单选题A customer wants to have employees work from remote locations as well as in the office. All communications must be secure and files must be protected from access by unauthorized people. The employee’s applications （database inserts and reads） are onl

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单选题

A customer wants to have employees work from remote locations as well as in the office. All communications must be secure and files must be protected from access by unauthorized people. The employee’s applications （database inserts and reads） are only accessed with a web browser. Which of the following capabilities is necessary？（）

SSL

PGP

File encryption program

Public key encryption

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第1题：

Click the Exhibit button and examine the data in the EMPLOYEES table.Which three subqueries work? ()

A.SELECT * FROM employees where salary > (SELECT MIN(salary) FROM employees GROUP BY department_id);

B.SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department_id);

C.SELECT distinct department_id FROM employees WHERE salary > ANY (SELECT AVG(salary) FROM employees GROUP BY department_id);

D.SELECT department_id FROM employees WHERE salary > ALL (SELECT AVG(salary) FROM employees GROUP BY department_id);

E.SELECT last_name FROM employees WHERE salary > ANY (SELECT MAX(salary) FROM employees GROUP BY department_id);

F.SELECT department_id FROM employees WHERE salary > ALL (SELECT AVG(salary) FROM employees GROUP BY AVG(SALARY));

参考答案：C, D, E

第2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 beacon rate is 10 seconds and you have discovered an issue with the RFID timeoutvalue. Where and how should the RFID value be changed？（）

A、on the Cisco WCS， to 95 seconds
B、on the wireless controller， to 45 seconds
C、on the wireless controller， to 95 seconds
D、on the Cisco WCS， to 45 seconds

正确答案:C

第3题：

It is ( )work of art that everyone wants to have a look at it.

A、such an unusual

B、so an unusual

C、such unusual

D、so unusual

参考答案：A

第4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 WCS
B、access point
C、location manager
D、wireless controller

正确答案:D

第5题：

A customer wants to send JMS messages to a remote WebLogic server from a Java SE application over an unreliable network connection. Which feature of WebLogic JMS will enable the customer to send messages from a Java SE client to a JMS destination that is not always easily reached?（）

A、SAF Target
B、SAF Imported Destination
C、SAF Client
D、SAF Server
E、Distributed SAF JMS

正确答案:C

第6题：

The employees?more enthusiastic about their work since their pay rose．

A.Are
B.have been
C.Were
D.will be

答案：B

解析：

【考情点拨】考查时态。
【应试指导】句意：自从涨了工资，员工们工作起来更有热情了。since表示“自从……”，出现在句中时．主句要用完成时，故选B。

第7题：

Which of the following devices would be installed if an administrator wants to control a group of servers from a remote location？（）

A、 VLAN
B、 KVM
C、 IP KVM
D、 RAID

正确答案:C

第8题：

Examine the data in the EMPLOYEES table:Which three subqueries work? ()

A. SELECT * FROM employees where salary > (SELECT MIN(salary) FROM employees GROUP BY department _ id);

B. SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department _ id);

C. SELECT distinct department_id FROM employees Where salary > ANY (SELECT AVG(salary) FROM employees GROUP BY department _ id);

D. SELECT department_id FROM employees WHERE SALARY > ALL (SELECT AVG(salary) FROM employees GROUP BY department _ id);

E. SELECT last_name FROM employees Where salary > ANY (SELECT MAX(salary) FROM employees GROUP BY department _ id);

F. SELECT department_id FROM employees WHERE salary > ALL (SELECT AVG(salary) FROM employees GROUP BY ANG (SALARY));

参考答案：C, D, E

第9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 rfid tags. you use an access point scan to determine if the location appliance has been deployed correctly. Making which change to warehouse deployment location services will most likely correct the problem？（）

A、ensure channels are deployed such that they do not overlap
B、allow for the automatic containment of rogue access points
C、ensure each area is covered by a minimum of three access points
D、ensure a minimum rssi value of -50

正确答案:C

第10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 point
B、location manager
C、wireless controller
D、cisco wcs

正确答案:C

A customer wants to have employees work from remote location

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