CompTIA 220-801 Cram

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20Gt
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288153
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CompTIA 220-801 Cram
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2014-11-08 22:24:12
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CompTIA 220 801
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CompTIA 220-801
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  1. In simple terms what does the Motherboard do?
    Connects everything together
  2. Typical form factors include?
    ATX (most common), microATX, ITX, and BTX
  3. AMD and older intel chipsets include a northbridge that connects?
    the CPU, RAM, and x16 PCIe devices
  4. AMD and older intel chipsets include a southbridge that connects secondary systems
    such as USB, SATA, IDE, and sound
  5. Types of expansion buses include?
    PCI, AGP, PCI Express (PCIe), AMR, CNR, and PC Card (PCMCIA)
  6. Newer Intel chipset designs incorporate northbridge functionality into?
    the CPU that connects to a single-chip chipset via DMI or QPI
  7. AMD CPU to chipset connection is called?
    HyperTransport
  8. (BIOS)
    Basic Input/Output System
  9. BIOS does what?
    identifies, tests, and initializes components and boots to hard drive
  10. (CMOS)
    complementary metal-oxide semiconductor
  11. CMOS stores?
    time/date, passwords
  12. What provides power to CMOS?
    a CR2032 lithium battery
  13. In BIOS, you can configure:
    time/date, boot device priority (boot order), passwords, power management, WO (Wake On LAN), monitoring
  14. To update BIOS?
    flash it with new firmware
  15. (CPU)
    Central Processing Unit
  16. The CPU does what?
    takes care of all calculations
  17. Intel CPUs (Core i3/i5/i7) use what sockets?
    LGA (Land Grid Array) 1155 sockets.
  18. Older Intel CPUs (Core 2) use ______ sockets?
    LGA 775
  19. AMD Phenom II CPUs use what sockets?
    AM2+ and AM3
  20. AMD FX CPU uses what socket?
    AM3+
  21. L1/L2 cache is located?
    in each core
  22. What substance is required whenever heat sink is installed?
    Thermal compound
  23. Which cache is shared among entire CPU?
    L3
  24. (RAM)
    Random Access Memory
  25. Random Access Memory types include
    SDRAM, DDR, DDR2, DDR3, RDRAM and SODIMMs
  26. an example of DDR3-800 data transfer calculation is?
    800 MT/s x 8= 6,400 MB/s
  27. Dual channel is?
    double width, 128-bit bus
  28. Latency is measured as?
    CL or CAS
  29. ATX 12V 2.x Power Supplies connect to the motherboard by way of?
    24-pin cable
  30. ATX 12V 2.x Power Supplies connect to the CPU by?
    4-pin
  31. ATX 12V 2.x Power Supplies connect to the video by?
    6 or 8-pin
  32. Hard Disk Drives are devices that store data in what way?
    nonvolatile (meaning they don’t lose data when power off)
  33. Hard Disk Drives are what size?
    generally 3.5”
  34. Types of HDD include?
    SATA, PATA and SCSI
  35. (SATA)
    Serial ATA
  36. (PATA)
    Parallel ATA
  37. (SCSI)
    Small Computer System Interface
  38. SATA: Serial ATA drives come in?
    • 150, 300, and 600 MB/s versions
    • (1.5/3.0/6.0 Gb/s)
  39. SATA: Serial ATA use a __ pin power connector?
    15-pin
  40. SATA: Serial ATA use a __ data connector?
    7-pin
  41. PATA: Parallel ATA drives range between
    • 33 MHz and 133 MHz
    • (Ultra ATA/33 through /133)
  42. PATA drives use a __pin Molex power connector
    4
  43. PATA drives use a ______ IDE ribbon cable for data
    40-pin
  44. PATA drives can be jumpered as?
    single, master, slave or cable select
  45. Small Computer System Interface drives range in transfer rates from?
    160 MB/s to 640 MB/s
  46. SCSI use __-pin, __-pin or ______ connectors?
    68, 80, serial
  47. (RAID)
    Redundant Array of Inexpensive Disks
  48. RAID 0 is
    striping
  49. RAID 1 is
    mirroring
  50. RAID 5 is
    striping with parity
  51. RAID 10
    is mirrored sets in a striped set
  52. Which RAID is not fault-tolerant
    RAID 0
  53. Which RAID uses two disk controllers?
    RAID 1 - it is disk duplexing
  54. Optical disc drives use?
    removable media to store and retrieve data
  55. Optical disc drives are typically what size?
    5.25
  56. Types of optical discs include?
    CD-ROM, DVD-ROM, Blu-ray, Floppy drives
  57. CD-ROM: Data CDs can typically hold ___ MB?
    700
  58. CD-ROM: Data CDs can read and write at up to?
    52x (7.8 MB/s)
  59. CD-ROM: Data CDs rewrite at up to?
    32x (4.8 MB/s)
  60. DVD-ROM: DVDs have a capacity ranging from?
    4.7 GB (DVD-5) to 17 GB (DVD-18 dual-sided and dual-layered)
  61. DVD-ROM: Recording technologies include?
    DVD+R, DVD-R, DVD+RW and DVD-RW
  62. Blu-rays are used for?
    HD and games
  63. Blu-rays have a capcity of __ GB?
    50
  64. Blu-rays have a write speed between?
    1x and 12x (36 Mbps – 432 Mbs)
  65. Blu-ray drives connect via?
    SATA only
  66. Floppy drives use __________ disks
    1.44MB 3.5”
  67. Floppy drives connect to the motherboard via
    34-pin data cable
  68. Floppy drives use a __________ power connector?
    4-pin mini (Berg)
  69. Solid-state media includes?
    • solid-state hard drives (SSD)
    • USB flash drives CompactFlash
    • Secure Digital (SD) cards
  70. Laptops are smaller versions of ____________.
    desktop PCs
  71. Laptops have replaceable items such as?
    keyboards, SODIMM RAM, displays, inverters, optical discs and 2.5” hard drives
  72. Laptops use _______,_________,__________ technologies
    PC Card (PCMCIA), CardBus and ExpressCard
  73. Laptops have a “Fn” key for implementing ___________________
    secondary key functions
  74. Video cards connect to motherboards by way of what type of expansion slots?
    • x16 PCIe (most common, typically black)
    • AGP (brown)
    • or PCI (white)
  75. Video connector types include?
    DVI, VGA, HDMI, DisplayPort, S-Video and component Video/RGB
  76. Video Common color depths include?
    16-bit, 24-bit and 32-bit
  77. Video Common resolutions include?
    • XGA
    • WXGA
    • SXGA+
    • UXGA
    • WSXGA+
    • WUXGA
  78. XGA resolution
    (1024x76)
  79. WXGA resolution
    (1280x720)
  80. SXGA+ resolution
    (1280x1024)
  81. UXGA resolution
    (1600x1200)
  82. WSXGA+ resolution
    (1680x1050)
  83. WUXGA resolution
    (1920x1200)
  84. Sound cards connect as?
    x1 PCIe or PCI cards
  85. Sound cards normally have PC 99 color-coded?
    1/8” mini-jacks for I/O and speakers
  86. Sound cards normally have optical I/Os known as?
    S/PDIF (example: TOSLINK)
  87. (USB)
    Universal Serial Bus
  88. USB can have up to ____ devices?
    127
  89. USB 1.1 (full speed) runs at __ Mbps with a max cable length of _ meters?
    12 Mbps 3 meters
  90. USB 2.0 (high-speed) runs at ___Mbps with a max cable length of _ meters?
    480Mbps 5 meters
  91. USB 3.0 (Superspeed) runs at _ Gbps?
    5 Gbps
  92. Computers usually have Type __ USB connectors built in?
    Type A
  93. IEEE 1394a (FireWire 400) runs at ___ Mbps?
    400 Mbps
  94. IEEE 1394b (FireWire 800) runs at ___ Mbps?
    800 Mbps
  95. IEEE 1394b also specifies ____ Mbps and ____ Mbps?
    1600 Mbps and 3200 Mbps
  96. IEEE 1394 chains can have up to __ devices?
    63 devices
  97. Types of Printers include?
    laser, inkjet, thermal and impact (dot-matrix)
  98. The six main steps in the laser printing process are?
    • Cleaning
    • Conditioning (charging)
    • Writing (exposing)
    • Developing
    • Transferring
    • Fusing
  99. What is one other step before printing begins?
    Processing
  100. Custom PCs include:
    • Audio/Video workstations
    • CAD/CAM workstations
    • Thin Clients
    • Home Server PC
    • HTPC (Home Theater PC)
    • Gaming PC
    • Virtualization workstation
  101. Custom Audio/Video workstations need?
    • special A/V cards
    • fast hard drives
    • multiple monitors
  102. Custom CAD/CAM workstations need?
    • powerful CPUs
    • video cards
    • lots of RAM
  103. Characteristics of Thin Clients are?
    • Low resources
    • relies on server
    • diskless
    • embedded operating system
  104. Custom Home Server PC usually needs/has?
    • fast NIC
    • RAID arrays
    • HomeGroup
  105. Custom HTPC (Home Theater PC) usually has?
    • small form factor
    • surround sound
    • HDMI output
    • TV Tuner
  106. Custom Gaming PC needs?
    powerful CPU and video card
  107. Virtualization workstation?
    • 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
  108. (LAN)
    Local Area Network
  109. (WAN)
    Wide Area Network
  110. (MAN)
    Metropolitan (or Municipal) Area Network
  111. (PAN)
    Personal Area Network
  112. ________ connect computers together in a LAN?
    Switches
  113. _________connect two or more LANs and connect LANs to the Internet?
    Routers
  114. _________ protect individual computers and networks from unwanted intrusion?
    Firewalls
  115. What is Network topology?
    Network topology is the arrangement of the various elements (links, nodes, etc.) of a computer network
  116. Network topologies include:
    • Star (most common)
    • Ring
    • Bus
    • Mesh
    • other hybrids (like Star-Bus and Hierarchical Star)
  117. IPv4 addresses are structured as?
    32 bit dotted-decimal numbers (like 192.168.1.1)
  118. How can IPv4 addresses be assigned?
    • statically (manually)
    • dynamically (automatically) assigned by DHCP
  119. IP Classes include:
    • Class A
    • Class B
    • Class C
  120. IP Class A Range:
    1-126
  121. IP Class B Range:
    128-191
  122. IP Class C Range:
    192-223
  123. IP Class A Subnet Mask:
    255.0.0.0, Private 10.x.x.x
  124. IP Class B Subnet Mask:
    255.255.0.0, Private 172.16.0.0 - 172.31.255.255
  125. IP Class C Subnet Mask:
    255.255.255.0, Private 192.168.x.x
  126. The loopback address for an IPv6 addresse is?
    ::1
  127. IPv6 addresses are structured as?
    • 128-bit hexadecimal numbers
    • (like 2001:7120:0000:8001:0000:0000:0000:1F10)
  128. The most common type of IPv6 addresses is?
    Unicast which are assigned to a single interface
  129. list Common network speeds
    • 1000 Mbps (Gigabit Ethernet)
    • 100 Mbps (Fast Ethernet)
  130. 10 common Networking Protocols include:
    • FTP
    • SSH
    • Telnet
    • SMTP
    • DNS
    • HTTP
    • POP3
    • IMAP
    • HTTPS
    • RDP
  131. FTP
    File Transfer Protocol
  132. SSH
    Secure Shell
  133. SMTP
    Simple Mail Transfer Protocol
  134. DNS
    Domain Naming System (or Service)
  135. HTTP
    Hypertext Transfer Protocol
  136. POP3
    Post Office Protocol
  137. IMAP
    Internet Message Access Protocol
  138. HTTPS
    HTTP Secure
  139. RDP
    Remote Desktop Protocol
  140. FTP Port
    21
  141. SSH Port
    22
  142. Telnet Port
    23
  143. SMTP Port
    25
  144. DNS Port
    53
  145. HTTP Port
    80
  146. POP3 Port
    110
  147. IMAP Port
    143
  148. HTTPS Port
    443
  149. RDP Port
    3389
  150. Cabling Standards include:
    • 3
    • 5
    • 5e
    • 6
  151. Cabling Standard Category 3:
    10Mbps
  152. Cabling Standard Category 5:
    100Mbps
  153. Cabling Standard Category 5e:
    Rated for 100Mbps and gigabit networks
  154. Cabling Standard Category 6:
    Rated for 100 Mbps and gigabit networks
  155. Wireless Ethernet Versions
    • 802.11a
    • 802.11b
    • 802.11c
    • 802.11n
  156. 802.11a Data Transfer Rate – Frequency
    54 Mbps – 5GHz
  157. 802.11b Data Transfer Rate – Frequency
    11 Mbps – 2.4 GHz
  158. 802.11c Data Transfer Rate – Frequency
    54 Mbps – 2.4 GHz
  159. 802.11n Data Transfer Rate – Frequency
    600 Mbps – 5 and 2.4 GHz
  160. Bluetooth is a _____________ technology
    short-range
  161. Bluetooth is aimed at _____________ communications and ___________ among network devices
    simplifying synchronization
  162. Bluetooth is divided into three classes:
    • Class I
    • Class II(most common)
    • Class III
  163. Bluetooth Class I has a maximum transmission range of ____ meters
    100 meters
  164. Bluetooth Class I has a maximum data transfer rate of ___ Kbps
    721 Kbps
  165. Bluetooth Class II has a maximum data transfer rate of ____ Mbps?
    2.1 Mbps
  166. Bluetooth Class II has a maximum range of __ meters.
    10 meters
  167. Bluetooth Class III has the _______ range
    shortest
  168. Bluetooth Class III is hardly used at a maximum range of __ meter
    1 meter
  169. Port forwarding does what?
    forwards an external network port to an internal IP address and port
  170. 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.
  171. Is it safe to open power supplies
    No
  172. Test AC outlets before use (True/False)
    True
  173. What kind of fire extinguisher should be used on electrical fires
    CO2-based BC
  174. Make the office safer by useing _______________ whenever possible?
    Cable Management
  175. (MSDS)
    Material Saftey DataSheets
  176. Consult _____ when encountering a product with chemicals (toner cartridges and cleaners)
    Material Saftey Data Sheets
  177. (ESD)
    Electro-Static Discharge
  178. Prevent ESD with?
    • antistatic strap and mat
    • touching computer chassis
    • use of antistatic bags
    • unplugging computers before working on them
    • increasing humidity
  179. What should your Incident Response for the First responser be?
    • 1. Identify what happened
    • 2. Document
    • 3. Set up Chain of Custody (chronological paper trail)
  180. 8 things about Professionalism
    • Be punctual to clients
    • Listen to customer
    • Clarify problems
    • Positive attitude
    • Speak Clearly
    • Set and meet expectations
    • Avoid distractions (phone, etc)
    • Avoid confidential data

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