Data communication assignment 1
- 1. Submitted By.. Abdullah-Al-Shahed. ID:1834902507. Dep: CSE 49th EVE Course Title: Data Communication. Course Code:CSE-313 Sub: Assignment-01. Submitted To… Pranab. B .Nath. Senior Lecturer of computer science department. City University (city campus). (1)What is data communication.? , What is network.? Data communications refers to the transmission of this digital data between two or more computers and a computer network or data network is a telecommunications network that allows computers to exchange data. A network consists of two or more computers that are linked in order to share resources.
- 2. (2) What is the different between by data communication & network.? Ans: Data Communication deals with the communicating process across different regions and through different process whereas Computer Networking transfers information, files across different localities to communicate data along with it. (3)What is personal area network.?(PAN) Personal Area Network (PAN): It is an interconnection of personal technology devices to communicate over a short distance, which is less than 33 feet or 10 meters or within the range of an individual person, typically using some form of wireless technologies. (4)What is node.? In data communication, a node is any active, physical, electronic device attached to a network. (5)what is local area network?(LAN) A local area network (LAN) is a computer network that interconnects computers within a limited area such as a residence, school, laboratory, university campus (6)What is MAC address.? Every Computer’s has a unique address that is MAC address.
- 3. (7)What is network NIC.? A network interface card (NIC) is a hardware component without which a computer cannot be connected over a network. (8)What is IP address.? An IP address is a unique address that identifies a device on the internet or a local network. (9)Types Of Address. There Are mainly two types of address. (i)Physical (ii)Logical. (10)What is port.? In computer networking, a port is a communication endpoint. (11)Hub, Switch, Router. A network hub is a device that allows multiple computers to communicate with each other over a network. A switch is a device in a computer network that connects other devices together. A router is a device that connects two or more packet-switched networks or sub networks. (12) HUB Hub Can’t know address.
- 4. (13)What is switch.? A switch can can detect MAC address. (14)MAC address in 48 bit. A MAC address also known as a media access control address is a unique 48 bit number identifier assigned to network interfaces. Every piece of hardware with a ethernet, bluetooth or wireless interface has this unique 48 bit number to identify it. (15)What is Bit & Byte.? These are binary digits, or bits for short. Single bits are too small to be much use, so they are grouped together into units of 8 bits. Each 8-bit unit is called a byte. (16)Router. Mac Address and IP address detected. (17)What is difference between hub, switch ,router., bridge ,and Repeater.? Hubs differ from repeaters in that they do not boost the incoming signals and are designed for multiple input lines, but the differences are slight. Like repeaters, hubs are physical layer devices that do not examine the link layer addresses or use them in any way. It is not an intelligent device. (18)What is Bridge.? A Bridge is another device used to connect LAN cable segments together.
- 5. (19) What is Repeater.? A repeater is an electronic device in a communication channel that increases the power of a signal and retransmits it, allowing it to travel further. (20) What is IP.? An IP address is a unique address that identifies a device on the internet or a local network.