Prepare for Networking/ Network Security Interview-Refer these questions :)

Posted Leave a commentPosted in Barracuda, BGP, Checkpoint, Cisco ASA, EIGRP, Firewall, Fortinet, Juniper SRX, Network Technology, OSPF, PaloAlto, PFsense, Protocols, Switchs, Technology

Networking  Questions OSI Reference Model What are the different network stack models and list all the layers of each model? Answer What are the functions of Transport, Network and Datalink layers? Answer What are the different protocols works at each of the layers? Answer What is end to end communication and Hop to Hop communication? […]

Comparison of Routing Protocols EIGRP OSPF BGP

Posted Leave a commentPosted in BGP, EIGRP, GNS3, Network Technology, OSPF, Protocols

Let’s see the comparison routing protocol (EIGRP, OSPF and BGP) Property EIGRP OSPF  BGP Administrative Distances Internal – 90 External 170 110 EBGP – 20 IBGP – 200 Method Advanced distance vector Link state Path vector Summarization Auto and manual Manual Auto and Manual VLSM Yes Yes Yes Convergence Speed Very fast convergence Fast Slow Timers: […]

What is a port number and give some examples.

Posted Leave a commentPosted in Network Technology, Protocols, Technology

Lets understand what is Protocol. As per its word definition, a protocol is a set of rules. In computer networking, a protocol defines a standard way for computers to exchange information. Most common protocols used in computer networks and the internet are TCP (Transmission Control Protocol), UDP (User Datagram Protocol), and IP (Internet Protocol). A […]

What are the different network stack models and list all the layers of each model?

Posted Leave a commentPosted in Network Technology, Technology

Network Stack Model 1. Physical Layer (Layer 1) : The lowest layer of the OSI reference model is the physical layer. It is responsible for the actual physical connection between the devices. The physical layer contains information in the form of bits. It is responsible for the actual physical connection between the devices. When receiving […]

How Does Traceroute Work and Example’s of using traceroute command

Posted Leave a commentPosted in Network Technology, Packet Capture

Network administrators and system administrators use this tool most commonly in their day to day activities. Its basically a network diagnostic tool that is very handy. There are three main primary objectives of traceroute tool. These objectives fulfilled by tracroute gives an insight to your network problem. The entire path that a packet travels through […]

BGP

Posted Leave a commentPosted in BGP

Configuring Basic BGP  Comparison with Other Scalable Routing Protocols Protocol Interior or Exterior Type Hierarchy Required? Metric OSPF Interior Link-state Yes Cost IS-IS Interior Link-state Yes Metric EIGRP Interior Advanced distance-vector No Composite BGP Exterior Path-Vector No Path-vector(attributes) When to Use BGP BGP use in an AS is most appropriate when the effects of BGP […]