Standards Flashcards
(100 cards)
What is the standard for LLC - Logical Link Control?
IEEE 802.2
What is IEEE 802.2 concerned with?
Logical Link Control
What is the standard for Token Ring?
IEEE 802.5
What is IEEE 802.5 concerned with?
Token Ring
What is the standard for Ethernet?
IEEE 802.3
What is IEEE 802.3 concerned with?
Ethernet
What are the two standards for thinnet? (ethernet cabling and radio grade)
- 10Base2
- RG-58
What are the two standards for thicknet? (ethernet cabling and radio grade)
- 10Base5
- RG-8
What is the cable standard for cable television? (short distances)
RG-59
What is the cable standard for cable television? (longer distances(
RG-6
UTP Cat 1
2 twisted pairs
Voice grade only (POTS)
1 MHz
UTP Cat 2
4 twisted pairs
Up to 4Mbps
10 MHz
obsolete
UTP Cat 3
4 twisted pairs
3 twists per foot
Up to 10 Mbps ethernet
16 MHz
now obsolete for networks
UTP Cat 4
4 twisted pairs
20 MHz
obsolete
UTP Cat 5
4 twisted pairs
100BaseTX (2 pair wiring)
100MHz
UTP Cat 5e (enhanced)
4 twisted pairs
1000BaseT (4 pair wiring)
100MHz
UTP Cat 6
4 twisted pairs
1000BaseTX (2 pair wiring)
limited to 55m for 10GBaseT
250MHz
UTP Cat 6a (augmented)
4 twisted pairs
10GBaseT
500MHz
STP Cat 7
4 twisted pairs
10GBaseT
600MHz
STP Cat 8
4 twisted pairs
25GBaseT
40GBaseT
limited to 30m
2000MHz
RS-232
Recommended Standard 232.
Serial connections between DTE and DCE (ie computer serial port to modem)
DB-9
9 pin serial connector (used for RS-232)
802.3u
Fast ethernet
802.3ab
Gigabit ethernet on cat 5+