单选题Which of the following needs to be recycled due to dangerous amounts of gas contained inside its housing？（）A CRTB TonerC Surge suppressorD LCD

第1题：

第2题：

Which of the following concerning natural gas is NOT true？( )

A.It was not favored in the past.
B.It is easily affected by the change of the climate.
C.People are beginning to realize its value.
D.It is increasingly cheaper to be liquefied.

答案：B

解析：

第3题：

第4题：

A laptop LCD screen needs to be replaced. Which of the following tools would be BEST used toopen the case?（）

• A、Flathead screwdriver
• B、Plastic shim
• C、Metal shim
• D、Pliers

第5题：

A technician replaces a user’s 15 inch LCD with a 20 inch LCD. Later, the user informs thetechnician that icons are very large and the text on the monitor is fuzzy and distorted. Which of the following is MOST likely the cause?（）

• A、The contrast setting needs to be raised from the default.
• B、The monitor firmware was not updated.
• C、The new monitor has a different native resolution.
• D、The monitor needs to be degaussed to clarify the picture.

第6题：

第7题：

Which of the following is included in the typical laser printer maintenance kit?（）

• A、Print head
• B、Toner
• C、Fuser
• D、Main drive assembly
• E、Pickup rollers

第8题：

第9题：

Which of the following should be avoided when installing a laser printer?（）

• A、Surge protector
• B、UPS
• C、RJ-45 connector
• D、Toner

第10题：

An operator needs to change from the /usr/bin to the /var/spool directory. Which of the following commands will accomplish this?（）

• A、cd /var/spool
• B、lcd /var/spool
• C、cd /usr/bin /var/spool
• D、lcd /usr/bin /var/spool