Tech Mahindra Interview Questions and Answers

Different types of network cables include twisted pair, coaxial, fiber optic, and wireless.

• Twisted pair cables are commonly used in Ethernet networks and come in two types: unshielded (UTP) and shielded (STP)

• Coaxial cables are used in cable TV and broadband internet connections

• Fiber optic cables use light to transmit data and are used for high-speed, long-distance connections

• Wireless networks use radio waves to transmit data without the need for physical cables

• Other types of ...read more

The important topologies for networks include star, bus, ring, mesh, and hybrid.

• Star topology: All devices are connected to a central hub or switch.

• Bus topology: All devices are connected to a single cable.

• Ring topology: Devices are connected in a circular manner.

• Mesh topology: Each device is connected to every other device.

• Hybrid topology: Combination of two or more topologies.

There are several types of networks, including LAN, WAN, MAN, WLAN, PAN, SAN, and CAN.

• Local Area Network (LAN) - a network that covers a small geographical area, such as an office building.

• Wide Area Network (WAN) - a network that spans a large geographical area, such as connecting multiple offices across different cities.

• Metropolitan Area Network (MAN) - a network that covers a larger area than a LAN but smaller than a WAN, typically within a city.

• Wireless Local Area Network ...read more

Data can be exchanged through various methods such as wired and wireless communication, file transfer protocols, messaging services, and cloud storage.

• Wired communication: Ethernet cables, fiber optic cables

• Wireless communication: Wi-Fi, Bluetooth, cellular networks

• File transfer protocols: FTP, SFTP, TFTP

• Messaging services: Email, instant messaging

• Cloud storage: Dropbox, Google Drive

To find the IP address of a website, you can use the 'nslookup' command in the command prompt or use online tools like 'ping' or 'tracert'.

• Use the 'nslookup' command in the command prompt to find the IP address of a website

• Alternatively, you can use online tools like 'ping' or 'tracert' to get the IP address

• For example, in the command prompt, type 'nslookup www.example.com' to get the IP address

An IP address is a unique numerical label assigned to each device connected to a computer network.

• IP address stands for Internet Protocol address.

• It is used to identify and locate devices on a network.

• There are two types of IP addresses: IPv4 and IPv6.

• IPv4 addresses are written in the format of four sets of numbers separated by periods (e.g., 192.168.0.1).

• IPv6 addresses are written in the format of eight sets of hexadecimal numbers separated by colons (e.g., 2001:0db8:85a3:00...read more

Network cabling refers to the physical cables and wires used to connect devices in a network.

• Network cabling can be made of copper or fiber optic materials.

• Cables can be run through walls, ceilings, and floors to connect devices in different rooms or areas.

• Different types of cables are used for different purposes, such as Ethernet cables for internet connections and coaxial cables for cable TV.

• Proper installation and maintenance of network cabling is important for ensuring re...read more