How IEEE Calculate the Cost of Link (ex.. 10mbps is having Cost 100) Is there any formula or any test to calculate it.

hi shyam i am putting urs question here I am facing one problem in my layer 2 switch I don’t know the problem is on switch side or client side. The problem is some PC (not all) are stop participate in LAN they don’t send or recd. Packet from switch and if I check RJ45 (with LAN tester)from PC side the packet and 8 pin wire is working fine and after that process of LAN tester I plug RJ 45 in PC now PC start recd/ send packets what is the problem I don’t understand even client side no virus found RJ45 is ok and switch has no problem bcoz other PC is working fine Cable (cat 5 ) is also fine bcoz I didn’t crimp again just check in LAN tester and start working fine. Plz any one solve this matter. And after lan tester process pc is working fine and after 2 or 3 hour it again start same problem and again same process lan tester I have used

10.1.1.0 n/w advertised as /16 from EIGRP & /24 from OSPF which will come in routing table & why

what is difference between subnet-mask and wildcard mask?

what is difference between hub and switch?

Hi, gys i am Hasnain alamI want to get certification how do it ? please sugges me.

what is router?

I have layer 3 Cisco 3560(Multilayer) switch right.How we can configure sub interface & Inter VLAN(we have vlan 2,3 & 10 ),Each VLan talk with each other?

what is a routing ?what is the use of routing?

GUY i Have attended one interview for the data craft and they are offering me L1 postion and i am working at l2 in cisco so there is no way to get in the datacraft i am posting here the question he asked to and i have tested the interviewer and i come to know he was not having any knowledge. His questions are-: 1) what is Vlan 2) what is stp and what is difference between stp and RSTP 3) what is HSRP and Diffrence betwwen HSRP and GLBP 4) how to configure HSRP 5) Scenario Based question ( if we have two router and both are connected and there are having redundancy means two interface of the router r1 is connected to the two interface of Router R2 (R1)-------------(R2 (R1)-------------(R2 Now he want to configure the router in such a Manner that if one link down second link should come up.My answer was HSRP and his is "F looting static routing was i wrong "i know F looting Static routing is Theoretically possible but it is not fusible in the scenario where you have multiple router connected to the same router and if you have configured sub interface i challenged him and he lost The Battle and he get angary 5) what the eigrp and how it works 6) tables in eigrp 7) the information of feasible successor where it saved now after answering these all he was very angry ( i can fill the heat) 8) then he come to ospf Area type ( he was also not aware) 9) LSA type and its working ( he was also having confusion ) 10) then is asked routing by rummer( Theroy) 11) hello and dead intervel of EIGRp (theory) 12) Selection cretaria for Eigrp slecting best path ( here we have a long discussion on MTU and he lost the battle and agree That MTU never comes in the accounts in this process) 13) what is ACL type of acl ( here he was aware of TWO type Standard and extended i have told him 5 type( he again get Angry) We have 2hr of discussion and and he told me he will call me latter but i know he never call

Can you explain IKE (Internet Key Exchange)?

if i am using active directory,i have router also.then how i configure router,means which address will be default gatway in active directory & roter how to give ip address details in router.