Exam 9


WHAT TO KNOW

to ace your Comptia Core and OS Technologies A+ Certification Tests

with MOST of the type of questions you'll likely see on the new exams




Exam 1

Exam 2

Exam 3

Exam 4

Exam 5

Exam 6

Exam 7

Exam 8

Exam 9

Exam 10

2006 Edition






ESD-
destroys chips, worse in cool and dry conditions, always use wrist strap

EMI-
from fluorescent lights, other monitors, electrical appliances, causes shaky displays






Media

Parallel (Centronics) printer cable-
max length 10 feet

USB cable-
max length 10 feet (without bridging hubs)

SCSI cable-
max length 18 feet

Serial ( RS-232) cable-
max length 50 feet




Network Connectors:

RJ11-
telephone (POTS) connector

RJ45-
twisted pair (10BaseT)

BNC-
thinnet coaxial (10Base2)

AUI/DIX-
thicknet coaxial (10Base5)

SC-
square 100BaseFX fiber connector used in the US

ST-
round 100BaseFX fiber connector used in Europe


1. The CPU is processing an instruction set and needs the data associated with it. Where does the CPU look first for this data?
SDRAM
L1 cache
L2 cache

2. What does defining a partition as the "active primary" partition on a hard drive do?
installs the boot sector files io.sys, msdos.sys, and command.com
tells the operating system where to find the boot sector files
allows LBA for greater partitioning sizes above 2.1GB

3. The Windows subdirectory in Win98 that contains the DOS files?
INF
DOS
COMMAND

4. ___ is a non-routable protocol used by Win 2000 to talk with IBM mainframes, AS400s, and Hewlett Packard printers?
NetBEUI
DLC
IPX/SPX

5. A customer complains he has corrected the time on his computer on several occasions but the computer just can't keep the right time. You should replace the ___?
power supply
motherboard
CMOS battery

6. Information on the safety hazards of the chemicals you use while servicing a computer can be found on a ___ ?
MSSH
MSDS
MSCA

7. The Win2000 equivalent of the NT4 "CHANGE" permission which allows deletion of files is ___?
WRITE
MODIFY
FULL CONTROL

8. Manufactured by Intel at the beginning of 2002 for its Pentium 4 CPUs. This socket was the first to accomodate the 0.13 micron Northwood core?
Socket 423
Socket 754
Socket 478

9. The first computer with an internal math coprocessor?
286
386DX
486DX

10. Win 9x utility that reports the route a data packet takes to its destination?
IPCONFIG
WINIPCFG
TRACERT

11. The computer is unable to boot. It gives you a class 200 error and three beeps. Your __ is bad?
hard drive
memory
video card

12. 16550 UART's control serial communications like your modem uses and transfer data inside the computer at 115.2 Kbps but the maximum transmission allowed by US law over the analog phone lines is __ Kbps?
33.6
53
56

13. The 172pin 512MB DDR ___ is used mainly in Notebook Computers?
SIMM
MicroDIMM
MIMM

14. After doing a preventive maintenance service call on a laser printer it starts printing blank pages. What broke?
the cleaning blade
the transfer corona
the primary corona

15. A routable protocol?
DLC
NetBEUI
IPX

16. The number of DMAs in an AT computer?
4
8
16

17. IRQ 12 is usually reserved for the __?
hard drive
SCSI
PS2 mouse

18. The RS-232 protocol refers to __ ports?
SCSI
parallel
serial

19. For the installation of Win 2000 Professional, Microsoft recommends a minimum of a Pentium 133 MHz or faster CPU, 2 GB hard disk space with a minimum of 650 MB of free space (additional free hard disk space is required if you are installing over a network) and ___ MB of RAM (Microsoft Ref# Q250297) ?
16MB
32MB
64MB

20. A topology used for a WAN and multiple links?
Bus
Mesh
Ring


Grade =
Correct answers are:








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