Chapter 13

1

Which portable connection provides the user with the possibility of high-speed Internet connectivity? cable cellular dial-up DSL mobile LAN

2When troubleshooting, which two actions are expected to be carried out immediately after resolving any type of failure? (Choos Show the client how they alone are responsible for the failure. Train the client how to fix the problem themselves. Complete all relevant documentation. Discuss the results with the customer. Present the client with an itemized bill.

3

The design department recently doubled the RAM capacity in all of the laptops. After the upgrade, the laptop users reported experiencing improved performance. Which operational benefit have the users noticed after the RAM increase? The CPU reduces the number of operations by cycle. The BIOS can use more RAM for I/O buffer space. The CPU is now able to implement throttling. The hard disk swap file is read less frequently. The hard disk partitions are automatically extended. 4Which IEEE 802.11 standard uses only 5 GHz technology? 802.11a 802.11b 802.11g 802.11x

5

Refer to the exhibit. Which type of connection is being established between the PDA and the infrared keyboard? visible line-of-sight reflective close proximity 6Why should care be taken when charging and handling a laptop battery? It contains toxic material that can leak if mishandled. A laptop battery is delicate and breaks easily. Laptop batteries can explode if mishandled or improperly charged. It is against the law to mishandle a laptop battery.

7

Which three standard procedures must always be included in a preventive maintenance schedule? (Choose three.) physical cleaning memory updates personnel training hard drive maintenance software updates security policies checking 8Manufacturers often offer devices in two versions, one with all the necessary manuals and drivers and one without. Which two are given to these versions? (Choose two.) OEM premium prime retail value

wholesale

9

What are two steps a technician should take before repairing a laptop? (Choose two.) Ground to the power supply before opening the laptop cover. Backup all data stored on the laptop. Check the warranty to see if repairs must be done by an authorized service center. Place a piece of tape over the CD laser so it doesn’t damage someone’s eyes when the laptop case is opened. Disconnect the battery to insure it is not the problem. Attach the AC adapter in case the problem is a defective battery. Which wireless technology offers a maximum data rate of 540 Mbps?

10

802.3a 802.3n 802.5 802.11g 802.11n

11

The accounting department has received a new laser printer. According to the printer technical specification, the printer comp the Bluetooth Class 2 specification. What is the maximum distance that any device could be expected to successfully send pr 3 ft (1 m) 10 ft (3 m) 33 ft (10 m) 100 ft (30 m) 330 ft (100 m)

12Which step in the laptop troubleshooting process would a technician check the power connection, make sure all cables are se attached, and insure that the battery is inserted properly? gathering data from the customer verifying the obvious issues trying quick solutions first gathering data from the customer evaluating the problem and implementing the solution

13

Which standard uses a 128-bit key to secure Wi-Fi services? IPsec MD5 VPN SHA

WPA

14Which two types of batteries should be completely discharged and then fully recharged to remove the charge memory? (Choo Li-ion Ni-Cad Ni-CH Ni-Hid NiMH NiMO

15 Which two types of ports can be used to attach an external hard drive to a laptop computer? (Choose two.) PC Card Type 1 PATA USB Firewire Ultra DMA

16

Which type of encryption key should be enabled on WPA-compliant devices? 28-bit 32-bit 64-bit 128-bit

255-bit 17A laptop will only work on AC power. What should be done to fix the problem? Replace the AC adapter. Replace the battery. Replace the CPU. Replace the laptop.

18

Which two sources can be used to determine the amount of currently installed RAM on a computer? (Choose two.) Add/Remove Hardware utility Administrative Tools utility POST screen System Properties dialog box Windows BIOS wizard 19Which Windows XP tool keeps track of application errors and security alerts, so that they can be analyzed at a later date? Device Manager Event Viewer MSCONFIG.EXE System Properties

20 Which three laptop components should be cleaned during routine maintenance? (Choose three.) CPU fan exterior case hard disk cooling vents keyboard RAM