Livealth Biopharma Interview Questions and Answers

RSTP BPDU introduces two new flags: TCN and Proposal.

• TCN (Topology Change Notification) flag is used to indicate a topology change in the network.

• Proposal flag is used to speed up the convergence process by allowing a switch to immediately transition to the forwarding state.

• TCN flag is set by the root bridge and propagated to all switches in the network.

• Proposal flag is set by a switch and sent to the root bridge.

• Both flags are included in the BPDU message.

• TCN flag triggers a...read more

To troubleshoot SSH issue, check network connectivity, firewall settings, SSH configuration, and user permissions.

• Check if the server is reachable over the network

• Verify if the SSH service is running on the server

• Check if the firewall is blocking SSH traffic

• Verify SSH configuration on the server

• Check if the user has the necessary permissions to access the server

• Check SSH logs for any errors or warnings

When you type google.com on your web browser, it sends a request to Google's server and loads the website.

• The browser sends a DNS request to resolve the domain name 'google.com' to an IP address

• The browser establishes a TCP connection with Google's server

• The browser sends an HTTP request to the server for the homepage of google.com

• The server responds with the HTML code for the homepage

• The browser renders the HTML code and displays the webpage

Motivating a customer on escalation edge

• Show empathy and understanding of their frustration

• Provide regular updates on the progress of the case

• Offer solutions or workarounds to mitigate the issue

• Highlight the importance of resolving the issue for their business

• Escalate the case to higher management if necessary

• Thank them for their patience and cooperation

ARP is used to map a network address (such as an IP address) to a physical address (such as a MAC address).

• ARP stands for Address Resolution Protocol

• It is used to resolve IP addresses to MAC addresses

• There are two types of ARP: ARP Request and ARP Reply

• ARP Request is used to find the MAC address of a device with a known IP address

• ARP Reply is used to respond to an ARP Request with the MAC address of the device

• ARP is important for communication between devices on a network

Explanation of Spanning Tree Protocol and troubleshooting techniques for switching networks.

• Spanning Tree Protocol (STP) is used to prevent loops in a network by blocking redundant paths.

• Troubleshooting STP involves checking for blocked ports, incorrect root bridge selection, and misconfigured priority values.

• Other common issues in switching networks include VLAN mismatches, port security violations, and broadcast storms.

• Tools such as packet captures, show commands, and netwo...read more