CompTIA 220-801 Cram
Card Set Information
CompTIA 220-801 Cram
CompTIA 220 801
In simple terms what does the Motherboard do?
Connects everything together
Typical form factors include?
ATX (most common), microATX, ITX, and BTX
AMD and older intel chipsets include a northbridge that connects?
the CPU, RAM, and x16 PCIe devices
AMD and older intel chipsets include a southbridge that connects secondary systems
such as USB, SATA, IDE, and sound
Types of expansion buses include?
PCI, AGP, PCI Express (PCIe), AMR, CNR, and PC Card (PCMCIA)
Newer Intel chipset designs incorporate northbridge functionality into?
the CPU that connects to a single-chip chipset via DMI or QPI
AMD CPU to chipset connection is called?
Basic Input/Output System
BIOS does what?
identifies, tests, and initializes components and boots to hard drive
complementary metal-oxide semiconductor
What provides power to CMOS?
a CR2032 lithium battery
In BIOS, you can configure:
time/date, boot device priority (boot order), passwords, power management, WO (Wake On LAN), monitoring
To update BIOS?
flash it with new firmware
Central Processing Unit
The CPU does what?
takes care of all calculations
Intel CPUs (Core i3/i5/i7) use what sockets?
LGA (Land Grid Array) 1155 sockets.
Older Intel CPUs (Core 2) use ______ sockets?
AMD Phenom II CPUs use what sockets?
AM2+ and AM3
AMD FX CPU uses what socket?
L1/L2 cache is located?
in each core
What substance is required whenever heat sink is installed?
Which cache is shared among entire CPU?
Random Access Memory
Random Access Memory types include
SDRAM, DDR, DDR2, DDR3, RDRAM and SODIMMs
an example of DDR3-800 data transfer calculation is?
800 MT/s x 8= 6,400 MB/s
Dual channel is?
double width, 128-bit bus
Latency is measured as?
CL or CAS
ATX 12V 2.x Power Supplies connect to the motherboard by way of?
ATX 12V 2.x Power Supplies connect to the CPU by?
ATX 12V 2.x Power Supplies connect to the video by?
6 or 8-pin
Hard Disk Drives are devices that store data in what way?
nonvolatile (meaning they don’t lose data when power off)
Hard Disk Drives are what size?
Types of HDD include?
SATA, PATA and SCSI
Small Computer System Interface
SATA: Serial ATA drives come in?
150, 300, and 600 MB/s versions
SATA: Serial ATA use a __ pin power connector?
SATA: Serial ATA use a __ data connector?
PATA: Parallel ATA drives range between
33 MHz and 133 MHz
(Ultra ATA/33 through /133)
PATA drives use a __pin Molex power connector
PATA drives use a ______ IDE ribbon cable for data
PATA drives can be jumpered as?
single, master, slave or cable select
Small Computer System Interface drives range in transfer rates from?
160 MB/s to 640 MB/s
SCSI use __-pin, __-pin or ______ connectors?
68, 80, serial
Redundant Array of Inexpensive Disks
RAID 0 is
RAID 1 is
RAID 5 is
striping with parity
is mirrored sets in a striped set
Which RAID is not fault-tolerant
Which RAID uses two disk controllers?
RAID 1 - it is disk duplexing
Optical disc drives use?
removable media to store and retrieve data
Optical disc drives are typically what size?
Types of optical discs include?
CD-ROM, DVD-ROM, Blu-ray, Floppy drives
CD-ROM: Data CDs can typically hold ___ MB?
CD-ROM: Data CDs can read and write at up to?
52x (7.8 MB/s)
CD-ROM: Data CDs rewrite at up to?
32x (4.8 MB/s)
DVD-ROM: DVDs have a capacity ranging from?
4.7 GB (DVD-5) to 17 GB (DVD-18 dual-sided and dual-layered)
DVD-ROM: Recording technologies include?
DVD+R, DVD-R, DVD+RW and DVD-RW
Blu-rays are used for?
HD and games
Blu-rays have a capcity of __ GB?
Blu-rays have a write speed between?
1x and 12x (36 Mbps – 432 Mbs)
Blu-ray drives connect via?
Floppy drives use __________ disks
Floppy drives connect to the motherboard via
34-pin data cable
Floppy drives use a __________ power connector?
4-pin mini (Berg)
Solid-state media includes?
solid-state hard drives (SSD)
USB flash drives CompactFlash
Secure Digital (SD) cards
Laptops are smaller versions of ____________.
Laptops have replaceable items such as?
keyboards, SODIMM RAM, displays, inverters, optical discs and 2.5” hard drives
Laptops use _______,_________,__________ technologies
PC Card (PCMCIA), CardBus and ExpressCard
Laptops have a “Fn” key for implementing ___________________
secondary key functions
Video cards connect to motherboards by way of what type of expansion slots?
x16 PCIe (most common, typically black)
or PCI (white)
Video connector types include?
DVI, VGA, HDMI, DisplayPort, S-Video and component Video/RGB
Video Common color depths include?
16-bit, 24-bit and 32-bit
Video Common resolutions include?
Sound cards connect as?
x1 PCIe or PCI cards
Sound cards normally have PC 99 color-coded?
1/8” mini-jacks for I/O and speakers
Sound cards normally have optical I/Os known as?
S/PDIF (example: TOSLINK)
Universal Serial Bus
USB can have up to ____ devices?
USB 1.1 (full speed) runs at __ Mbps with a max cable length of _ meters?
12 Mbps 3 meters
USB 2.0 (high-speed) runs at ___Mbps with a max cable length of _ meters?
480Mbps 5 meters
USB 3.0 (Superspeed) runs at _ Gbps?
Computers usually have Type __ USB connectors built in?
IEEE 1394a (FireWire 400) runs at ___ Mbps?
IEEE 1394b (FireWire 800) runs at ___ Mbps?
IEEE 1394b also specifies ____ Mbps and ____ Mbps?
1600 Mbps and 3200 Mbps
IEEE 1394 chains can have up to __ devices?
Types of Printers include?
laser, inkjet, thermal and impact (dot-matrix)
The six main steps in the laser printing process are?
What is one other step before printing begins?
Custom PCs include:
Home Server PC
HTPC (Home Theater PC)
Custom Audio/Video workstations need?
special A/V cards
fast hard drives
Custom CAD/CAM workstations need?
lots of RAM
Characteristics of Thin Clients are?
relies on server
embedded operating system
Custom Home Server PC usually needs/has?
Custom HTPC (Home Theater PC) usually has?
small form factor
Custom Gaming PC needs?
powerful CPU and video card
needs powerful CPU and lots of RAM
- Type 1 hypervisor is native or bare metal
- Type 2 is hosted, runs on top of operating system
Local Area Network
Wide Area Network
Metropolitan (or Municipal) Area Network
Personal Area Network
________ connect computers together in a LAN?
_________connect two or more LANs and connect LANs to the Internet?
_________ protect individual computers and networks from unwanted intrusion?
What is Network topology?
Network topology is the arrangement of the various elements (links, nodes, etc.) of a computer network
Network topologies include:
Star (most common)
other hybrids (like Star-Bus and Hierarchical Star)
IPv4 addresses are structured as?
32 bit dotted-decimal numbers (like 192.168.1.1)
How can IPv4 addresses be assigned?
dynamically (automatically) assigned by DHCP
IP Classes include:
IP Class A Range:
IP Class B Range:
IP Class C Range:
IP Class A Subnet Mask:
255.0.0.0, Private 10.x.x.x
IP Class B Subnet Mask:
255.255.0.0, Private 172.16.0.0 - 172.31.255.255
IP Class C Subnet Mask:
255.255.255.0, Private 192.168.x.x
The loopback address for an IPv6 addresse is?
IPv6 addresses are structured as?
128-bit hexadecimal numbers
The most common type of IPv6 addresses is?
Unicast which are assigned to a single interface
list Common network speeds
1000 Mbps (Gigabit Ethernet)
100 Mbps (Fast Ethernet)
10 common Networking Protocols include:
File Transfer Protocol
Simple Mail Transfer Protocol
Domain Naming System (or Service)
Hypertext Transfer Protocol
Post Office Protocol
Internet Message Access Protocol
Remote Desktop Protocol
Cabling Standards include:
Cabling Standard Category 3:
Cabling Standard Category 5:
Cabling Standard Category 5e:
Rated for 100Mbps and gigabit networks
Cabling Standard Category 6:
Rated for 100 Mbps and gigabit networks
Wireless Ethernet Versions
802.11a Data Transfer Rate – Frequency
54 Mbps – 5GHz
802.11b Data Transfer Rate – Frequency
11 Mbps – 2.4 GHz
802.11c Data Transfer Rate – Frequency
54 Mbps – 2.4 GHz
802.11n Data Transfer Rate – Frequency
600 Mbps – 5 and 2.4 GHz
Bluetooth is a _____________ technology
Bluetooth is aimed at _____________ communications and ___________ among network devices
Bluetooth is divided into three classes:
Class II(most common)
Bluetooth Class I has a maximum transmission range of ____ meters
Bluetooth Class I has a maximum data transfer rate of ___ Kbps
Bluetooth Class II has a maximum data transfer rate of ____ Mbps?
Bluetooth Class II has a maximum range of __ meters.
Bluetooth Class III has the _______ range
Bluetooth Class III is hardly used at a maximum range of __ meter
Port forwarding does what?
forwards an external network port to an internal IP address and port
Port triggering enables you to?
specify outgoing ports that your computer uses for special applications their corresponding inbound ports open automatically when the sessions are enabled.
Is it safe to open power supplies
Test AC outlets before use (True/False)
What kind of fire extinguisher should be used on electrical fires
Make the office safer by useing _______________ whenever possible?
Material Saftey DataSheets
Consult _____ when encountering a product with chemicals (toner cartridges and cleaners)
Material Saftey Data Sheets
Prevent ESD with?
antistatic strap and mat
touching computer chassis
use of antistatic bags
unplugging computers before working on them
What should your Incident Response for the First responser be?
1. Identify what happened
3. Set up Chain of Custody (chronological paper trail)
8 things about Professionalism
Be punctual to clients
Listen to customer
Set and meet expectations
Avoid distractions (phone, etc)
Avoid confidential data