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Why OSI layers having 7 layers instead of one layer.
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Answer / jitemdera ( cisco systems,us)
why we need OSI Layer
When the computer system come in in world every manufacture
uses there own model to process the data
in this case the computer of one Vendor can not communicate
with another Vendor
So to make it Standard we use OSI Model
Why the OSI model have 7 layer not One this is Bullshit
Question and i guess interviewer want to show hie knowledge
There are several reason let guess if we have only one
layer capable of holding all process of All seven layer
So what algo they will use
is it FIFO or what then think about CPU utilization for a
system ( You have change yours RAM and Processors in each
second)
This is Bullshit question and you have to replay in tcp we
have 5 layer only right
Every layer have there own function and while processing the
data every layer tags there signature on the data and the
process to next layer
as per example if in a bus a driver will do the duty of
Driver ,Ticket checker the Bus will delay like any thing
So is a Bullshit question ...
| Is This Answer Correct ? | 16 Yes | 2 No |
Answer / santosh
* Standardizes the N/W components to allow multiple vendor development & support.
* By breaking into 7 Layers to make learning easier.
| Is This Answer Correct ? | 4 Yes | 1 No |
Answer / sagar
OSI model has 7 layers.
each layer has its own use , depending on the layers devices
are their say switch for layer 2 router for layer 3 , hence
depending on the issue the troubleshooting can be made easily
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / santhoshreddy katam
OSI layers having 7 layers because of all protocols handled
by one layer is not efficiently.the category of 7 layers
handled the proocols is very simple.in this we divide the
protocols based on their purpose.for example highlevel
protocols are included in appliction layer and tcp,udp in
ranspor layer.
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / samyak
I will ease our configuration and troubleshooting steps
.Like if telnet is not working then we easily find out the
problem of application layer we don't have to check everything .
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / prasad
sorry for my answer, why do you have two organs in the body
why shouldnt you only one hand, ear, eye,leg? just like
this only for efficiency and performance they have 7
layers. please dont mind.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / amit dey
Troubleshooting issues will get very difficult and complex If Only one layer is used bcoz
If all layers are used Isolating the problem is related to which layer becomes easy
| Is This Answer Correct ? | 0 Yes | 0 No |
Write an access list line which will deny node 20.0.2.1 to anywhere on your network using DNS via UDP. Don't worry about the other access list lines.
What is fcs?
Which Standard IP Access list commands will deny only the source address 1.1.1.1? A.) access-list 9 deny host 1.1.1.1 B.) access-list 9 deny 1.1.1.1 255.255.255.0 C.) access-list 9 deny 1.1.1.1 0.0.0.0 D.) access-list 9 deny 1.1.1.1 0.255.255.255 E.) access-list 9 deny 1.1.1.1 255.255.255.255
Which layer called error detection layer?
How many types of IP routings?
14 Answers CK, TCS,
How are straight and crossable cables different from each other?
What is bgp?
what is telnet,ssh?? what is the perpose of this? wer r this configured and how to configured??
What is the purpose of the Data Link?
What is the Network Layer of the OSI responsible for? A.) Bridging B.) Routing packets through an internetwork C.) Regenerating the digital signal D.) Gateway services
What does vlan provide?
Which OSI layer establishes, maintains and terminates sessions between applications? A.) Application B.) Physical C.) Data-Link D.) Presentation E.) Network F.) Session
CCNA 
