What is a network? - (answer)telecommunications system that connects a collection of computers to
allow communication and stat exchange between systems.
W3C - (answer)World Wide Web Consortium
MAC address - (answer)A hardware identifier that uniquely identifies each device on a network. they are
also specific to ethernet nodes and carry no information about the network location of the device. Also
are no useable too reach device on any non-local network
Unicast Address (MAC) - (answer)MAC address that identify a single LAN interface card
Broadcast Address(MAC) - (answer)MAC address of FF:FF:FF:FF:FF Results in all device within the LAN
receiving and processing the frame
Multicast Address - (answer)MAC address identifying a subset of deice on a LAN Results in a subset of
host receiving and processing the frame
Internet Protocol(IP) - (answer)Basic unit of data transfer across the internet. Comprised of 32 bits. Has
two parts:
1.Network portion/id
2.Host portion/id
Network mask - (answer)distinguished the network portion of the address form the host portion of the
address. Default network masks for each classful address and modified network masks for subnetting
What address is required for a device to send and receive IP packets. - (answer)unicast address
IP Broadcasts - (answer)transmits a layer 3 packet to all nodes on a network or internetwork
, NSSA EXAM 1 QUESTIONS WITH 100% CORRECT ANSWERS!!
Broadcast Domain - (answer)transmission of a layer 2 frame to all nodes within a Local Area Network to
a device that will not forward Broadcasts
Special Addresses - (answer)127.0.0.1 : loopback address ("home")
255.255.255.255: limited Broadcast
192.168.255.255: directed broadcast
What is a gateway? - (answer)-Connect to 2 different networks
-Forward traffic toward destination
-no gateway = no communication to other networks
Inductive coupling - (answer)wire or other conductor of electricity passes through a magnetic field
generating an electric current in the wire.
NFC - (answer)Near field communications
Municipal Area Network - (answer)Network covers a particular geographical area larger than an LAN
smaller than a WAN. Is comprised of multiple LANS put together
Wide Area Network - (answer)Network that covers a large geographical area. Consists of multiple LAN's
joined together. Ex: government, private ISP.
DTE (Data Terminal Equipment) devices - (answer)end unit that send or receives the data.
ex: PC, router
DCE(Data circuit terminating) device - (answer)Intermediary device that moves the network traffic
toward its destination