Top CCNA Interview Questions :: ALLInterview.com http://www.allinterview.com Top CCNA Interview Questions en-us What is VLSM? how to Calculate VLSM? where it is use and why? http://www.allinterview.com/showanswers/74079.html VLSM:- Variable length subnet mask. it is used where we have more than one network running in one internetwork. it calculation depends on the networks. WHAT IS DIFFERENCE BETWEEN FAST ETHERNET AND ETHERNET PORT? http://www.allinterview.com/showanswers/60569.html Fast Ethernet port works with 100 Mbps and Ethernet port works with 10 Mbps. How does inter- VLAN communication take place? A. It takes place th http://www.allinterview.com/showanswers/12735.html Answer: B Which commands will restart the router? A.) router#system exit B http://www.allinterview.com/showanswers/12333.html Answer: B What is ISR or NonISR router? Difference between ISR or NonISR route http://www.allinterview.com/showanswers/73844.html **** ISR means "Integrated SONET Router" SONET (Synchronous Optical Network), (Cisco ISR 3303) this model is a end of life Product. 1) (Integrated SONET/SDH Router) is a high-density access platform with full SONET interoperability that What is the Between Normal Switch and Manageable Switch? http://www.allinterview.com/showanswers/73118.html Normal Switch - we cannot configure normal switch that means we cannot create VLAN in this Switch. with the help of this switch we cannot create a separate broadcast domain in the network Manageable Switch - we can configure Manageable switch What is difference between standard and extended access-list http://www.allinterview.com/showanswers/76189.html standard IP access list provides basic packet filtering abilities, based on the source IP address of a packet only. As a general rule, apply standard IP access lists close to the destination network to which you wish to permit or deny access. what is the difference between switch and router?? http://www.allinterview.com/showanswers/73888.html 1.Switch are said to be l2 device only but Router are said to be L3 device. 2.Switch is said to be H/W Device.Router are said to be S/W device. 3.Switch perform faster than the router because it is a H/W Device. What does a metric of 16 hops represent when using RIP? A.) Number http://www.allinterview.com/showanswers/12497.html Answer: B What are the Timer of RIP, IGRP, EIGRP and OSPF Routing Protocol? http://www.allinterview.com/showanswers/79854.html RIP-It sends complete routing table to all its active interface in evert 30 seconds.Hold down Timer:-it is a time during the destination hop is unreachable=240 seconds.. IGRP:-Timer 90 seconds what is meant by domain ? what is mean by DNS? http://www.allinterview.com/showanswers/66265.html domain is area that is under by a domain controler domain means domain name system it converts host address into ip address it is name resolution protocol In activce directory, a collection of computers,users,and group objects, define by ad What is public and private ip address., explain? and also explain th http://www.allinterview.com/showanswers/73807.html There are two ip address is there.Pubilc ip is called the static ip.the private ip is used any one.but public ip is used only purchease people What is the protocol number for UDP? A.) 6 B.) 17 C.) 25 D http://www.allinterview.com/showanswers/12036.html Answer: B User Datagram Protocol - UDP is a connectionless oriented transport protocol for use when the upper layers provide error-recovery and reliability. UDP does not sequence data or re-assemble it into any order after transmission What is the diiffernce between windows xp & windows 2000? http://www.allinterview.com/showanswers/33643.html Windows 2000 benefits : Windows 2000 has lower system requirements, and has a simpler interface (no "Styles" to mess with). Windows 2000 is slightly less expensive, and has no product activation. Windows 2000 has been out for a w What is the purpose of ARP? A.) IP to host name resolution B.) H http://www.allinterview.com/showanswers/11870.html Answer: D Address Resolution Protocol resolves the MAC address if the IP address is known. It is a layer 3 protocol.