[单项选择]A dry cleaner is having issues with their computer overheating. Which of the following preventive maintenance techniques would be the BEST short-term resolution to the problem?（）
A. Update the firmware on the machine to accommodate for higher temperatures.
B. Use Disk Cleanup and Defrag to keep the machine from working as hard.
C. Use a can of compressed air to clean out blocked ventilation.
D. Relocate the machine to a cooler part of the building.

[单项选择]A workstation is having connectivity issues when being added to the domain. Which of the following commands would allow the administrator to see the DNS and WINS servers that are currently configured for the workstation?（）
A. Ipconfig
B. Nslookup
C. Netstat
D. Nbtstat

[单项选择]Your network contains a computer named Computer1 that runs Windows 7.You need to verify if Computer1 has active DirectAccess connections to the network.What should you do？（）
A. From Network Connections, right-click the active network connection, and then click Status.
B. From Network Connections, select the active network connection, and then click Diagnose this connection.
C. From Windows Firewall with Advanced Security, click Monitoring, and then click Connection Security Rules.
D. From Windows Firewall with Advanced Security, click Monitoring, click Security Associations, and then click Main Mode.

[单项选择]Your network contains a computer named Computer1. Computer1 is assigned an IP address of 39 / 84 192.168.1.112/26.Your companys corporate policy states that the first usable address in each subnet is allocated to the default gateway.You need to configure the default gateway for Computer1.Which address should you choose？（）
A. 192.168.1.1
B. 192.168.1.63
C. 192.168.1.65
D. 192.168.1.93

[单项选择]About the computer towns and the computer clubs, David Tebutte thinks that______
A. it is just to take trouble to see the two working side by side
B. the computer towns are more important than the computer clubs
C. they can complement each other but there is great difference between
D. the computer clubs are as important as the computer towns

[单项选择]A （）computer is a personal computer whose hardware is capable of using any or all of the following media in a program: audio, text, graphics, video and animation.
A. database
B. multimedia
C. network
D. mainframes

[单项选择]Air cleaner的中文含义是（）。
A. 空气滤清器
B. 机油滤清器
C. 柴油滤清器
D. 汽油滤清器

[多项选择]You are experiencing intermittent issues relating to congestion with your network.What are the possible causes of congestion on a LAN?（）
A. A broadcast domain with too many hosts.
B. Full duplex operation.
C. Broadcast storms.
D. Multicasting.
E. Network Segmentation.
F. Low bandwidth.

[单项选择]We have our house（）every week by a cleaner.
A. clean
B. cleaned
C. cleaning
D. to clean

[单项选择]Having taken our seats,
A. the professor began the lecture
B. the lecture began in no time
C. we were attracted by the lecturer immediately
D. the bell announced the beginning of the lecture

[单项选择]Web users are reporting issues downloading various types of media. Which of the following shouldthe administrator do FIRST?（）
A. Find out what has recently changed on the network
B. Create an action plan and solution identifying potential effects.
C. Continue to gather information and see what other problems may exist.
D. Determine the most probable cause.

[单项选择]When troubleshooting hardware issues with a server, which of the following is MOST likely to cause a problem in receiving vendor support?（）
A. Third party cables
B. Third party memory
C. Signed drivers
D. Server type

[多项选择] While troubleshooting connectivity issues, you log into a remote router. From there,you wish to see the layer 1 and layer 2 status of the interface. Which of the following IOS commands would you issue to check the current IP addressing, as well as theyer 1 and layer 2 status of an interface?（）
A. TK1# show version
B. TK1# show protocols
C. TK1# show interfaces
D. TK1# show controllers
E. TK1# show ip interface
F. TK1# show startup-config

[多项选择]While troubleshooting some connectivity issues，you issue the “show ip ospf database”in order to ex amine the link state database. Which three of the statements below are true regarding the OSPF link state database（）
A. Each router has an identical link state database.
B. External routes are imported into a separate link state database.
C. Syn chronization of link state databases is maintained via floodingo f LSAs.
D. Information in the link state database is used to build a routing table by calculating a shortest-path tree.
E. By default,link state databases are refreshede very 10 minutes in the absence of topology changes.

[单项选择]Small green plants are very important to dry places because ______.

[单项选择]The television coverage of human rights issues has all the effects except ______.
A. reduction in the cases of human rights violation
B. increased control over the media in some countries
C. increased respect for different cultures and attitudes
D. heightened international concern over human rights abuses

[单项选择]

The Internet raises major issues and challenges for education, not just in China but ail over the world. Yet it simply cannot be ignored in terms of the opportunities and resources that it can offer. We can divide the main issues facing education systems into three groups--access, quality and responsibility. Let us consider the Internet in relation to each of them. First, access. Through the Internet, practically the whole world can be brought into your classroom. Using e-mail makes it possible to have a class whose members are spread all over the world and who may never meet either the teacher or each other face to face. It can put students in different countries in easy contact. The information resources available are almost limitless. With the Internet, students and teachers can access the wisdom, experience, skills, and even guidance of others in a way that was only possible for a very privileged few. Next, quality. The Internet does pose serious problems of quality for educa
A. communities
B. governments
C. schools
D. researching groups