As we undertaking into today’s Cisco CCENT and CCNA exam scenario based concern we will be covering the object of collision and broadcast domains. It will certainly be really common for you to see on the CCNA or CCENT exam concerns in which you need to recognize the number of collision and also broadcast domain names based top top a topology diagram. For this reason the very first thing you require to have the ability to do that so understand exactly how to read a basic network topology together you will check out a multitude of this topology diagrams top top the exam.
You are watching: How many broadcast domains are in the topology?
Now one of the points Cisco tries to do on the CCENT and also CCNA exam is to confused you with comparable terminology such together the terms collision domain and also broadcast domain. Therefore you must make sure you understand the difference in between the two and can choose out each in the topology diagram. For this reason let’s take it a look at it.
Now the you had a chance to review the diagram, let’s take a look in ~ the linked question. One point you will desire to keep in mind though because that those of you shot to brain dump, Cisco is on to that and also what they room doing is slightly differing the topology chart while giving the same collection of answers. So the is why you really require to know the material and not do mind dumps (also if friend do mind dump and also get a job, you will be found out really quickly and also looking for job-related again).
Which that the adhering to statements define the network displayed in the graphic? (Choose two)
A. There room two broadcast domains in the network.
B. There are 6 broadcast domain names in the network.
C. There are 4 broadcast domain names in the network.
D. Over there are 5 collision domains in the network.
E. Over there are seven collision domain names in the network.
F. There are four collision domain names in the network.
So what we are going to carry out is start off with several of the theory behind this sort of question prior to we administer you the answer.
A collision domain is one area wherein frames that have actually collided space propagated and it commonly happens as soon as there is a hub or a repeater, a collision domain is usually damaged up by a class 2 an equipment such together a switch or a class 3 an equipment such together routers. A transfer domain is an area where all devices receive broadcast frames such as a switched network the doesn’t have actually VLANs. Routers normally break up broadcast domains.
In this scenario, there room 2 transfer domains, one top top the ideal side whereby there is a hub, and also the various other on the left side wherein there is a switch. The router breaks up the transfer domain. Further, there room 5 collision domain names 1 top top the right because it is a hub and also on the left each connection to the move is a collision domain and it is broken up through the router.
So that leave us with the correct answers of A and also D.
Learning concept is great, yet what really hammers residence how this works is by replicating this scenario in your CCENT and also CCNA home lab. Together you can see indigenous the topology chart you have the right to do this an extremely easily. The machine in the top center that is round with two arrows pointing in and two arrows discussing is a router. The machine on the left through the 4 arrows discussing is a switch and also the machine on the right with the single line and also two arrows stating is a hub. These space networking industry standard diagrams which friend will need to know for the exam. The router you will need to have actually will have to have two Ethernet port on it. If you space unsure of i beg your pardon Cisco routers have two Ethernet ports on it girlfriend can find a pretty great overview of lock on ours CCENT & CCNA lab Suggestions page .
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You deserve to then use any kind of Cisco switch and any brand hub. Through recreating this rap topology, girlfriend will be able to use a program prefer WireShark which we incorporate in ours kits and also see how the traffic moves ~ above the network and also where the routers rest up the transfer domains. So while finding out the theory behind the concern is definately valuable, seeing it work-related with real hands on experience is the thing that provides it sink in for most so lock don’t forget the concept. If you are interested few of our rap kits, you can see them below.