السلام عليكــم ورحمـة الله وبركاتــة ،،
كيف حالك إن شاء الله دائمــاً بخير ؟
ابي اتأكذ من هااي الاجاابات لاني بقدمه يووم الاحد إن شاء الله ياريت
تصححونهم لي واذا عندكم اسئله لهااي الجبتر تحطوونهم (جبتر 13برووحه
1
The accounting department has received a new laser printer. According to the printer technical specification, the printer complies with the Bluetooth Class 2 specification. What is the maximum distance that any device could be expected to successfully send print jobs?
3 ft (1 m)
10 ft (3 m)
33 ft (10 m)
100 ft (30 m)
330 ft (100 m)
2
Refer to the exhibit. Which type of connection is being established between the PDA and the infrared keyboard?
broadband
line-of-sight
reflective
scatter
3
Which type of encryption key should be enabled on WPA-compliant devices?
28-bit
32-bit
64-bit
128-bit
255-bit
4
A user reports that his laptop works on AC power, but it is unable to work with the battery alone. What should be done to troubleshoot and fix the problem?
Replace the AC adapter.
Replace the battery.
Replace the CPU.
Replace the laptop.
5
Which two types of batteries should be completely discharged and then fully recharged to remove the charge memory? (Choose two.)
Li-ion
Ni-Cad
Ni-CH
Ni-Hid
NiMH
NiMO
6
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.
7
Which three standard procedures are commonly included in a laptop preventive maintenance schedule? (Choose three.)
cleaning
hard-drive maintenance
hardware updates
software acquisition
software updates
training
8
Which three laptop components should be cleaned during routine maintenance? (Choose three.)
CPU fan
exterior case
hard disk
cooling vents
keyboard
RAM
9
Which portable connection provides the user with the possibility of high-speed Internet connectivity?
cable
cellular
dial-up
DSL
mobile LAN
10
Which wireless technology offers a maximum data rate of 540 Mbps?
802.3a
802.3n
802.5
802.11g
802.11n
11
Which standard uses a 64-bit or 128-bit key to secure Wi-Fi services?
IPGP
SecIP
VPN
WiFiSP
WPA
12
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 utility
Windows BIOS wizard