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A+ 901 > Main > Flashcards

Main Flashcards

1
Q

Power Management Specifications

A

ACPI/APM

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2
Q

Microsoft .exe with detailed system information?

A

msinfo32. exe

systeminfo. exe

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3
Q

BIOS Extensions are also known as?

A

Option ROM

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4
Q

ACPI

A

Advanced configuration and power interface: industry spec for power consumption handling in desktop and mobile pcs.

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5
Q

APM

A

Advanced power management: legacy API which allows an OS to work with the BIOS to manage power.

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6
Q

OSs communicate with hardware via?

A

BIOS and device drivers.

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7
Q

Chassis Intrusion Detection requires?

A

Requires BIOS support plus case sensor.

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8
Q

PCI

A

Synced with CPU clock-speed, 32bit/128pin and 64bit/188 pin config, 33/66 MHz clock speeds, 133/533 MB/s, parallel bus.

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9
Q

PCI-x

A

1064 MB/s, 64 bit, parallel

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10
Q

PCIe gen.x

A

Starts at a 1/4 GB x1 and 4 GB x 16 for generation 1. Each subsequent generation doubles the throughput.

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11
Q

PCIe 1.x

A

x1 250 MB/s

x16 4 GB/s

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12
Q

PCIe 2.x

A

x1 500 MB/s

x16 8 GB/s

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13
Q

PCIe 3.x

A

x1 985 GB/s

x16 15.75 15.75 GB/s

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14
Q

PCIe 4.x

A

x1 1.969 GB/s

x16 31.51 GB/s

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15
Q

PGA

A

Pin grid array. Pins are on the CPU.

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16
Q

LGA

A

Land grid array. Pins are on the motherboard socket.

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17
Q

BIOS managed permanent memory types?

A

ROM and PROM

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18
Q

SRAM

A

Static RAM that is typically used in CPU memory caches. Faster and more expensive than DRAM.

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19
Q

Speed of modern system buses?

A

In the MHz, a single clock cycle is a single tick of the system clock.

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20
Q

SDRAM

A

Synchronous Dynamic RAM: synced with the system clock and requires periodic electrical refreshing.

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21
Q

SDR SDRAM

A

Single Data Rate SDRAM: 1 word per clock cycle, 168 pin DIMMs.

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22
Q

DDR SDRAM

A

Double Data Rate SDRAM: 2 processes per clock cycle, 184 pin DIMMs, 200 pin SO DIMMs, 172 pin Micro DIMMs.

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23
Q

Bus Width of DDR Memory?

A

Bytes/second = MHz speed of module * 8 bytes

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24
Q

DDR2 SDRAM

A

4 processes/clock, 240 pin DIMMs, 200 pin SO DIMMs, 214 pin micro-DIMMs

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25
Q

DDR3 SDRAM

A

Used 30% less power than DDR2, 240 pin DIMM, 204 pin SO DIMM, 8 words/clock, up the 16 GB modules, supports 3 and 4 channel

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26
Q

WORM

A

Write once, read many.

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27
Q

RDIMM

A

Registered DIMM: more expensive, uses additional circuitry for stability and accuracy.

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28
Q

Single Sided Memory Modules

A

Can have chips on both sides.

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29
Q

Static RAM

A

Is a type of volatile memory that doesn’t require electrical refreshment.

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30
Q

DVD Single Side/Single Layer

A

4.7 GB

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31
Q

DVD Single Side/Double Layer

A

8.5 GB

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32
Q

DVD Double Side/Single Layer

A

9.4 GB

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33
Q

DVD Double Side/Double Layer

A

17.08 GB, rare format

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34
Q

BD Single Layer

A

25 GB

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35
Q

BD Double Layer

A

50 GB

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36
Q

Mini BD Single Layer

A

7.8 GB

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37
Q

Mini BD Double Layer

A

15.6 GB

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38
Q

Hot Swappable Drive Types

A

USB, Firewire, SATA, eSATA (not IDE, PATA)

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39
Q

Most common secondary Phone/Tablet Storage Media Type

A

eMMC (embedded Multi Media Controller)

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40
Q

Nested (Hybrid) RAID

A

Combination of two or more of the standard RAID levels to gain performance, additional redundancy or both.

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41
Q

RAID 1

A

Mirroring: requires >= 2 discs, fault tolerance is 1/2 of the discs, hw/sw RAID allows for implementation on one drive.

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42
Q

RAID 0

A

Striping: requires >= 2 discs, cannot tolerate the failure of any disc, hw/sw.

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43
Q

RAID 5

A

Striping with Parity: requires >= 3 drives, business and Enterprise server RAID, can tolerate one drive failure, how swapping, slow writing.

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44
Q

RAID 10 (1+0)

A

Stripe of Mirrors: requires >= 4 drives, fault tolerance of 2 or 1/2 of the drives as long as the drives in fault aren’t mirrors, hw/sw (best with hw).

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45
Q

RAID Levels 2, 3, 4, 7, 0+1

A

Variations of primary RAID types.

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46
Q

RAID 6

A

Striping with Parity: Enterprise, one additional parity block, fault tolerance of 2 discs, requires >= 3 discs.

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47
Q

ASIC

A

Application Specific Integrated Circuit

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48
Q

Name of Intel virtualization HW Enhancements?

A

VT-X

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49
Q

USB 1.1

A

Full Speed USB:

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50
Q

Max number of devices supported by a USB Host Controller?

A

127

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51
Q

Max USB device cable length?

A

5 meters for high speed devices and 3 meters for low speed devices.

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52
Q

VGA connectors are also know as?

A

DB-15, PE-15, HD-15 (3 row, 15 pin)

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53
Q

S/PDIF

A

S/Phillips Digital Interconnect Format: comes in fiber and coax configurations.

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54
Q

DVI-d

A

Digital only.

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55
Q

DVI-i

A

Digital and analog.

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56
Q

TRS Connectors

A

Ancient cylindrical phone and audio connector types with multiple circular contact points. Very common.

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57
Q

SATA

A

15 pin power, 7 pin data.

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58
Q

Max eSATA cable length?

A

2 meters.

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59
Q

S-Video

A

Separate video, video only, standard definition, lower color resolution than component.

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60
Q

VGA

A

video, analog only.

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61
Q

HDMI

A

19 pin, Type A

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62
Q

15 pin ATX power connector voltages?

A

+3.3v, +5v, +12v

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63
Q

AC Current?

A

110-120v US/Canada

220-240 World

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64
Q

IEEE 802.3

A

Wired Ethernet protocol.

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65
Q

CPU power is supplied by?

A

4/8 pin 12v connector.

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66
Q

Additional GPU power comes from?

A

PCIe 6/8 pin for 75/150 watts.

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67
Q

Mobo ATX connector has?

A

20 pins

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68
Q

Virtual printing formats?

A

XPS and PDF

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69
Q

LPT is a?

A

Legacy parallel printer port

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70
Q

Print sharing can be done over which wired connection types?

A

USB, parallel, Ethernet, serial.

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71
Q

Plenum rated cable jackets are made from?

A

PVC (polyvinyl chloride) or FEP (fluoridated ethylene polymer).

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72
Q

RGB/RG59 are?

A

Coaxial cables.

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73
Q

IPv4 address length?

A

32 bit

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74
Q

10.000-10.255.255.255

A

Private class, non-routable, 23 bit block

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75
Q

APIPA

A

Automatic private IP addressing.

Windows function that provides DHCP autoconfiguration addressing. APIPA assigns a class B IP address from 169.254.0.0 to 169.254.255.255 to the client when a DHCP server is either permanently or temporarily unavailable.

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76
Q

IPv6 address length?

A

128 bit.

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77
Q

IPv6 Link Local address has prefix?

A

FE8::/16

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78
Q

Cables that protect against EMI?

A

STP, coaxial, fiber

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79
Q

CIDR Notation

A

Classless inter-domain routing notation, suffix indicates the number of bits in the prefix.

Ex. 192.168.2.0/24

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80
Q

Socket T

A

Intel LGA 775 (775 pins)

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81
Q

Names of Intel and AMD NxBit Technology?

A

No Execute Bit
Intel: XD bit (execute disable)
AMD: EVP (enhanced virus protection)
protects programmatic storage space within RAM

82
Q

Socket H2

A

Intel LGA 1155, replaced LGA 1156

83
Q

Socket H/H1

A

Intel LGA 1156, replaced LGA 775

84
Q

Socket B

A

Intel LGA 1366, replaced LGA 775

85
Q

Socket H3

A

Intel LGA 1150, replaced 1155

86
Q

Socket R

A

Intel LGA 2011, replaced 1366

87
Q

Back Side Bus (BSB)

A

Bus between CPU and internal memory.

88
Q

Frontside Bus (FSB)

A

Bus between the northbridge and the CPU.

89
Q

Socket Fm2

A

AMD PGA 904

90
Q

Socket Fm2+

A

AMD PGA 905

91
Q

Socket AM3

A

AMD PGA 941

92
Q

Socket FM1

A

AMD PGA 905

93
Q

Socket AM3+

A

AMD PGA 942

94
Q

USB 1.1

A

Full speed, 1.5 (low speed, for peripherals) and 12 Mbps (Full Speed for primary devices), Type A (common) and B connectors (square with round top).

95
Q

USB 2.0

A

Hi Speed, widespread, <= 480 Mbps

Type A, Type B, Micro A (mini type A), Micro B, Mini A, Mini B

96
Q

USB 3.0

A 
Super Speed: 
<= 5120 Mbps
<= 10240 Mbps (2013 update)
Type A, type b, Micro A, Micro B
<= 3 meter cables
97
Q

Max cable length for USB devices?

A

5 meters.

98
Q

LGA 775 CPUs?

A

P4, Celeron D, P4 Extreme Edition, PD, P Extreme Edition, P Dual Core, C2Duo, C2Extreme Edition, C2Quad, Xeon, Celeron

99
Q

IEEE 1394

A

<= 63 devices, plug and play, hot swapping, daisy chaining, <= 400 Mbps (100, 200, 400), 6 pin provides power,

100
Q

IEEE 1394a

A

<= 4.5 meter cables, hot pluggable, 4/6/9 pin, <= 400 Mbps, serial

101
Q

IEEE 1394b

A

Firewire 800, 9 pin provides power, <= 100 meter cables,

102
Q

SATA 1.0 speed?

A

<= 1.5 Gbps

103
Q

SATA 2.0 speed?

A

<= 3.0 Gbps

104
Q

SATA 3.0 speed?

A

<= 6 Gbps

105
Q

Thunderbolt Cable

A

Combines PCIe and mini display port (MDP) into one serial signal, <= 3M cable length for copper and <= 60M for fiber, uses USB Type C and MDP connectors, allows for PCIe, DC power and data from display Port devices.

106
Q

Thunderbolt v1

A

2 channels, 10 Gbps ea, 20 total.

107
Q

Thunderbolt v2

A

20 Gbps

108
Q

Thunderbolt v3

A

40 Gbps

109
Q

Dual Rail PSUs

A

PSUs with multiple +12v wires.

110
Q

Hardware Requirements for a Custom Graphics (CAD) PC?

A

quality GPU, multi-core CP, max RAM

111
Q

Hardware Requirements for a Audio/Video Editing PC?

A

Sound card, dual monitors, GPU, hi capacity fast HD

112
Q

Hardware Requirements for a Virtual Server PC?

A

Max RAM, multi-core CPU

113
Q

Hardware Requirements for a Gaming PC?

A

Multi-core CPU, GPU, cooling, sound card

114
Q

Hardware Requirements for a Home Theater PC?

A

TV tuner, surround audio, HDMI out, small mobo form factor, Gigabit NIC, HDD with RAID

115
Q

xGA

A

Extended graphics array, standard 1024x768, 4:3

116
Q

16:10 and 16:9 are?

A

Widescreen formats.

117
Q

SXGA

A

Super extended graphics array: 1280x1024, 5:4

118
Q

UXGA

A

Ultra extended graphics array: 1600x1200, 4:3

119
Q

WUXGA

A

Widescreen ultra extended graphics array: 1920x1200, 16:10

120
Q

TN Panels

A

Fastest response times,

121
Q

OLED

A

higher contrast and color quality,

122
Q

Aspect Ratio

A

relative horizontal and vertical ratios of an image.

123
Q

POS printers use?

A

Thermal tech?

124
Q

Impact printers use?

A

Tractor feeds

125
Q

Dot Matrix can?

A

print multi-part forms.

126
Q

GDI

A

Graphical device interface: Windows component that represents graphical objects and sends them for output to devices.

127
Q

Parallel Printer Port Op Modes?

A

ECP, EPP, ext capability mode

128
Q

Network Protocols that improve remote printing?

A

IPP, LPD/LPR

129
Q

Wifi Printer Sharing occurs over?

A

BlueT, 802.11x, Infrared

130
Q

Fiber Connector Types?

A

LC, ST, SC

131
Q

Multimode Fiber?

A

Multimode fiber optic cable has a large diametral core that allows multiple modes of light to propagate. Because of this, the number of light reflections created as the light passes through the core increases, creating the ability for more data to pass through at a given time. Because of the high dispersion and attenuation rate with this type of fiber, the quality of the signal is reduced over long distances. This application is typically used for short distance.

132
Q

Single Mode Fiber?

A

Single Mode fiber optic cable has a small diametral core that allows only one mode of light to propagate. Because of this, the number of light reflections created as the light passes through the core decreases, lowering attenuation and creating the ability for the signal to travel further. This application is typically used in long distance

133
Q

Cat 3

A

UTP
Voice grade
10 Mbps 16 MHz
10BaseT

134
Q

Cat 5

A

UTP
100 Mbps 100 MHz
2/4 pairs of twisted wires, enabled for Fast Ethernet.

135
Q

Cat 6

A

UTP and STP
1000 Mbps 250 MHz
Better insulation and thinner wires,
backward compatible with 5/5e.

136
Q

Cat6a

A

STP

10,000 Mbps 500 Mhz, require special connectors.

137
Q

Cat 5e

A 
UTP
1000 Mbps 100 MHz
optimized to reduce crosstalk,
4/4 twisted pairs of wires used for Fast Ethernet,
backward compatible
with Cat5
138
Q

Cat 7

A

STP
Class F
10,000 (10 Gbps) and 600 MHz
SSTP (screened, shielded twisted pair)

139
Q

TP Cabling?

A

Twisted pair cabling is paired and twisted to reduce cross talk.

140
Q

ITP Port #

A

21

Interactive Terminal Protocol

141
Q

SSH

A

Secure Shell

22

142
Q

Telnet

A

23

143
Q

SMTP

A

25

Typically used for sending e-mail.

144
Q

DNS

A

53

145
Q

HTTP

A

80

146
Q

POP3

A

110

Typically used for receiving e-mail by downloading to a local client.

147
Q

IMAP

A

143

Typically used for viewing e-mail by connecting to a mail server.

148
Q

SNMP

A

161

Simple Network Management Protocol

149
Q

IRC

A

194

150
Q

HTTPS

A

443

151
Q

RDP

A

3389 for TCP and UDP

152
Q

Netbios

A

137, 138, 139

153
Q

SMB

A

445

Server Message Block

154
Q

SLP

A

427

Service Location Protocol

155
Q

AFP

A

548/427

Apple Filing Protocol

156
Q

Manual configuration of NICs requires?

A

IP address, subnet, default gateway, dns server (not SSID).

157
Q

FTP

A

Port 20 for data, 21 for establishing connection

158
Q

Windows servers use Netbios to?

A

Resolve and translate hostnames to ip addresses.

159
Q

NetBT

A

Netbios over TCP/IP

160
Q

LDAP

A

Lightweight directory access protocol.
An open, vendor-neutral, industry standard application protocol for accessing and maintaining distributed directory information services over an Internet Protocol (IP) network.

161
Q

TCP/IP

A

Connection oriented 3-way handshakes.

162
Q

UDP

A

User data-gram protocol, connectionless

163
Q

802.11a

A

1.5-54 Mbps
5 GHz band
CSMA/CA (carrier sense multiple access/collision avoidance)

164
Q

802.11b

A

<= 11 Mbps
2.4 GHz
CSMA/CA

165
Q

802.11g

A

<= 54 Mbps
2.4 GHz
CSMA/CA

166
Q

802.11n

A

> = 54 Mbps <= 600 Mbps
2.4/5 GHz
MIMO antennas
CSMA/CA

167
Q

802.11ac

A 
<= 1300 Mbps
5 GHz
wider 5 GHz channel
Multi User MIMO
CSMA/CA
168
Q

AES

A

Symmetric block cipher chosen by the U.S. government to protect classified information and is implemented in software and hardware worldwide. Stronger and uses longer key lengths and enables faster encryption than DES and 3DES, making it ideal for software applications, firmware and hardware that require either low latency or high throughput, such as firewalls and routers. It is used in many protocols such as Secure Sockets Layer (SSL)/Transport Layer Security (TLS) and can be found in most modern applications and devices that need encryption functionality.

169
Q

DES

A

Data Encryption Standard (DES), which became vulnerable to brute-force attacks.

170
Q

SLP

A

Service Location Protocol: allows automated discovery of networked services on a LAN.

171
Q

SNMP

A

Simple Network Management Protocol: collects information from and configures network devices such as servers, printers, hubs, switches, routers on an IP network.

172
Q

File sharing network protocols?

A

FTP and AFP (apple filing protocol)

173
Q

PSTN

A

Public switched telephone network aka POTS, plain old telephone service.

174
Q

Satellite Internets connection speed is fast or slow?

A

Slow.

175
Q

ISDN

A

Integrated Services Digital Network: allows simultaneous transmission of voice, video, data and additional network services.

176
Q

How to harden an OS?

A

Disable unnecessary services, patch and update, fix configuration errors

177
Q

Effects of disabling SSID broadcast?

A

Makes a WLAN harder to discover but isn’t a security practice (I think it is)

178
Q

What tools should you use to troubleshoot a WIFI signal loss?

A

Heat map and WAP power controls.

179
Q

Function of CHKDSK /R switch?

A

Fixes disk errors.

180
Q

CPU power connection is from which cable?

A

P4

181
Q

Capacitor replacement reuires?

A

Mobo replacement.

182
Q

Tools for isolating bad hardware?

A

POST card, loopback plug, PSU tester, multimeter.

183
Q

Slow HDD performance is caused by?

A

file fragmentation and insufficient RAM

184
Q

CLI tool for fixing the MBR, boot sector, BCD, etc?

A

bootrec.exe

185
Q

Name of the CLI disk partitioning program on Windows?

A

DISKPART

186
Q

Name of permanent display discoloration?

A

Burn-in.

187
Q

Windows CLI program for domains, computers and shared resources?

A

NETVIEW

188
Q

Windows CLI program for DNS queries?

A

NSLookup

189
Q

How do you access Windows advanced boot options menu during boot?

A

F8

190
Q

What is the type of common external laptop storage?

A

Flash

191
Q

Internal drive types?

A

SSHDs, magnetic, SSD

192
Q

Most common magnetic form factor?

A

2.5”

193
Q

SSD form factors?

A

2.5/1.8”

194
Q

Difference between docking stations and port replicators?

A

Docking stations offer additional capabilities/ports.

195
Q

POST beeps for RAM failure?

A

Long continuous beep.

196
Q

POST beeps for video card failure?

A

1 long, 2 short.

197
Q

Symptoms of depleted toner?

A

Fading and blank pages (not ghosting).

198
Q

When printing garbled characters are caused by?

A

Bad drivers not calibration.

199
Q

Tools for cleaning inside a laser printer?

A

Toner vacuum, compressed air, cleaning brush.

200
Q

Molex connectors use which voltages?

A

5/12v

red/yellow

A+ 901 (13 decks)

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