ISM 3004 Exam 3 Questions and Answers Already Passed
Network - Answers Collection of devices connected together via communications devices and
transmission media
LAN - Answers Local Area of Network
WAN - Answers Wide Area Network
Workstation - Answers Network computer, laptops, smartphones, desktops
Server - Answers a device that stores and transmits data to a client
Node - Answers ANY device that is attached to the network: desktop, iPhone, or a powerful network
server
Protocol - Answers Rules of the Road. Defines how every aspect of communications happen.
Proprietary protocol - Answers Only the people that invented it can use it. No one else can use this
protocol.
Open Protocol - Answers A protocol available for anyone to use. Started in the 1980's.
Packet - Answers A small unit of data transmitted over a network.
IP - Answers Internet Protocol
IP Addresses - Answers Assigned uniquely to every single device on the internet so everyone knows who
is who.
MAC address - Answers A unique number that identifies this device from another on the planet. They
are never used twice, like a SSN. But it does not tell you where it is located.
IP Address - what are they: - Answers It not only tells you who you are, it tells you where you are. First
three dotted numbers identify what network my computer is on.
Bps - Answers Bits per second
Kbps - Answers Kilobits per second. Thousands. Equals 1024 bps.
Mbps - Answers Megabits per second. Millions. 1042kbps = 1 mbps
Gbps - Answers Gigabits per second. Billions. 1024 MB's = 1 gbps
Bandwidth - Answers capacity and speed of transmission of network connections
Copper Ethernet Cabling - Answers Invented by Bob Metcalfe of Xerox in 1970's. Wired LAN technology.
UTP - Answers Unshielded Twisted Pair
, CAT rating - Answers CAT number tells you specifically how that cable has been engineered and how fast
it can safely transmit data. CAT 5 is minimum. CAT6 is current standard.
Fiber Optic Ethernet Cabling - Answers Long runs, high speed, made of glass, can go between buildings
and closets.
Why choose fiber optic? - Answers Avoid electrical interference and Florida summers, because it is made
out of glass.
Ethernet Switch - Answers Is what you se to connect a group of nodes together.
NIC - Answers Network Interface Card
PoE - Answers Power Over Ethernet. Utilized bored cables, saves money. Can use for security cameras.
What is the backhoe problem? - Answers You only have one cable and it get destroyed by a digger in
construction.
What is the solution for a backhoe problem? - Answers Having multiple paths, separate, different
pathways instead of just one. Complex.
802.11g - Answers Uses the 2.4-GHz frequency band and provides a maximum theoretical throughput of
54 Mbps.
802.11n - Answers May use either the 2.4-GHz or 5-GHz frequency range. 150 mbps
802.11ac - Answers 433mbps-6.77gbps. 2.4 and 5 GHz (Current standard)
What common devices can interfere with WiFi networks? - Answers 2.4 GHz is affected. Microwave,
cordless phone, baby monitor.
AP - Answers Access Point It's from Cisco. Mounts to the ceiling.
What is a site survey? - Answers Walking around the building to find weak and strong signals for best
coverage.
What are Rogue AP's? - Answers Where some install their own personal router at the office that creates
a security threat.
WEP - Answers Wired Equivalent Privacy. NOT GOOD. Could be hacked in minutes.
What is a router? - Answers Specialized computer, multiple network ports, software to maintain info,
links, and security features with firewalls, VPN, access control.
SOHO Routers - Answers Linksys, D-Link, Apple. LAN - usually 4 Gig-E ports for your local devices, Uplink
port, USB port, Basic level Firewall, VPN.
Network - Answers Collection of devices connected together via communications devices and
transmission media
LAN - Answers Local Area of Network
WAN - Answers Wide Area Network
Workstation - Answers Network computer, laptops, smartphones, desktops
Server - Answers a device that stores and transmits data to a client
Node - Answers ANY device that is attached to the network: desktop, iPhone, or a powerful network
server
Protocol - Answers Rules of the Road. Defines how every aspect of communications happen.
Proprietary protocol - Answers Only the people that invented it can use it. No one else can use this
protocol.
Open Protocol - Answers A protocol available for anyone to use. Started in the 1980's.
Packet - Answers A small unit of data transmitted over a network.
IP - Answers Internet Protocol
IP Addresses - Answers Assigned uniquely to every single device on the internet so everyone knows who
is who.
MAC address - Answers A unique number that identifies this device from another on the planet. They
are never used twice, like a SSN. But it does not tell you where it is located.
IP Address - what are they: - Answers It not only tells you who you are, it tells you where you are. First
three dotted numbers identify what network my computer is on.
Bps - Answers Bits per second
Kbps - Answers Kilobits per second. Thousands. Equals 1024 bps.
Mbps - Answers Megabits per second. Millions. 1042kbps = 1 mbps
Gbps - Answers Gigabits per second. Billions. 1024 MB's = 1 gbps
Bandwidth - Answers capacity and speed of transmission of network connections
Copper Ethernet Cabling - Answers Invented by Bob Metcalfe of Xerox in 1970's. Wired LAN technology.
UTP - Answers Unshielded Twisted Pair
, CAT rating - Answers CAT number tells you specifically how that cable has been engineered and how fast
it can safely transmit data. CAT 5 is minimum. CAT6 is current standard.
Fiber Optic Ethernet Cabling - Answers Long runs, high speed, made of glass, can go between buildings
and closets.
Why choose fiber optic? - Answers Avoid electrical interference and Florida summers, because it is made
out of glass.
Ethernet Switch - Answers Is what you se to connect a group of nodes together.
NIC - Answers Network Interface Card
PoE - Answers Power Over Ethernet. Utilized bored cables, saves money. Can use for security cameras.
What is the backhoe problem? - Answers You only have one cable and it get destroyed by a digger in
construction.
What is the solution for a backhoe problem? - Answers Having multiple paths, separate, different
pathways instead of just one. Complex.
802.11g - Answers Uses the 2.4-GHz frequency band and provides a maximum theoretical throughput of
54 Mbps.
802.11n - Answers May use either the 2.4-GHz or 5-GHz frequency range. 150 mbps
802.11ac - Answers 433mbps-6.77gbps. 2.4 and 5 GHz (Current standard)
What common devices can interfere with WiFi networks? - Answers 2.4 GHz is affected. Microwave,
cordless phone, baby monitor.
AP - Answers Access Point It's from Cisco. Mounts to the ceiling.
What is a site survey? - Answers Walking around the building to find weak and strong signals for best
coverage.
What are Rogue AP's? - Answers Where some install their own personal router at the office that creates
a security threat.
WEP - Answers Wired Equivalent Privacy. NOT GOOD. Could be hacked in minutes.
What is a router? - Answers Specialized computer, multiple network ports, software to maintain info,
links, and security features with firewalls, VPN, access control.
SOHO Routers - Answers Linksys, D-Link, Apple. LAN - usually 4 Gig-E ports for your local devices, Uplink
port, USB port, Basic level Firewall, VPN.
