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I applied via Walk-in and was interviewed before Mar 2021. There were 2 interview rounds.
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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 exte...
Routing is the process of selecting the best path for network traffic to reach its destination.
Routing involves determining the optimal path for data packets to travel from the source to the destination.
Routers use routing tables to make decisions on how to forward packets based on destination IP addresses.
Routing protocols like OSPF and BGP are used to exchange routing information between routers.
Dynamic routing allow...
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.
L3 switches are network devices that operate at the network layer of the OSI model, providing routing functionality along with switching capabilities.
L3 switches can route traffic based on IP addresses, making them more intelligent than L2 switches.
They can support VLANs and provide inter-VLAN routing.
L3 switches are commonly used in enterprise networks to improve network performance and security.
Examples of L3 switche...
I applied via Naukri.com and was interviewed in Feb 2024. There was 1 interview round.
I applied via Naukri.com and was interviewed before Dec 2021. There were 3 interview rounds.
I was interviewed before Apr 2021.
Sairam sanapathi kanchaduvalasa village makkuva mandal vizayanagaram distick andharapardeesh state iam graduation BSC chemistery iam poor but ima job intersted
I applied via Naukri.com and was interviewed in Oct 2020. There were 3 interview rounds.
F5 load balances traffic by distributing it across multiple servers to optimize performance and ensure high availability.
F5 uses a variety of load balancing algorithms such as round robin, least connections, and weighted round robin.
It distributes incoming traffic across multiple servers based on the selected algorithm.
F5 continuously monitors server health and availability to make intelligent load balancing decisions.
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An iRule can be written to redirect a URI to a different location.
Use the HTTP::redirect command to specify the new URI
Use the HTTP_REQUEST event to trigger the iRule
Example: when HTTP_REQUEST {HTTP::redirect "http://newlocation.com"}
Virtual servers are software-based while nodes are physical devices.
Virtual servers are created by partitioning a physical server into multiple virtual machines.
Nodes are individual physical devices that are connected to a network.
Virtual servers can be easily created, cloned, and deleted while nodes require physical installation and configuration.
Virtual servers can be easily moved between physical servers while nodes...
Traffic inspection of checkpoint firewall involves analyzing network traffic for security purposes.
Checkpoint firewall inspects traffic at the application layer to identify and block malicious traffic
It uses various security mechanisms such as stateful inspection, deep packet inspection, and intrusion prevention system
Traffic can be inspected based on source/destination IP, port, protocol, and content
Logs are generated...
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