Tag - Bandwidth

What is the difference between OSPF and RIP?
Short Question CCNA EIGRP

What is the difference between OSPF and RIP?

RIP and OSPF are both routing protocols likely you have used without even knowing it. A routing protocol describes the way your data (or signals) get from your PC on a network to another PC or device on the network.

RIP = Hop count Algorithm

The only metric used to calculate the cost of a path (path is from point A to destination B) is the hop count from router A to router B, even if you have a path with more hops and more bandwidth available.

OSPF = Link State Algorithm

This is a more intelligent algorithm, tha build a topology of network and build the cost regarding some characteristics of path like bandwidth, load, reliability, etc.A real life example would be like when work is done and its time to drive home. You have multiple routes usually to choose from to get home. The shortest way home would obviously be a straight line from work to home. Unfortunately no magic road exists from where ever you are directly to where ever you need to go. So if you were using RIP to get home you would drive in a straight line (or take the roads that would more or less offer you a straight route home). Thing is, these roads may be BUSY, very busy in fact, you can sit in traffic for a half hour moving less than 1km sometimes. So technically the shortest way (straight line) may not be the most efficient way. Now if you were using OSPF, you would take into account traffic and other variables to decide how to get home. The quickest route home may not be the direct path, it may be a back road that has less traffic on it, through a sub division, and then to your house. However because you were using OSPF you got home quicker than if you were to use RIP as RIP didn’t really look at what the traffic was like. Now in the above paragraph turn the word “work” into “client” and the word “home” into “server” and replace the word “you” with “the packet” – magically we turn the above paragraph into tecnobabble


Short Question CCNA EIGRP

146- After how long keep alive messages exchange in EIGRP?


147- Which type of updates EIGRP protocol do?


148- What is the draw back of EIGRP protocol?


149- What is the matric of EIGRP protocol?

i) Bandwidth

ii) Load

iii) Delay

iv) Reliability

v) MTU

vi) Maximum Transmission Unit

150- In EIGRP metric parameters which 2 Options are enable by default?

i) Bandwidth

ii) Delay

151- Which protocol can do load balancing on unequal cost also?


152- 1350 value in which type of Access-list?


153- 1900 value in which type of Access list?


154- 2500 value in which type of Access list?


155- What is the difference between named and Extended ACL?

In named Access-list we can edit and also give name

156- When we use standard Access-List?

When there is no Destination

157- When we use extended Access-List?

When there is source and Destination

158- What is the default behavior of Access-List?


159- On which interface we always Apply Access-List?

Fast Ethernet

160- Wild card mask always in odd value or even


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CCNA Interview Question Part 14

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