NETWORKING RELATED QUESTIONS AND ANSWERS V

351: A customer complains his printer doesn't work but the light is on. What is the first thing you should do to correct the problem?
A: Make sure the printer is on-line.

352: Toner particles have what type of charge?
A: Negative

353: You are testing a household electrical outlet. If you test hot & neutral wires, you should get what reading?
A: 110-120v

353: You are testing a household electrical outlet. If you test hot & ground wires, you should get what reading?
A: 110-120v

354: Which will cause more damage to your computer system components, EMI or ESD?
A: ESD

355: Which components in your PC is most susceptible to ESD damage?
A: CMOS
RAM
I/O controller cards

356: Which COM port does the mouse usually use?
A: COM1

357: After replacing a motherboard, what should you do with the adapter cards?
A: Put them all back in their original slots.

358: Why would you never want to test computer circuits with a standard Ohmmeter?
A: Ohmmeters provide their own current which may damage internal components.

359: Which type of fire extinguisher would you use to fight a computer or electrical fire?
A: Class C

360: What do you set your Volt-Ohm meter to in order to test a fuse?
A: Ohms

361: Which is the easiest component to environmentally recycle?
A: Toner Cartridge

362: Which part of the computer is most likely to be effected by EMI?
A: CMOS

363: If the digital multimeter is set for DC, Ohm and 20k, what will it read while measuring a good 2 amp fuse?
A: 0.00

364: What does this symbol represent?
A: SCSI Port

365: What is not typically considered a FRU?
A: System Chassis

366: What PC part would require you to follow EPA guidelines when you dispose of it?
A: CMOS battery

367: What do you use to discharge the CRT?
A: resistor

368: When replacing a power supply in a computer, how do the black wires connect to the mother board?
A: They face each other on the insides of the plugs.

369: If your monitor has random dots on it, the problem most likely is with the?
A: Video Card

370: Which of the following devices can send and receive information from other devices? (Choose 2)
A: Serial Port
Parallel port

371: What causes “Soft” memory errors?
A: Random program events

372: What causes “Hard” memory errors?
A: Bad SIMM or Short in circuit

373: How many electron guns does a color monitor use?
A: 3

374: What is the best ground source for a conductive work bench?
A: AC Outlet

375: The Keyboard uses what IRQ?
A: IRQ1

376: On a wall outlet, which side is neutral?
A: The longer slot

377: The SCSI boot drive must be have which ID?
A: 0

378: The binary address of the SCSI host adapter is usually?
A: 0111

379: How much data can a 5” CD store?
A: 650MB

380: A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?
A: 25Mhz

381: Which device provides the fastest access to large video files?
A: SCSI hard drives

382: When connecting two external SCSI hard disks to a computer, where can you connect the second hard drive?
A: Any open SCSI port on the computer
An open SCSI port on the first hard drive

383: When installing a SCSI CD-ROM drive, you must set the CD-ROM SCSI adapter to what?
A: An unused SCSI address.

384: Which device provides the fastest data access time?
A: RAM

385: What does the CPU do? (choose all that apply)
A: Executes program instructions
Performs math functions
Controls input/output operations

386: What specification covers PC hard cards?
A: PCMCIA

387: Which would you have to upgrade to install an EIDE drive?
A: Controller board

388: Which peripheral port provides the FASTEST throughput to laser printers?
A: Parallel

389: A 25-pin female connector on the back of your computer will typically be?
A: Parallel Port

390: COM1 is typically represented by which of port?
A: 9 pin male

391: A 14.4 modem should transmit at _____ bits per second.
A: 14,400-15,000

392: A modem could be attached to which port?
A: ASYNC port

393: A customer has one printer on LPT1 and wants to add another printer. To which port could it be connected?
A: COM1
LPT2
COM2

394: What is a type of preventive maintenance used on a hard drive?
A: Disk check diagnostics

395: Which should you use for cleaning Mylar-protected LCD screens?
A: Alcohol-impregnated wipes

396: It is most important to keep hard drives and diskettes away from? (choose two)
A: Magnetic devices
Temperature extremes

397: What questions would you ask to determine if the display is working?
A: Is there a video cursor or action on the screen?
Did the computer beep or chime?
Is there high voltage static on the screen? Is the video display brightness and contrast turned up?

398: Which monitor would provide the highest level of performance?
A: VGA

399: A multimeter can be use to perform tests on which of the following? (choose all that apply)
A: To test a capacitor
Testing diodes
Testing transistors

400: In order for a modem to accept data, which of the following signals must be present? (choose all that apply)
A: Carrier detect
Receive data

401: What part of the PC performs the POST?
A: ROM BIOS

402: What error code identifies a floppy drive problem?
A: 601

403: Can EMI affect the display on a monitor?
A: YES

404: In a laser printer which component will not cause a paper jam?
A: Scanner unit

405: What resistance in Ohms should be displayed when testing a speaker in a computer?
A: 0

406: On an AT computer, which IRQ could not be used for a network card?
A: 1

407: DMA is managed with a controller chip on the system board. How many channels can a single controller chip manage?
A: 4

408: On a floppy cable, the connector with the twist will be come which drive letter?
A: A

409: You have a printer on LPT1, you want to install another printer. To which port should it be connected?
A: LPT2

410: On a leased line installation a known good external modem shows no carrier detect light. What is most likely the problem?
A: Phone line

411: To clean the plastic case of a PC you would use?
A: Damp cloth
All purpose cleaner

412: Which processor chip was introduced in 1984 and has 130,000 transistors?
A: 80286

413: The_____ chip is found in most AT class computers.
A: 80286

414: Which was the first processor chip to have onboard cache?
A: 486

415: What type of bus is used in laptops?
A: PCMCIA

416: To avoid ESD when working on a PC, you should? (choose two)
A: Assure that you and the PC are at the same electrical charge level
Use anti-static spray liberally

417: ESD potential decreases with the use of what?
A: A wrist strap

418: ESD would cause the most damage to which component?
A: Expansion board

419: One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as:
A: The area where all of the processing takes place.

420: Which type of system board is the MOST likely will be best if you want maximum performance and future compatibility?
A: PCI

421: What REQUIRES an anti-static bag for transport?
A: I/O controller

422: Which was the first interface to embed the controller within the drive housing?
A: IDE

423: Which type of interface can exchange data without the use of microprocessor?
A: SCSI

424: The host adapter of a SCSI interface is usually set to what ID?
A: 7

425: How many pins do Dot matrix printers commonly use?
A: 9 or 24

426: How does a thermal printer produce images?
A: With heat and special thermal paper

427: Using paper that is to coarse in a laser printer can cause what problem?
A: Premature wear to the paper path

428: Which bus type can reach a peak transfer rate of 33Mbps?
A: EISA

429: What type of expansion bus does an AT bus support?
A: 8 and 16 bit slots

430: What is the highest binary number that can be referenced on a three position jumper block?
A: 7 (0111)

431: What is the problem with an interlaced monitor?
A: It can flicker and cause eye strain.

432: In a normal text mode a monitor can display?
A: 80 columns by 25 lines.

433: The resolution for the CGA standard monitor is?
A: 320x200-4 colors

434: The resolution for the VGA standard monitor is?
A: 640x480-16 colors

435: The resolution for the SVGA standard monitor is?
A: 800x600-16 colors

436: The resolution for the XGA standard monitor is?
A: 640x480-65,536 colors

437: Of the two types of keyboards Capacitive and Switch, which is more prone to failure?
A: Switch

438: When referring to keyboards, what does debouncing mean?
A: Cleans up electrical noise.

439: A mode of data transmission characterized by regular time periods and no start or stop bits is called?
A: Synchronous

440: Which serial data transmission mode is faster, synchronous or asynchronous?
A: Synchronous

441: Does a byte equal one character or one word?
A: One character.

442: You have two modems connected over a phone line and one modem is dropping characters. What is the most likely problem ?
A: The modem is not configured correctly.

443: Which prong on the AC plug is the Phase side?
A: The shorter one

444: A Power Supply is rated in?
A: Watts

445: The fusing unit of a laser printer uses what 2 elements to bond the image to the paper?
A: Heat and Pressure

446: Why should you change an ink jet cartridge instead of refilling it?
A: With a new cartridge you are also replacing the jets

447: You have a printing resolution of 200dpi. What does that mean?
A: 200 dots per inch

448: The transfer corona wire in a laser printer has what type of charge?
A: Positive

449: A printwire can be found in what type of printer?
A: Dot Matrix

1: 9 bit SIMMs have how many pins?
A: 30

2: How many bits is the system data bus for a Pentium Processor?
A: 64

3: How many bits is the data bus for a 486DX4 processor?
A: 32

4: A serial data port on your PC would have how many pinouts?
A: 9

5: How many wires does the standard IDE drive cable have?
A: 40

6: How big is the conventional memory in a PC?
A: 640K

7: How many bits is the system bus for a 386SX processor?
A: 16

8: How many bits is the system bus for a 386DX processor?
A: 32

9: What is the maximum length for a parallel cable?
A: 15 ft.

10: What IRQ does the real time clock use?
A: 8