Term
| How many Bits is the preamble? |
|
Definition
| 64-bits of consecutive 1's & 0's ending with 11 |
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Term
| What are the 6 parts to an ethernet frame? |
|
Definition
Preable
Recipient
Sender
Data
PAD
CRC |
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Term
| Ethernet networks can be configured as a ___ or ___ topology. |
|
Definition
|
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Term
|
Definition
| if the ethernet frame is smaller then 64 bytes, junk data will be added to the pad to make the 64 byte minimum |
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Term
| CSMA/CD stands for what? Is used in what type of network |
|
Definition
| Carrier Sense Multiple Access / Carrier Detect. Ethernet networks |
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Term
| Todays ethernet networks use what physical and logical topologies? |
|
Definition
Physical bus, logical bus
Physical star, logical bus
Physical star, logical star |
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Term
| Fast ethernet is also known as? |
|
Definition
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Term
Standard 10BaseT:
Category
Bandwith
Cable Type
Max segment length |
|
Definition
Ethernet
10mbps half, 20mbps full
Cat 3,4, or 5 twisted pair
100 Meters |
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|
Term
Standard 10BaseFL:
Category
Bandwith
Cable Type
Max segment length |
|
Definition
Ethernet
10mbps
Multimode
1000 to 2000 meters |
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|
Term
Standard 100BaseT4:
Category
Bandwith
Cable Type
Max segment length |
|
Definition
100mbps half, 200mbps full
Cat 5 or higher (uses 4 pairs of wire)
100 meters |
|
|
Term
Standard 100BaseFX:
Category
Bandwith
Cable Type
Max segment length |
|
Definition
FastEthernet
100mbps
multimode cable
412 meters |
|
|
Term
Standard 1000BaseT:
Category
Bandwith
Cable Type
Max segment length |
|
Definition
Gigabit Ethernet
1000mbps (half), 2000mbps (full)
Cat 5e twisted pair
100 meters |
|
|
Term
Standard 1000BaseCX:
Category
Bandwith
Cable Type
Max segment length |
|
Definition
Gigabit ethernet
1000 mbps (half), 2000 mbps (full)
Special copper 150 ohm
25 meters within wiring closets |
|
|
Term
Standard 1000BaseSX:
Category
Bandwith
Cable Type
Max segment length |
|
Definition
Gigabit ethernet
1000 mbps (half), 2000 mbps (full)
fiber optic
220-550 meters depending on cable quality |
|
|
Term
Standard 1000BaseLX:
Category
Bandwith
Cable Type
Max segment length |
|
Definition
Gigabit ethernet
1000 mbps (half), 2000 mbps (full)
550 meters (multi mode)
10 km (single mode) |
|
|
Term
Standard 10GBaseSR:
Category
Bandwith
Cable Type
Max segment length |
|
Definition
10 Gig eternet (Full only)
Fiber optic
2-300 meters |
|
|
Term
Standard 10GBaseLR:
Category
Bandwith
Cable Type
Max segment length |
|
Definition
Gigabit ethernet
10 Gig (full only)
Fiber optic
2-10 Km |
|
|
Term
Standard 10GBaseER:
Category
Bandwith
Cable Type
Max segment length |
|
Definition
10 Gig (Full)
Fiber optic
2-40 Km |
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|
Term
| What is the maximum of UTP Ethernet "T' implementations |
|
Definition
|
|
Term
| What 2 Ethernet standards utalized coaxial cable? |
|
Definition
|
|
Term
| What is the maximum number of hosts supported by Ethernet? |
|
Definition
|
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Term
| Type 1A STP or Cat 5 UTP can be used for what Fast Ethernet standard? |
|
Definition
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Term
| IEEE 802.5 is also known as? |
|
Definition
|
|
Term
| What physical and logical topologies use? |
|
Definition
| Physical Star, Logical Ring |
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|
Term
| What is the central connection point of a token ring network? |
|
Definition
|
|
Term
| IEEE 802.5 represents what standard? |
|
Definition
|
|
Term
| What are the benefits of Token Ring? |
|
Definition
-No collisions
-Transmitting host uses entire bandwith
-Assign priorities to host
-Built in diagnostics |
|
|
Term
| What are the disadvantages of 802.5? |
|
Definition
-higher cost then Ethernet 802.3
-Slower then Ethernet 802.3 |
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|
Term
| What is the network topology of a token ring network? |
|
Definition
| 802.5 uses the physical star, logical ring, physical ring is possible but not likely |
|
|
Term
| What transmission media is used by token ring? |
|
Definition
| Special IBM cables, STP, UTP, and Fiber optics |
|
|
Term
| What dropcables are required by 802.5? |
|
Definition
Type 1 or 2 STP w/ DB-15 connector
-CAT3 4 mbps or CAT5 16mbps UTP with RJ-45 connectors |
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Term
| How does the MAU support the Token Ring network? |
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Definition
| MAUs can be uplinked via patch cables between the RI and RO ports. Both sets must be connected or the ring will not be complete |
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Term
| What is the common token ring network speed? What are some newer standard speeds and are they widely adopted? |
|
Definition
| 4M and 16M, 100M or 1000M and they have not been widely adopted |
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