10+ iRISE India Interview Questions and Answers

Static routing uses manually configured routes while dynamic routing uses protocols to automatically update routes.

• Static routing requires manual configuration of routes while dynamic routing uses protocols to automatically update routes.

• Static routing is best suited for small networks with few changes while dynamic routing is better for larger networks with frequent changes.

• Examples of static routing protocols include OSPF and BGP while examples of dynamic routing protocols ...read more

Unicast, multicast and broadcast are types of network communication.

• Unicast is a one-to-one communication between a sender and a receiver.

• Multicast is a one-to-many communication where a sender sends data to a group of receivers.

• Broadcast is a one-to-all communication where a sender sends data to all devices on the network.

• Unicast is used for communication that requires privacy and security.

• Multicast is used for streaming media, video conferencing, and online gaming.

• Broadcast...read more

OSPF has three layers: backbone, area, and interface.

• Backbone layer connects all areas and is responsible for routing between them.

• Area layer groups networks together and reduces the amount of routing information exchanged.

• Interface layer connects routers to the network and exchanges routing information within an area.

• OSPF uses a hierarchical structure to efficiently manage large networks.

• Each layer has its own set of rules and protocols for communication and routing.

• Example:...read more

TCP is a connection-oriented protocol while UDP is a connectionless protocol.

• TCP provides reliable, ordered, and error-checked delivery of data while UDP does not guarantee reliable delivery.

• TCP is slower but more reliable while UDP is faster but less reliable.

• TCP is used for applications that require high reliability and accuracy while UDP is used for applications that require speed and efficiency.

• Examples of TCP-based applications include email, file transfer, and web brows...read more

NAT stands for Network Address Translation. It is a technique used to map public IP addresses to private IP addresses.

• NAT is used to conserve public IP addresses by allowing multiple devices to share a single public IP address.

• It provides an additional layer of security by hiding the private IP addresses of devices on a network.

• There are three types of NAT: Static NAT, Dynamic NAT, and Port Address Translation (PAT).

• Static NAT maps a single private IP address to a single publ...read more

Static routing is a type of network routing where the administrator manually configures the routes in the routing table.

• Routes are manually configured by the network administrator

• Routes do not change unless manually modified

• It is less flexible than dynamic routing

• It is useful for small networks with few changes in topology

• Example: A small office network with a single router connecting to the internet

Routing is the process of selecting the best path for network traffic to reach its destination.

• Routing involves analyzing network topology and determining the most efficient path for data to travel.

• Routers use routing tables to determine the best path for data to take.

• Routing protocols such as OSPF and BGP are used to exchange routing information between routers.

• Routing can be either static or dynamic, depending on whether the routing table is manually configured or automatic...read more

NAT is used to translate private IP addresses to public IP addresses, allowing multiple devices to share a single public IP address.

• Allows multiple devices on a local network to access the internet using a single public IP address

• Enhances security by hiding internal IP addresses from external networks

• Conserves public IP addresses by allowing multiple devices to share a single public IP address

ACL stands for Access Control List, which is a set of rules that controls network traffic and permissions on a network device.

• ACL is used to filter network traffic based on defined criteria such as source or destination IP address, port number, protocol, etc.

• ACL can be configured on routers, switches, firewalls, and other network devices to control access to resources.

• There are two types of ACLs: standard ACLs and extended ACLs.

• Example: In a router configuration, an ACL can b...read more

Switching is the process of forwarding data packets between devices on a network based on the destination address.

• Switching occurs at the data link layer of the OSI model.

• Switches use MAC addresses to determine where to forward incoming data packets.

• Switching is faster and more efficient than traditional hub-based networking.

• Examples of switches include Cisco Catalyst series and Juniper EX series.