IT ESSENTIALS V. 4.1
8.1 Explain the principles of networking
What are networks?
What are social networking sites?
What is a conceptual network?
Why are computers networked?
the simplest network?
8.1.1 Define computer networks
What is a computer data network?
What is a host?
What is a peripheral?
What type of resources can be shared on a
How are network devices linked together?
Explain the benefits of networking
What are the benefits of networking
What manages network resources?
What can be used to prevent users from
overwriting files or changing files that
others are accessing at the same time?
Activity: Advantages and Disadvantages of Networking
8.2 Describe Types of Networks
8.2.1 Describe a LAN
What is a LAN?
What is a WAN?
What is the most common example of a
What interconnects LANs at
8.2.3 Describe a WLAN
In a WLAN, how are access points
connected to the network?
What is the range for typical WLAN
Activity: Network Types
8.2.4 Explain peer
Explain a peer
What is the best environment for peer
What are the disadvantages of peer
8.2.5 Explain client/server networks
Explain a client/server network.
Who maintains the server in a client/server
What is a workgroup?
What is a domain?
What is a specialized server that manages
all security related aspects of users and
network resources called?
8.3 Describe basic networking concepts and technologies
bandwidth and data transmission
What is bandwidth?
What is a packet?
What is a header?
How is bandwidth measured?
What is latency?
What is simplex mode?
What is half
What is an example of
What is full
What is an example of full
How does full
duplex increase network
8.3.2 Describe IP addressing
What is an IP address?
What is another name
for the physical
Can you change a physical address?
What is another name for a logical
How is the logical address assigned?
How many bits are in an IP address?
What is meant by dotted
What are the two parts of an IP address?
What is meant by hierarchical addressing?
What are the five classes of IP addresses?
Which IP class is used for experimental
What does the subnet mask indicate?
What is the
default subnet mask for Class
What is the default subnet mask for Class
What is the default subnet mask for Class
What is subnetting?
What is the main difference between an IP
address and a MAC address?
What is a
What does DHCP do?
Worksheet: Identify IP Address Classes
8.3.3 Define DHCP
How does DHCP simplify the administration
What happens if a computer cannot
communicate with the DHCP server?
What is the operating
systems feature that
automatically assigns a private IP?
How often does APIPA request an IP
address from a DHCP server?
What is NAT (network address translation)?
8.3.4 Describe Internet protocols and applications
What is a protocol?
What are Internet protocols?
What do protocol specifications define?
What are the main functions of protocols?
What is the communication protocol that
establishes a connection on the Internet?
What is the protocol that provides
for file transfer and manipulation?
What is the protocol used to securely
connect to a remote network device?
What is Telnet used for?
What are the protocols used to download
mail messages from an email server?
Identify the correct port numbers:
What is TCP/IP?
What is ICMP used for?
What is used to test connections between
How does Ping work?
What is another use for ping?
What happens if a router
does not know
where to send a packet?
What are the most common devices on a
What are the most common media used on
What do hubs do?
What is another name for a hub?
Why are files broken up into packets
they are transmitted over the network?
What is a bridge?
What is another name for a switch?
What does a switch do when a frame
arrives at a port?
What do switches connect?
What do bridges connect?
What do routers
use to forward frames?
What do wireless access points provide?
What do wireless access points use to
What is a multi
8.4.2 Identify names, purposes, and characteristics of common network cables
coaxial and twisted
pair cable use
to transmit data?
What does fiber optic cable use to transmit
What is twisted pair cable used for?
Why is the cable twisted?
What is crosstalk?
What is the cancellation effect?
What are the two basic types of twisted
What is the most commonly used cable in
What is the range of a UTP cable?
Why is STP more expensive?
What are the two factors used when
deterring the category of
What is category 3 cable used for?
How is Cat 3 terminated?
What are the most common network
How are Cat 5 cables terminated?
How many pins are in a RJ11 connector?
How many pins are in a RJ 45
What is coax cable?
What is the coax cable with a maximum
length of 500 m?
What is the coax cable with a maximum
length of 185 m?
What is the most commonly used cable for
What coax cable has the
and less susceptibility to interference?
Why is fiber
optic not affected by EMI or
What are the two types of fiber
Packet Tracer Activity
8.5 Describe LAN topologies and architectures
What are the two
types of LAN topologies?
What is a physical topology?
What is a logical topology?
What is a LAN architecture?
8.5.1 Describe LAN topologies
What does the type of topology
Identify the following physical
Why do you need a terminator in a bus
How does a ring topology work?
What is the advantage of a star topology?
What is a benefit of a mesh topology?
the two most common types of
How does broadcast topology work?
How can a host send data on a taken
8.5.2 Describe LAN architecture
What are the three most common LAN
the standard for Ethernet?
What is CSMA/CD?
What kind of topology does Ethernet use?
What topology was originally developed by
What is the token ring referred to and
What is a MSAU?
What is the outer ring
of an FDDI network
How many computers can be supported in
an FDDI dual ring network?
What does a repeater do?
What is the total distance of each length of
FDDI cable ring?
8.3 Identify Standards Organizations
manufacturers use standards for?
What organization defines international
What is IEEE best known for?
What is the mission of the IEC?
Study Guide 8 Part 3
8.7 Identify Ethernet Standards
Cabled Ethernet Standards
What is the standard for Ethernet
What is a backoff algorithm?
In CSMA/CD, who transmits first?
What is 10BaseT technology?
What are the advantages of using 10BaseT?
the maximum length of a 10BaseT
What is the difference between 10BaseT
and 100Base T?
What is another name for 1000BaseT?
Why do people use gigabit Ethernet?
8.7.2 Explain wireless Ethernet standards
What is the
standard for wireless
standard operates in the 5
GHz radio frequency range with a
maximum range of 45.7 m (150 ft)?
Which wireless standard operates in the
2.4 GHz radio frequency range with a
maximum range of 91 m
Which wireless standard has the longest
8.8 Explain OSI and TCP/IP data models
What is an architectural model?
Who created the TCP/IP model?
What are the four layers of the TCP/IP
How many layers
are in the OSI model?
What are the layers of the OSI model?
8.8.1 Define the TCP/IP model
Where does a message begin in the TCP/IP
What network services are provided to the
user at the application layer?
layer protocol accesses,
control, and troubleshoots remote
computers and remote devices?
What application layer protocol translates
domain names to IP addresses?
What do the transport layer protocols
What two protocols are tr
Which transport layer protocol provides for
the reliable delivery of data?
Which protocol provides source and
Which protocol is used for network testing
How does RIP
What is ARP used for?
What do network access layer protocols
8.8.2 Define the OSI model
How many layers are in the OSI model?
What is a protocol stack?
Where are protocol stacks implemented?
Which layer is responsible for providing
network access to applications?
What happens at the transport layer?
At which layer does the segment become a
What information is contained in a packet?
What information does
a frame contain?
What are the two mnemonics for the OSI
8.8.3 Compare OSI and TCP/IP
OSI Model Activity
Study Guide 8 Part 4
8.9 Describe how to configure a NIC and a modem
What is required to connect to the
can you find a driver for a NIC?
8.9.1 Install or update a NIC driver
What is a best practice when running driver
What button do you press to expand a
How do you uninstall a NIC driver?
Worksheet: Internet Search
for NIC drivers
8.9.2 Attach Computer to Existing Network
What is indicated if there are no link lights
on a NIC?
How do most computers get an IP address?
Can two machines have the same IP
How is the MAC address
What command is used to test
What command is used to find out what
your IP address is?
What does a default gateway do?
What is telnet?
Does telnet support the transport of
8.9.3 Describe the installation of a modem
What is a modem?
What is the process of converting analog
signals to digital and back again called?
What is DUN?
What is the handshaking sequence?
What is the Hayes
Command set based on?
What are AT commands?
What is the AT command to answer the
What AT command signifies pulse dialing?
8.10 Identify names, purposes, and characteristics of other technologies used to establish
What was the Internet used for in the
What is POTS?
8.10.1 Describe telephone technologies
What technology uses standard telephone
What are the two major disadvantages of
analog telephone technology?
What is the maximum bandwidth using an
What is ISDN (Integrated Services Digital
What are the three services provided by
ISDN digital connections?
What type of information is carried on the
What is the “D” channel used for?
Which ISN type uses two 64 Kbps B
channels and one 16 Kpbs D channel?
Which ISDN type is used mostly in network
What is meant by “always on” technology?
What is DSL?
are the two major considerations
when selecting DSL?
What is the most commonly used DSL
What is downstream?
In ASDL is the upstream or downstream
What is Power Line Communication?
power line communications be
8.10.3 Define Broadband
What is broadband?
What is Bluetooth?
What is the standard used for Bluetooth?
What are the three classifications for
What is adaptive
frequency hopping (AFH)?
What does cellular technology enable?
How many generations of cellular
technology are there?
What is the standard used by the
worldwide cellular network?
What is Quad band technology?
What are the
four GSM frequencies?
What is the data service used to send and
receive text messages?
What provides increased data rates and
improved data reliability?
What provides fast download rates?
Which generation of cellular
allows streaming music and 3D gaming?
Which generation of cellular technologies
allows Voice over IP
How does a cable modem connect your
computer to the cable company?
Who normally using broadband satellite?
many phone calls can a single cooper
Why would you use fiber broadband?
Worksheet: Answer Broadband Questions
8.10.4 Define VOIP
What is VOIP?
What is PSTN?
What is a disadvantage of COIP?
8.10.5 Define VPN
What is a VPN?
What is a VPN tunnel?
8.11 Identify and apply common preventive maintenance techniques used for networks
What is one of the biggest problems with
network device in server rooms?
What is involved in prevention
What is a counterfeit device?
How can you minimize the risk of
purchasing counterfeit products?
8.12 Troubleshoot a network
What should you do to assess how
complicated a problem is?
What are the six steps of the
8.12.1 Review the troubleshooting process
What are some common causes of network
What command is used to display IP
addressing information for all network
What command is used to check
What command will return a list of hosts in
What command will show you the route
taken by packets when they travel across
What command will display a list of
computers in a workgroup?
8.12.2 Identify common network problems and solutions
What is the probable cause if a user cannot
telnet into a remote device?
What is the probable cause if the computer
has an IP address of 169.254.x.x?
What is the probable cause if
one user can
log in to the local network but cannot
access the Internet?
Worksheet: Diagnose a Network Problem