SMEClabs Engineer Interview Questions and Answers

STP is a protocol used to prevent network loops. BPDU guard and filter are STP features to enhance network stability.

• STP stands for Spanning Tree Protocol

• It is used to prevent network loops by creating a loop-free logical topology

• BPDU (Bridge Protocol Data Unit) is a message exchanged between switches to elect the root bridge and determine the best path to it

• BPDU guard is a feature that disables a port if it receives a...read more

I am comfortable with OSPF and BGP routing protocols.

• I have experience in configuring and troubleshooting OSPF and BGP.

• I am familiar with OSPF areas, LSAs, and BGP attributes.

• I have worked with OSPF and BGP in both enterprise and service provider networks.

• I understand the differences between OSPF and BGP and when to use each protocol.

• I am also familiar with other routing protocols such as EIGRP and RIP.

VPN is a secure connection between two networks. IPsec is a protocol used to secure the VPN connection.

• VPN allows remote access to a network through a secure connection

• IPsec provides encryption and authentication for the VPN connection

• IPsec tunnels can be troubleshooted by checking the configuration, verifying the network topology, and checking for any firewall or NAT issues

• Examples of VPN technologies include OpenVPN,