EarthLink Training Network Fundamentals

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What is a network?

A single computer system connected to the internet
A group of unrelated computer systems sharing a common printer
A single computer system with multiple devices linked to it
A group of two or more computer systems or other devices linked together to exchange data (correct)

What is a LAN?

A network that allows connection to the internet
A network that connects computers in different buildings
A network where the computers are geographically close together (correct)
A network that spans a large geographical area

What does DHCP stand for?

Direct Host Connectivity Protocol
Distributed Hardware Control Process
Dynamic Host Configuration Protocol (correct)
Data Hosting Configuration Process

What does MAC address stand for?

Media Access Control address (C) Signup and view all the answers

Which command is used to test network connectivity by sending ICMP echo request packets?

ping (C) Signup and view all the answers

What does VLAN stand for?

Virtual Local Area Network (A) Signup and view all the answers

What is the function of a network interface card (NIC)?

To connect devices in a network (C) Signup and view all the answers

What is the purpose of a hub in a network?

To provide a common connection point for devices (D) Signup and view all the answers

What is the primary role of a router in a network?

To forward data packets along networks (A) Signup and view all the answers

What type of physical system is used as transmission media in a network?

Fiber optic cable (D) Signup and view all the answers

What is the main function of a server in a network?

To manage network resources (D) Signup and view all the answers

Which device connects two local-area networks (LANs) or two segments of the same LAN using the same protocol?

Bridge (D) Signup and view all the answers

What is the purpose of a switch in a network?

To forward data packets along networks (B) Signup and view all the answers

What does the acronym 'NIC' stand for in networking?

Network Interface Card (A) Signup and view all the answers

What does MAC address stand for in networking?

Media Access Control address (B) Signup and view all the answers

Which networking component is used to carry communication signals from one system to another?

Transmission Media (C) Signup and view all the answers

Match the following network components with their descriptions:

UBNT = Manufacturer of networking equipment Osi Model = Framework for understanding and designing a network system DHCP = Assigns IP addresses to devices on a network automatically VLAN = Divides a single physical network into multiple logical networks Signup and view all the answers

Match the following network utilities with their functions:

Ping, traceroute, nslookup = Tools for troubleshooting and diagnosing network issues NAT = Translates private IP addresses to public IP addresses SSH & TELNET = Protocols for securely accessing remote devices ARP = Resolves IP addresses to MAC addresses Signup and view all the answers

Match the following network types with their descriptions:

Local-area network (LAN) = Computers are geographically close together Wide-area network (WAN) = Spans a large geographical area Metropolitan-area network (MAN) = Covers a city or large campus area Personal-area network (PAN) = Connects devices in close proximity, typically within an individual's workspace Signup and view all the answers

Match the following network fundamentals with their definitions:

Network = Group of two or more computer systems or devices linked together to exchange data Resource sharing = Capability of sharing files and electronic communications among networked devices File sharing = Ability of multiple computers on a network to access and use the same files Printer sharing = Allows multiple computers on a network to use the same printer Signup and view all the answers

Match the following network components with their descriptions:

Server = Manages network resources Client = Relies on a server to perform operations Hub = Common connection point for devices in a network Router = Forwards data packets along networks Signup and view all the answers

Match the following networking devices with their functions:

Switch = Filters and forwards packets between LAN segments Gateway = Serves as an entrance to another network Bridge = Connects two local-area networks (LANs) or segments of the same LAN NIC = Enables a computer to be connected to a network Signup and view all the answers

Match the following transmission media with their examples:

Twisted-pair cable = Type of physical system used to carry communication signal Coaxial cable = Type of physical system used to carry communication signal Fiber optic cable = Type of physical system used to carry communication signal MAC Address = ID code assigned to a network adapter or device with built-in networking capability Signup and view all the answers

Match the following network components with their definitions:

Wide-area network (WAN) = Connects computers farther apart using telephone lines or radio waves Metropolitan-area network (MAN) = Data network designed for a town or city Transmission Media = Physical system used to carry communication signal from one system to another BY: TECHNICAL SUPPORT DEPARTMENT 6 C- Network Component = An expansion board inserted into a computer to connect it to a network Signup and view all the answers

Match the following networking terms with their meanings:

Media Access Control (MAC) address = ID code assigned to a network adapter or any device with built-in networking capability Dedicated server = Manages network resources and performs no other tasks besides server tasks Node = A point of connection for data transmissions on a communications network BY: TECHNICAL SUPPORT DEPARTMENT 5 C- Network Component = Common devices and functions shared by networks, such as servers, transmission media, clients, and printers Signup and view all the answers