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MTA Networking Fundamentals Exam
Questions and Answers
Local Area Network (LAN) - ANSWER✔✔-two or more computers that exchange data, confined to a small
geographic area usually one building.
Reason organizations need networks - ANSWER✔✔-Sharing, Communication, Organization, Money
Most popular Lan - ANSWER✔✔-Wired-computers and other devices are wired together using copper-
based twisted-pair cables RJ45 plugs on each end.
wireless access point (WAP) - ANSWER✔✔-acts as the central connecting device for the network, such as
laptops, PDAs, tablet computers, micro computers
VLAN- Virtual LAN - ANSWER✔✔-is a group of host with a common set of requirements that
communicate as if they were connected together in a normal fashion on one switch, regardless of their
physical location.
Perimeter network - ANSWER✔✔-aka as demilitarized zone DMZ-Small network that is set up separately
from a company's private LAN and the internet.
Back-to-back configuration - ANSWER✔✔-involves DMZ situated between two firewall devices, which
could be black box appliances or Microsoft Internet Security.
3-leg perimeter configuration - ANSWER✔✔-the DMZ is usually attached to a seperate connection of the
company firewall- 1 to company LAN -1 to the DMZ -1 to the Internet.
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Network topology - ANSWER✔✔-defines the physical connection of hosts in a computer network.
Star topology - ANSWER✔✔-most common topology, each computer is individually wired to a central
connecting device with twisted-pair cabling.
Mesh topology - ANSWER✔✔-every computer connects to every other computer; no central connecting
device is needed
Ring Topology - ANSWER✔✔-each computer is connected to the network using a closed loop; done with
coaxial cable. This is a pretty outdated concept
Token Ring - ANSWER✔✔-sends data logicaly in a ring fashion, Token Ring network are physically
connected in a star fashion, but logically a ring.
Ethernet - ANSWER✔✔-a group of networking technologies that define how information is sent and
received between network adapters, hubs, switches, and other devices.
Frame - ANSWER✔✔-is a group of bytes packaged by a network adapter for transimission across the
network, these frames are created on Layer 2 of the OSI model.
IEEE Institute of Electrical and Electronics engineers 802.3 - ANSWER✔✔-defines carrier sense multiple
access with collision detection or CSMA/CD
802.3 - ANSWER✔✔-10 Mbps - 10Base5 - Thick coaxial
802.3u - ANSWER✔✔-100 Mbps - 100Base-TX, 100Base-T4, 100Base-FX = TP using 2 pairs, TP using 4
pairs, Fiber optic
802.3ab - ANSWER✔✔-1000 Mbps or 1Gbps - 10GBASE-T - TWISTED PAIR
802.3Z - ANSWER✔✔-1000 Mbps or 1Gbps - 1000BASE-X - FIBER OPTIC
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802.3AE - ANSWER✔✔-10Gbps - 10GBASE-SR, 10GBASE-LR, 10GBASE-ER, AND SO ON - FIBER OPTIC
Client-server - ANSWER✔✔-an architecture that distributes applications between servers such as
Windows Server 2008 and client computers such as Windows 7 or Windows Vista.
File server - ANSWER✔✔-stores files for computers to share
Print server - ANSWER✔✔-controls printers that can be connected directly to the server or are
connected to the network.
Messaging Server - ANSWER✔✔-email servers, but also fax, instant messaging, collaborative, and other
types of messaging servers.
CTI-based server - ANSWER✔✔-company's telephone system meets its computer system, PBXs, and
VOIP
Peer-to-Peer (P2P) - ANSWER✔✔-means each computer has an equal ability to serve data and to access
data, just like any other computer on the network.
OSI model - ANSWER✔✔-7 layers which house different protocols within one of several protocol suites,
how data communicates occur on computer networks.
Layer 1 - Physical layer - ANSWER✔✔-physical and electrical medium for data transfer, includes but is not
limited to cables, jacks, patch pannels, punch blocks, hubs, and MAUs. UOM=Bits
Layer 2 - Data Link Layer - ANSWER✔✔-establishes, maintains, and decides how transfer is accomplished
over the physical layer. Think-MAC address UOM= Frames
Layer 3 - Network layer - ANSWER✔✔-dedicated to routing and switching information to different
networks. UOM= Packets
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