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What is the Difference between Switch and Bridge?
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Answer / nathan
Generally, a bridge has only two ports and divides a
collision domain into two parts. All decisions made by a
bridge are based on MAC or Layer 2 addressing and do not
affect the logical or Layer 3 addressing. Thus, a bridge
will divide a collision domain but has no effect on a
logical or broadcast domain. No matter how many bridges are
in a network, unless there is a device such as a router
that works on Layer 3 addressing, the entire network will
share the same logical broadcast address space. A bridge
will create more collision domains but will not add
broadcast domains
A switch is essentially a fast, multi-port bridge, which
can contain dozens of ports. Rather than creating two
collision domains, each port creates its own collision
domain. In a network of twenty nodes, twenty collision
domains exist if each node is plugged into its own switch
port. If an uplink port is included, one switch creates
twenty-one single-node collision domains. A switch
dynamically builds and maintains a Content-Addressable
Memory (CAM) table, holding all of the necessary MAC
information for each port
| Is This Answer Correct ? | 31 Yes | 8 No |
Answer / rakesh kumar agrawal
Generally, a bridge has only two ports and divides a
collision domain into two parts. All decisions made by a
bridge are based on MAC or Layer 2 addressing and do not
affect the logical or Layer 3 addressing. Thus, a bridge
will divide a collision domain but has no effect on a
logical or broadcast domain. No matter how many bridges are
in a network, unless there is a device such as a router that
works on Layer 3 addressing, the entire network will share
the same logical broadcast address space. A bridge will
create more collision domains but will not add broadcast domains
A switch is essentially a fast, multi-port bridge, which can
contain dozens of ports. Rather than creating two collision
domains, each port creates its own collision domain. In a
network of twenty nodes, twenty collision domains exist if
each node is plugged into its own switch port. If an uplink
port is included, one switch creates twenty-one single-node
collision domains. A switch dynamically builds and maintains
a Content-Addressable Memory (CAM) table, holding all of the
necessary MAC information for each port
| Is This Answer Correct ? | 12 Yes | 3 No |
Answer / arunkumar
Fram of switch is software in Bridg,Hardwar (ASIC) in switch
Bridge is connected into a network it segemted into two.in
this the signle collsion domain comw to two.
| Is This Answer Correct ? | 18 Yes | 14 No |
Answer / nandini
Bridge is faster than Switch.
But Switch has more number of ports than Bridge.
Two networks can be segmented by Bridge.
| Is This Answer Correct ? | 6 Yes | 2 No |
Answer / lilprincesskrishna
Switch
1. They are hardware based. They use ASIC(Application Specific Integrated Circits) to create and manage their filter table or MAC address table
2. Switches have high port density
3. They have large frame buffer size
4. they can have different media access rates
5. they can have separate spanning tree for each VLANs in the switch
Bridge
1. They are software based. They use software to manage and crate filter tables
2. Low port density. Maximum 16
3. They can have only one spanning tree instance per bridge.
| Is This Answer Correct ? | 4 Yes | 1 No |
Answer / krunal
Switch can connect more than two networks/LANS/hosts
because switch has more than two ports,while bridge can
connect only two networks/LANS/hosts means it has only two
ports.
| Is This Answer Correct ? | 12 Yes | 10 No |
Answer / vikash ramola
In the switch network we can communicate with each computer
of same or two different network, whereas in bridge network
we cannot communicate with the computer of same network but
can communicate with the computer of different network.
| Is This Answer Correct ? | 5 Yes | 3 No |
Answer / md.ismail
switch is inteligent device which broad cast particular
given ip address
bridge is having two ports it working are it can communicate
two or more network
| Is This Answer Correct ? | 5 Yes | 7 No |
Answer / kapilasdhir
Generally Switch and bridge are having the same
functionality in the network but there is one major
difference between switch and bridge.
Bridge maximum 16 ports are available
Switch - Maximum 100 ports are available
| Is This Answer Correct ? | 27 Yes | 45 No |
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CCNA 
