^-]。

[单项选择]The door over there needs
A. painted
B. painting
C. has painted
D. paint

[单项选择]The bedroom needs（）
A. decorating
B. to decorate
C. decorate
D. decorated

[单项选择]Although customers keep complaining about their poor service, they've made no ______ to make any improvement.

[单项选择]Although customers keep complaining about their Poor service, they've made no ______. to make any improvement.
A. action
B. trial
C. attempt
D. progress