Affix Display System Network Engineer L1 Interview Questions and Answers

Routing and switching are fundamental concepts in computer networking that involve directing and forwarding data packets.

• Routing is the process of determining the best path for data packets to travel from one network to another.

• Switching is the process of forwarding data packets within a network based on their destination MAC addresses.

• Routing protocols like OSPF and BGP are used to exchange routing information between...read more

LAN/WAN refers to local area network and wide area network respectively. VLAN is a virtual LAN that allows for logical segmentation of a network.

• LAN is a network that covers a small geographical area, typically within a single building or campus.

• WAN is a network that spans a large geographical area, connecting multiple LANs or remote locations.

• VLAN is a virtual LAN that enables the creation of multiple logical networks...read more

A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

• Firewall acts as a barrier between a trusted internal network and an untrusted external network.

• It examines network packets and filters them based on rules to allow or block traffic.

• Firewalls can be hardware-based or software-based.

• Examples of firewalls include Cisco ASA, Palo A

VLAN stands for Virtual Local Area Network. It is a logical grouping of devices on a network, allowing for better network management and security.

• VLANs divide a single physical network into multiple virtual networks.

• They help in reducing network congestion and improving network performance.

• VLANs can be configured on switches using commands like 'vlan database', 'vlan ', and 'interface switchport access vlan '.