Domain 3.0: Hardware Flashcards
What cable is rated for 100 Mbps & 1 Gbps network at 100/350 MHz
Cat 5e
What Cable is rated for 100 mbps network at 100 MHz
Cat 5
What cable it’s rated for 1000 Mbps &/Or 10 Gbps network at 600/1000 MHz
Cat 7/7a
what cable is rated for 1000 Mbps and/or 10 Gbps network at 250/500 MHz
Cat 6/6a
What does throughput mean?
Throughput means actual speed
Reference page 171
RJ45 wired for 568B on each end is considered
568B: Straight through cable
8P8C is also known as
RJ 45 connector
What is signal attenuation
signal attenuation is the weakening or degrading of the signal.
Example: UTP can only be run at 100 meters before signal attenuation occurs
What does Plenum-rated cable mean & where would you use this
This means the cable has a special Teflon coating to reduce the amount of PVC chemicals released into the air in case of a fire
Plenum-rated cables are mainly used anywhere a sprinkler system cannot be reached. Example: Inside above-dropped ceilings
UTP (Unielded Twisted Pair) is susceptible to EMI (Electromagnetic Interference)
True
What cable was developed to resist EMI and possibly prevent unauthorized network access
STP (Shielded Twisted Pair)
What cable uses an F-connector
Coaxial cable
Internet Cable connection use
RG-6 coaxial cable
Double shielded cable
RG-6/U
Quadruple shielded cable
RG-6UQ
RG - 6 Coaxial cables can carry up to how much GHz
1.5
Multimode fiber can transmit data as far as
600 meters
What is the data transfer rate for USB 2 - 3.2
- 0 - 480 Mbps
- 0 - 5 Gbps
- 1 - 10 Gbps
- 2 - 10/ 20 Gbps
How many devices can be daisy-chained with Thunderbolt
Up to 6
The data rate for Thunderbolt 1, 2 & 3
10, 20 & 30
Connection type for thunderbolt 1 - 3
1 & 2 use display port and USB type C is used with thunderbolt 3
How many pins does an Integrated Drive Interface (IDE) have
40 Pins
and maybe 4 pin Molex connector for power
How many devices can you connect with SCSI connector
16 devices
Data rate for DDR 1
1600 Mbs
How many pins does a DDR2 Have
240 pins
PC2 - 6400 is also known as what
DDR2
Is DDR 3 backward compatible with DDR 2
No
DDR3 is also known as
PC3-10600
DDR is used in Desktop computers?
True
How many pins does DDR2 have ?
240 pins
How many pins does DDR3 have ?
240 pins
How many pins does DDR4 have ?
288 Pins
What is ram parity
Ram parity is a type of ram used for error detection
RJ - 11 Is consideredtwisted pair wire
True
What type of connection is RS - 232 considered?
Serial connection or DB9 or DB15
Which usb is type is compatible to usb 2.0
USB Type C
What connection type is used to connect internal hard drives and / or external devices
SCSI
eSATA used to connect storage devices to computers
True
Whsat connection is used inside the computer to provide power
Molex is used to provide power to various drives and motherboard. Molex has 4 pins
6P2C is also known as
RJ 11
Which opf the two have a thread at the end? F-connector or BNC Connector
F-connector has a thread used to screw / plug into a port. BNC only twist
How many bits does a parity ram have
9 bit. Last bit is used to check the intergity
How many bits can SATA Revison version 3.0 run ?
6Gb/s 600 Mb/s
How many bits can SATA Revison version 3.2 run ?
16 Gb/s and transfer 1969 Mb/s
What are the two main widths of Hard Disk Drives for desktops
- 5 and 2.5
2. 5 is mostly used in laptops
What is Synchronous Dram? (SDRAM)
is a generic name for various kinds of dynamic random access memory (DRAM) that are synchronized with the clock speed that the microprocessor is optimized for.
