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VTP is a Cisco proprietary protocol used to manage VLAN configurations across a network.
VTP allows for centralized management of VLANs by automatically propagating VLAN information to all switches in the network.
It reduces the need to manually configure VLANs on each switch, making network administration more efficient.
VTP operates in client, server, and transparent modes, with the server being the switch that can crea...
To troubleshoot a switch in ROMMON mode after a reboot, follow these steps.
Check the configuration register value to ensure it is correct
Verify the boot image and configuration file are present and accessible
Attempt to boot the switch manually using the boot command
If necessary, reload the switch with a valid IOS image from a TFTP server
I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.
Packet flow in Palo Alto Firewall involves multiple stages including ingress, policy lookup, security policy enforcement, NAT, and egress.
Packet enters the firewall through an ingress interface
Firewall performs policy lookup to determine if the packet should be allowed or denied
If allowed, the packet goes through security policy enforcement which includes threat prevention, URL filtering, etc.
NAT (Network Address Trans...
OSPF (Open Shortest Path First) is a routing protocol used to determine the best path for data packets in a network.
OSPF is a link-state routing protocol
It uses Dijkstra's algorithm to calculate the shortest path
OSPF routers exchange link-state advertisements (LSAs)
It supports VLSM (Variable Length Subnet Masking)
OSPF areas are used to divide large networks into smaller segments
DR and BDR in OSPF are elected based on priority values, with the highest priority becoming the DR and the second highest becoming the BDR.
DR and BDR are elected within the OSPF network to ensure efficient communication and redundancy.
The election process is based on priority values assigned to each router, with the highest priority becoming the DR and the second highest becoming the BDR.
If two routers have the same pr...
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I was interviewed before May 2016.
The lifecycle of a thread includes five states: new, runnable, running, blocked, and terminated.
A thread is created in the new state.
In the runnable state, the thread is ready to run but not currently running.
When the thread is executing instructions, it is in the running state.
If a thread is waiting for a resource, it is in the blocked state.
The thread enters the terminated state when it completes its execution.
I was interviewed in Jul 2017.
I have extensive experience in network engineering and a strong track record of successfully implementing and managing complex networks.
I have a deep understanding of network protocols and technologies, allowing me to troubleshoot and resolve issues efficiently.
I have a proven ability to design and implement secure and scalable network architectures.
I am skilled in network monitoring and analysis, ensuring optimal perf...
I applied via Naukri.com and was interviewed before Feb 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed before Jul 2020. There was 1 interview round.
I applied via Walk-in and was interviewed before Apr 2021. There were 3 interview rounds.
General knowledge
I applied via Walk-in and was interviewed before Nov 2020. There were 5 interview rounds.
I applied via Recruitment Consultant and was interviewed in May 2020. There was 1 interview round.
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