Comptia A+ 1101 Exam; Questions &
Answers…Grade A+
IMEI (International Mobile Equipment Identity) Answer-A unique number that identifies a
mobile phone or tablet device worldwide. The number can usually be found imprinted on the
device or reported in the About menu of the OS. - Serial numbe...
Comptia A+ 1101 Exam; Questions &
Answers…Grade A+
IMEI (International Mobile Equipment Identity) Answer-A unique number that identifies a
mobile phone or tablet device worldwide. The number can usually be found imprinted on the
device or reported in the About menu of the OS. - Serial number
IMSI (International Mobile Subscriber Identity) Answer-A unique number that identifies a
cellular subscription for a device or subscriber, along with its home country and mobile
network. Some carriers store the number on a SIM card installed in the device.
Multi-mode Fiber (MMF) Answer-- Larger core than SMF
- Uses LED emitters
- Light enters the core at different angles
- Provides speeds of up to 10Gb/s over distances of up to 550m
- Popular in LANs because of low cost
- 2km range
A fiber optic cable used to transmit multiple signals at the same time. It cannot transmit signals
as far as SMF can.
Single-mode Fiber (SMF) Answer-- Fiber-optic cables that use lasers
- 80km range
- more expensive
USB 1.1 Answer-Low speed: 1.5 megabits per second, 3 meters
, Comptia A+ 1101 Exam; Questions &
Answers…Grade A+
Full speed: 12 megabits per second, 5 meters
USB 2.0 Answer-480 megabits per second
5 meters
USB 3.0 Gen 1 Answer-5 gigabits per second
3 meters
USB 3.1 Gen 2 Answer-10 Gbps
USB 3.2 Answer-10/20 Gbps
USB-C Answer-10 Gbps
24-pin
SATA Speeds (l shaped cable) Answer-1st Gen - 1.5 Gb/s
2nd Gen - 3.0 Gb/s
3rd Gen - 6.0 Gb/s
3.2 - 16Gb/s
, Comptia A+ 1101 Exam; Questions &
Answers…Grade A+
RJ-11 Answer-A phone line connection or port found on modems, telephones, and house
phone outlets.
-6P2C
RJ-45 Answer-A connector that is slightly larger than an RJ-11 connector and contains
eight wires. RJ-45 connectors most commonly attach twisted-pair cables to Ethernet.
-8P8C
DE/DB-9 (RS-232) Answer-Serial - 9-ping connector
Older, for modem, switch, router
F-connector Answer-A connector used with an RG-6 coaxial cable and is used for
connections to a TV and has a single copper wire. Or RG-59
DRAM Answer-Dynamic RAM
constant refreshing
SDRAM Answer-Synchronous Dynamic RAM
Sync with common system clock
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