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 CCNA interview questions  CCNA Interview Questions
 CCDA interview questions  CCDA Interview Questions
Question
PLACE YOURS QUESTION HERE I ALSWYS BE HERE FROM 9 AM TO 6PM SO 
U CAN FIND YOUR ANSWER QUICKLY.IF I KNOW THEN ?

JJIITTEENNDDEERRAA SSIINNHHAA
 Question Submitted By :: Jjiitteennddeerraa Ssiinnhhaa
I also faced this Question!!     Rank Answer Posted By  
 
  Re: PLACE YOURS QUESTION HERE I ALSWYS BE HERE FROM 9 AM TO 6PM SO U CAN FIND YOUR ANSWER QUICKLY.IF I KNOW THEN ? JJIITTEENNDDEERRAA SSIINNHHAA
Answer
# 1
What is FECN {Forward Explicit Congestion Notification}?
 
Is This Answer Correct ?    0 Yes 0 No
Kapilasdhir
[Pioneer]
 
  Re: PLACE YOURS QUESTION HERE I ALSWYS BE HERE FROM 9 AM TO 6PM SO U CAN FIND YOUR ANSWER QUICKLY.IF I KNOW THEN ? JJIITTEENNDDEERRAA SSIINNHHAA
Answer
# 2
What is FECN {Forward Explicit Congestion Notification)
hi kapilashdhir
                 thanks for the question here is the i am trying to provide answer

fecn=this is a mechanism of frame really congestion control

as we know that in the frame realy mechanism we have some link of limted bandwidth 
but if another link is available then we can use that link for our data forwarding.

suppose we are forwarding some data through farme realy network moere then our COMMTED RATE.NOW suddnly some link not avlable  but we are not aware of that is there is congesstin in network we are continusly forwarding the data at the same rate.
what happen due to this a  trafic congusstion will ocur
so for solving that problem  two mechnaism come in acount
1 bemcn-bacward explict
2 fecn-forward explict

i hope it will help to understand the farme really technolgy

now how the both are working
i will explain it latter
 
Is This Answer Correct ?    0 Yes 0 No
Jitendera Sinha
 
 
 
  Re: PLACE YOURS QUESTION HERE I ALSWYS BE HERE FROM 9 AM TO 6PM SO U CAN FIND YOUR ANSWER QUICKLY.IF I KNOW THEN ? JJIITTEENNDDEERRAA SSIINNHHAA
Answer
# 3
Thnx Jitendera. Can u give me ur mail id, my yahoo mail & messenger id is asdhir.kapil@yahoo.com. Myself kapil and working in Pioneers Group as a Server Admin. Thnx again Brother
 
Is This Answer Correct ?    0 Yes 0 No
Kapil Asdhir
 
  Re: PLACE YOURS QUESTION HERE I ALSWYS BE HERE FROM 9 AM TO 6PM SO U CAN FIND YOUR ANSWER QUICKLY.IF I KNOW THEN ? JJIITTEENNDDEERRAA SSIINNHHAA
Answer
# 4
FECN=Forward Explicit Congestion Notification bit

Explicit congestion notification is proposed as the 
congestion avoidance policy. It tries to keep the network 
operating at its desired equilibrium point so that a 
certain Quality of Service (QOS) for the network can be 
met. To do so, special congestion control bits have been 
incorporated into the address field of the frame relay: 
FECN and BECN. The basic idea is to avoid data accumulation 
inside the network. FECN means Forward Explicit Congestion 
Notification. The FECN bit can be set to 1 to indicate that 
congestion was experienced in the direction of the frame 
transmission, so it informs the destination that congestion 
has occurred. BECN means Backwards Explicit Congestion 
Notification. The BECN bit can be set to 1 to indicate that 
congestion was experienced in the network in the direction 
opposite of the frame transmission, so it informs the 
sender that congestion has occurred.
 
Is This Answer Correct ?    0 Yes 0 No
Pachicoo
 

 
 
 
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