220-1101 Hardware Flashcards
Which network cable designation has a speed for 100-Mbps
Cat 5
Which network cable designation is enhanced to handle 1-Gbps and 2.5 Gbps networks at 100-meter segments
Cat 5e
Which network cable designation supports 1-Gbps, 2.5-Gbps, and 5 Gbps networks at 100-meter segments and 10-Gbps networks up to 55-meter segments?
Cat 6
Which network cable designation is a nonstandard term used by a few manufacturers for Cat 6 or Cat 6a
Cat 6e
Which network cable designation supports 10-Gbps at 100-meter segments, has shielding for individual wire pairs reduce crosstalk and noise. and is not an ANSI/TIA standard.
Cat 7
T/F: Ethernet standards using coax is long gone
True
Which cable is primarily used for cable modems and satellite connections?
Coaxial
Which cable consists of a center cable (core) surrounded by insulation. Then it is covered with a shield of braided cable?
Coaxial
Which cable is protected from interference with a shield of braided cable?
Coaxial
Which cable is rated using RG name which rates the cable by impedance
Coaxial
Which coaxial RG names (2) are the most important and rated at 75-ohm impedance?
RG-59 and RG-6
Which cables are twisted pair wires are surrounded by shielding to protect them from electromagnetic interference?
Shielded twisted pair
Which cable is rare for 1000Base-T networks because need is rare?
Shielded twisted pair
Which STP has a thicker jacket and some waterproofing for outdoor and burial use?
Direct burial
Which cable is the specified cabling for 100/1000BASE-T as well as 10GBASE-T?
Unshielded twisted pair
Which cable is the predominant network cabling system used today?
Unshielded twisted pair
Which cable is made with a fire-retardant jacket and is required for plenum space. About 3-5 times more expensive?
Plenum-grade cable
Which cable standard has a 2000 meter distance?
Fiber
Fiber networks mostly use what type of cable?
62.5/125 multimode fiber optic cable
When fiber uses two strands, one for sending and one for receiving, it is referred to as what?
multimode
Which fiber mode has 10-100+ Gbps, distance ~600 meter?
multimode
Which fiber mode is very fast and travels extremely far?
singlemode
What are the standards for connecting an RJ45 connector to UTP cable?
T568A/T568B
Which version of USB was marketed as Hi-Speed; runs at 480 Mbps?
2.0
Which version of USB was marketed as SuperSpeed; speeds up to 5 Gbps?
3.0
Which version of USB was marketed as Superspeed; handles speeds up to 10 Gbps?
3.1
Which version of USB has speeds up to 20 Gbps using a pair of 10-Gbps lanes?
3.2
Which connection standard is older, uses 9-pin, D-shell male socket, called a DB9 or an RS232?
Serial
Which cable supports video up to a single 4k video monitor, audio and storage devices?
Thunderbolt
What do Thunderbolt 1 and 2 connect with?
Mini DisplayPort (mDP) connector
What does Thunderbolt 3 connect with?
USB Type-C connector
What is the distance of copper Thunderbolt?
3 meters
What is the distance of fiber Thunderbolt?
60 meters
What is the icon for USB Type-C thunderbolt ports?
a lightning bolt
Which version of Thunderbolt runs full duplex at 10 Gbps?
version 1
Which version of Thunderbolt runs full duplex at 20 Gbps?
version 2
Which version of Thunderbolt runs full duplex at 40 Gbps?
version 3
T/F: HDMI carries both video and audio signals.
True
T/F: All versions of HDMI can handle any resolution.
False
T/F: Full-sized display port connection are not common.
False
Which Thunderbolt version uses the same connector types as Mini DisplayPort (mDP)?
Version 1 and 2
Which versions (2) of USB support using the Type-C connector to drive a display without TB?
Version 3 and 4
Which display port involves an analog to digital connection?
Digital visual Interface (DVI)
Which DVI was digital?
DVI-D
Which DVI was analog?
DVI-A
Which DVI (2) was interchangeable?
DVI-A/D or DVI-I
Which DVI (2) can be single-link or dual-link?
DVI-D or DVI-I
Which DVI link can drive 1920 x 1080 at 60 Hz?
single-link
Which DVI link can drive a 2048 x 1536 display at 60 Hz?
dual-link
Which graphics cable is very old, the least-capable monitor connection type and has a 15-pin, three-row, D-Type connection?
Video Graphics Array (VGA)
Which storage drive cable creates a point-to-point connection between the drive and the the host bus adapter (HBA)?
Serial Advanced Technology Attachment (SATA)
Which hard drive cable has a max length of 40 inches?
Serial Advanced Technology Attachment (SATA)
For SATA, how much of the speed is used for overhead?
20%
Which version of SATA has 1.5 Gbps, 150 MBps throughput?
SATA 1.0
Which version of SATA has 3 Gbps, 300 MBps throughput?
SATA 2.0
Which version of SATA has 6 Gbps bandwidth, 600 MBps throughput?
SATA 3.0
Which version of SATA has up to 16 Gbps, 2000 MBps throughput?
SATA 3.2 (SATAe)
Which storage drive cable standard was the first standard that supports hot swapping?
SATA
Which storage drive cable standard ties drives directly to the PCI Express bus on the motherboard?
SATA Express (SATAe)
Each lane of PCIe 3.0 is capable of how much throughput?
8 Gbps
T/F: you can’t connect SATA cables into a SATAe port.
False
Which storage drive cable standard is used primarily in the server market?
Small Computer System Interface (SCSI)
Which storage drive cable standard uses a variety of ribbon cables depending on the version
Small Computer System Interface (SCSI)
Which storage drives provide fast and robust storage for servers and storage arrays today?
Serial Attached Storage (SAS)
Which SAS version has speeds up to 22.5 Gbps?
SAS-4
T/F: SAS controllers also support SATA drives.
True
Which standard allows you to connect external drives to the SATA bus?
External SATA (eSATA)
External SATA (eSATA) has cable lengths up to what length?
2 meters
T/F: eSATA is hot swappable.
True
Which standard dissapeared with the advent of USB 3.0?
External SATA (eSATA)
What is the cable length for PATA (IDE)?
18 inches
What is the cable length for SATA?
1 meter
What is the cable length for eSATA?
2 meters
Which standard uses 40-pin ribbon cables?
Integrated Drive Elecrtonics (IDE): also known as PATA
What kind of power connector does PATA use?
Molex
What kind of adapter do you use when you don’t need access to a number of ports at once. Examples: wired Ethernet and optical drives
USB Adapters
What does RJ stand for?
registered jack
Which RJ connects to a traditional telephone connection?
RJ11
Which RJ has connections for two wires?
RJ11
Which RJ is standard for UTP connectors?
RJ45
Which RJ is used by twisted pair cat 3,5,5e etc?
RJ45
Which RJ has connections for up to four pairs and wider than RJ11?
RJ45
What are the two standards exists for connecting the UTP cable to the RJ45 connector?
T568A and T568B
T/F: It doesn’t matter if you use T568A and T568B as long as you keep it consistent.
True
What is the standard Coax connection?
F type
Which (2) are fiber connections and half duplex?
Straight tip (ST) and Subscriber connector (SC)
What is a fiber connection and full duplex
Lucent connector (LC)
What is the most common type of patch panel?
Punchdown block
What is a punchdown block also commonly referred as?
110-punchdown block
What cables are patch panels used to connect to?
fragile solid core cables
What has small metal-lined grooves for individual wires?
Punchdown block
What tool is used to make connections to a Punchdown block?
A punchdown tool
T/F: Mini A and micro USB A connectors were basically ignored
True
microUSB B and miniUSB B connectors connect what?
smaller devices such as cameras and smartphones
USB-C is also known as what?
Type-C
What does USB-C replace?
both A and B plugs of all sizes
Which standard uses 24 pins and can be inserted in either orientation?
USB-C
Which standard supports USB 3.1 and Thunderbolt?
USB-C
Which standard supplies 5-V and 12-V current for fans and older drives?
Molex
Which power standard Can be plugged in upside down but not a good thing?
Molex
Current iPhones and most iPads use what port for all physical connectivity?
Lightning
Which port is Apple proprietary?
Lightning
What is a 9-pin D-shell serial port Also known as a RS232 (recommended standard 232)?
DB9
What is Virtual RAM also known as?
virtual memory
What uses a portion of the HDD or SDD as memory?
Virtual RAM
What saves memory to a page file or swap file?
Virtual RAM
In Windows, where can Virtual RAM be found?
pagefile.sys and can find it in the root directory of the C: drive
Where is small outline dual inline memory module (SODIMM) found?
laptops
How many pins for DDR3 SO-DIMMS?
204 pins
How many pins for DDR4 SO-DIMMS?
260 pins
How many pins for DDR5 SO-DIMMS?
262 pins
What is the advantage of each newer version of DDR
Higher speeds more efficient architecture and around 30 percent lower power consumption
Which DDR has a maximum capacity of 16-GB for each module?
Double Data Rate 3 (DDR3)
Which DDR version theoretically up to 512 GB modules, but DIMMs are sold at 64GB max (256GB for enterprise)
Double Data Rate 4 (DDR4)
Which DDR has 64GB to 256 GB DIMMs?
Double Data Rate 5 (DDR5)
What RAM detects and corrects any time a single bit is flipped on-the-fly?
Error correction code (ECC) RAM
T/F: ECC can detect, but not correct, a double bit error.
True
T/F: ECC is faster than other types of RAM
False
What type of RAM is regular use of ram and not paired with other sticks?
Single-channel
Which type of RAM uses two sticks of DDR SDRAM together to increase throughput, requires two identical sticks of DDR and they must snap into two paired slots?
Dual-channel
What is the results of getting a hard drive with faster spindle speeds?
the faster the drive stores and retrieves data
the more noise and heat is generated
What is the result of excess hard drive heat
reduces drive life dramatically
Which hard drive spindle speeds are common?
5,400 and 7,200 rpm
Which hard drive spindle speeds are less common?
10,000 and 15,000 rpm
How do you mitigate excess hard drive heat?
more/better airflow
Which storage drive form factor is mostly used by laptops, but can also be used by desktops and servers?
2.5
Which storage drive form factor is only used by desktops and servers?
3.5
Which storage communication interfaces (2) uses the PCIe bus lane?
Non-volatile Memory Express (NVMe) and Peripheral Component Interconnect Express (PCIe)
Which storage communication interface can be a 2.5-inch SATAe connector, but most of the time is a M.2 format?
Non-volatile Memory Express (NVMe)
Which storage communication cables have 7 connectors instead of PATA 40?
SATA
Which drive connection form factor is a flat form, most motherboards offer two or more of them, and is the current form factor?
M.2
Which storage drive form factor is a low profile form but older than M.2?
mSATA
Which RAID
1. requires at least two drives
2. any loss of drives results in lost data
RAID 0
Which RAID is disk striping where files are split, no redundancy is provided, and should not be done?
RAID 0
How much storage do you get from RAID 0
all storage between drives
Which RAID is described by disk mirroring; two redundant drives. Safe but slow?
RAID 1
What is it called in RAID if you use two separate drive controllers?
disk duplexing
What is the advantage to disk duplexing?
It is safter and faster than mirroring
Which RAID
1. requires as least two drives
2. can lose 1 drive without losing data
RAID 1
How much effective storage do you get from RAID 1?
half
Which RAID is disk striping with distributed parity?
RAID 5
Which RAID
1. distributes data and parity throughout the drives
2. fastest way to provide data redundancy
3. requires at least 3 drives
4. can lose 1 drive without losing data
RAID 5
How much effective storage do you get from RAID 5?
-1 drive for parity
Which RAID is referred to as nested, striped mirrors, stripe of mirrors
RAID 10
Which RAID
1. multiple RAID levels combined to achieve multiple benefits, including speed, capacity, and reliability
2. lowers efficiency
3. minimum of four drives
4. has up to two failures before data loss
RAID 10
How much effective storage do you get from RAID 10?
half
Thumb drives, jump drives, and flash drives are collectively known as what?
USB flash memory drives
USB thumb drives have what type of connector?
standard USB connector
Which storage media has replaced almost all other rewritable removable media?
USB thumb drives
What is the generic term for storage used in cameras, smartphones and other devices?
Memory cards
What is the oldest removable flash media card standard?
CompactFlash (CF)
What comes in two sizes: CFI (3.3 mm thick) and CFII (5 mm thick)?
CompactFlash (CF)
What are the smaller versions of Secure Digital (SD) cards?
mini Secure Digital (miniSD) and micro Secure Digital (microSD)
Where are SD cards commonly found?
Cameras
Where is microSD commonly found?
in devices where small size is an advantage
What are SD cards that can store 4 MB to 4 GB?
Standard SD cards
What are SD cards that can store 4GB to 32 GB?
Secure Digital High Capacity (SDHC)
What are SD cards that can store 32 GB to 2 TB?
Secure Digital Extended Capacity (SDXC)
Which SD generation has speeds classes: 2, 4, 6 and 10 indicates the cards minimum MB/s write speed?
first generation
Which SD generation has the Ultra High Speed (UHS) bus and can use the UHS Speed Class standard?
second generation
Class U1 cards (second generation SD) should both read and write at what speed?
a min of 10 MB/s
U3 cards (second generation SD) should read and write at what speed?
a minimum of 30 MB/s
Which SD generation is the Video Speed Class?
third generation
The SD Video Speed Class supports what resolutions?
4K and 8K
The SD Video Speed Class V6 runs at what speed?
6 MB/s
The SD Video Speed Class V90 runs at what speed?
90 MB/s
Which SD class is used for smartphones?
Application Performance Class
The SD Application Performance Class A1 and A2 supports what speed?
minimum of 10 MB/s sustained write