Accenture Interview Questions and Answers

VLANs are used to logically segment a network, improving security, performance, and manageability. The range of VLANs is from 1 to 4094.

• VLANs provide network segmentation, allowing different groups of devices to be isolated from each other.

• They enhance security by controlling access between VLANs using access control lists (ACLs).

• VLANs improve network performance by reducing broadcast traffic and optimizing network traffic flow.

• They simplify network management by allowing adm...read more

EIGRP is a Cisco proprietary routing protocol that uses advanced distance-vector algorithm for efficient routing in IP networks.

• EIGRP stands for Enhanced Interior Gateway Routing Protocol.

• It is used to exchange routing information between routers in a network.

• EIGRP uses a combination of distance-vector and link-state routing protocols.

• The port number for EIGRP is 88.

BGP is a routing protocol used in large-scale networks to exchange routing information between autonomous systems.

• BGP stands for Border Gateway Protocol.

• It is used to connect different autonomous systems (AS) on the internet.

• BGP allows routers in different ASs to exchange routing information and make informed decisions on the best paths for data transmission.

• It is a path-vector protocol that considers multiple factors like network policies, path attributes, and performance me...read more

STP (Spanning Tree Protocol) is a network protocol that prevents loops in Ethernet networks by creating a loop-free logical topology.

• STP is used to prevent broadcast storms and network congestion.

• It works by electing a root bridge and calculating the shortest path to the root bridge for each network segment.

• STP uses Bridge Protocol Data Units (BPDU) to exchange information between switches.

• It employs a tree-like structure with designated ports and blocked ports to ensure a lo...read more

Public IP is the address assigned to a device on the internet, while private IP is the address assigned to a device on a local network.

• Public IP is unique and globally routable, allowing devices to communicate over the internet.

• Private IP is used within a local network and is not accessible from the internet.

• Public IP is assigned by the Internet Service Provider (ISP), while private IP is assigned by the local network's router.

• Public IP can be static or dynamic, while private...read more

The packet flow of the dr and bdr election is the process by which routers in a network determine the designated router and backup designated router.

• DR and BDR are elected in OSPF networks to reduce the amount of OSPF traffic and maintain network stability.

• The election process begins with routers exchanging Hello packets to establish neighbor relationships.

• Routers with higher OSPF priority or higher router ID are preferred for the DR and BDR roles.

• The DR and BDR multicast OSP...read more

The OSI model is a conceptual framework that standardizes the functions of a communication system into seven different layers.

• The OSI model stands for Open Systems Interconnection model.

• It was developed by the International Organization for Standardization (ISO) in the 1980s.

• The model is divided into seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and protocols that enable communication between de...read more

The TCP/IP model is a conceptual framework used to understand and describe how data is transmitted over a network.

• The TCP/IP model consists of four layers: Network Interface, Internet, Transport, and Application.

• Each layer has its own protocols and functions that contribute to the overall transmission of data.

• The Network Interface layer handles the physical connection between devices, such as Ethernet or Wi-Fi.

• The Internet layer is responsible for addressing and routing data ...read more