Thinkapps Solutions Network Support Engineer Interview Questions, Process, and Tips

A Cisco switch is a networking device that connects devices within a local area network (LAN) and forwards data packets between them.

• Cisco switches operate at the data link layer (Layer 2) of the OSI model.

• They use MAC addresses to forward data within a network.

• Cisco switches can have multiple ports to connect various devices such as computers, printers, and servers.

• They provide features like VLANs, QoS, and security s...read more

There are many types of networks, including LAN, WAN, MAN, WLAN, and VPN.

• LAN (Local Area Network) - connects devices within a limited area like a home or office

• WAN (Wide Area Network) - connects devices over a large geographical area

• MAN (Metropolitan Area Network) - covers a larger area than a LAN but smaller than a WAN

• WLAN (Wireless Local Area Network) - uses wireless technology to connect devices in a limited area

• VPN...read more

A network is a collection of computers, servers, mainframes, network devices, and other devices connected to each other to share resources and communicate.

• Networks can be wired or wireless

• They can be local (LAN), wide area (WAN), or global (Internet)

• Networks use protocols like TCP/IP for communication

• Examples include Ethernet, Wi-Fi, and cellular networks

Network topology refers to the layout of a network and how different devices are connected.

• Network topology can be physical or logical.

• Common physical topologies include bus, star, ring, and mesh.

• Common logical topologies include peer-to-peer and client-server.

• Each topology has its own advantages and disadvantages in terms of cost, scalability, and performance.

There are two main types of modes in router configuration: user mode and privileged mode.

• User mode: Limited access to view router status and basic configurations.

• Privileged mode: Full access to configure, manage, and troubleshoot the router.

• Examples: 'show' command in user mode, 'configure terminal' command in privileged mode.