Basic Interview Questions

• Define Network?
• What is a Link?
• What is a node?
• What is a gateway?
• What is point-point link?
• What is Multiple Access?
• What’s the benefit of subnetting?
• What is BGP (Border Gateway Protocol)?
• What is Gateway-to-Gateway protocol?
• What is a Multi-homed Host?
• What is OSPF?
• What is Routing?
• What is a Protocol?
• Explain difference between Router,Switch and Hub ?
• What is Checksum?
• What is Redundancy ?
• What are the criteria necessary for an effective and efficient network?
• What is the key advantage of using switches?
• When does network congestion occur?
• Does a bridge divide a network into smaller segments?
• What is the difference between OSI and TCP/IP Model ?
• What is the size of IP Address?
• What is the range of class C address?
• What is PoE (Power over Ethernet) ?
• What are the advantages of Distributed Processing?
• When were OSI model developed and why its standard called 802.XX and so on?
• What is Full form of AD?
• What is a peer-peer process?
• What is the difference between broadcast domain and collision domain ?
• What is ping? Why you u
• What is the difference between tracert and traceroute
• What is Round Trip Time?
• Define the terms Unicasting, Multiccasting and Broadcasting and Anycasting?
• How many pins do serial ports of routers have?
• What are the differences between static ip addressing and dynamic ip addressing?
• Difference between CSMA/CD and CSMA/CA ?
• What is DHCP scope?
• What are the different memories used in a CISCO router?
• What are the different types of passwords used in securing a CISCO router?
• What is the use of “Service Password Encryption” ?
• Brielfly explain the conversion steps in data encapsulation.?
• In configuring a router, what command must be used if you want to delete the
• onfiguration data that is stored in the NVRAM?
• IEEE standard for wireless networking?
• What is the range of class A address?
• What is the range of class B address?
• Differentiate Logical Topology from Physical Topology?
• what is AS (Autonomous System) ?
• What is the difference between Private IP and Public IP ?
• Explain different cable types ?
• How does RIP differ from EIGRP?
• Differentiate User Mode from Privileged Mode
• What is 100BaseFX?
• Differentiate full-duplex from half-duplex ?
• What does the show protocol display?