Practice test B missed

Question 1

First component a failed motherboard battery effects

Answer 1

SMOS chip

Question 2

Ink Jet not printing after installing cartridge

Answer 2

1st step: Re-instal cartridge

Question 3

Power connector larger than connecter for floppy disk drives commonly used with PATA drives

Answer 3

Molex

Question 4

Coax cable for TV and modems

Answer 4

RG-6 if just for Cable TV

RG-59 for cable TV and modems

Question 5

Coax cable used as backbone in Ethernet-Lan environment

10Base5/thicknet

Answer 5

RG-8

Question 6

RG-58A/U

Thinnet

Answer 6

For Ethernet networks

Uses baseband signalling and has impedance of 50 ohms

Question 7

802.11 g range

Answer 7

Indoor 40

Outdoor 140

Question 8

Display used in laptops to produce even screen brightness

Answer 8

LED

Question 9

Printer commands

Find

grep

diff

tail

history

Answer 9

Find: returns all files in current working directory

grep: searches for patterns within one or more files
diff: compares contents of two files and displays diferences between them
tail: displays last 10 lines of a file
history: view recently executed commands

Question 10

Hyperthreading

Answer 10

Improves paralelization of computations (doing multiple tasks at once)

Microprocessor technology

Question 11

Plenum

Answer 11

enclosure used to move air for heating, cooling, or humidity control in a building

Question 12

CMD to help with DNS resolution problems

Answer 12

Nslookup

Question 13

Laptop recieves weak signals and connects to network but sometimes no signal at all

Answer 13

Internal wireless network card antenna connection is loose

Question 14

DHCP protocol

Answer 14

Autoconfiguration

Prevents computers from being configured with same IP

Provides central (not local) database for keeping track of computers that have been connected to the network

Question 15

SODIMM

Answer 15

72 pin supports 32-bit transfers

144 pin supports 64-bit transfers

Come in smaller packages, consume less power, but are more expensive

Question 16

Users need to long into any workstation with their username/password.

Want to create only one account for each user

What is the network model needed?

Answer 16

Client/server

Domain

Question 17

EP laser printer

Voltage laser discharges charged photosensitive drum to

Answer 17

-100

Question 18

Memory chip and module naming convention

8:1 ratio

Chips have lower number

Answer 18

DDR400 chip has memory module of PC3200

Question 19

Pin packaging for memory

SDR

DDR

Answer 19

SDR has 168-pin DIMM

DDR has 184-pin DIMM

Question 20

Benifit of thin client vs thick

Answer 20

Thin easier to maintain

Thin makes it easier to adminster app deploment