WorksheetsEthernet Fundamentals Networking
Total questions: 58
Worksheet time: 31mins
is a standard technology for wired networking
LAN
Ethernet
IEEE
OSI Model
is a worldwide organization of engineers and scientists. It makes rules (standards) for technology like Wi-Fi and Ethernet, publishes research, and helps professionals learn and share ideas.
Ethernet
LAN
IEEE
OSI Model
What year was CSMA/CD developed at the University of Hawaii?
1985's
1970's
1980's
1995
What year did IEEE announce a standard for a 100-Mbps Ethernet?
1970's
1980's
1985's
1995
In what year did IEEE released 1Gbps?
1985
1995
1998
2002
In what year did IEEE approved 10Gbps?
1985
1995
1998
2002
In what year when the First Ethernet standard published by DIX?
1970's
1980's
1985
1995
What year was IEEE 802.3 released? It was based on Ethernet.
1985
1995
1998
2002
Ethernet and IEEE 802.3 are the same standards
True
False
The success of Ethernet is due to the following factors:
Simplicity and ease of maintenance
Ability to incorporate new technologies
Reliability
Accountability
Low cost of installation and upgrade
Uses copper (UTP) or fiber optic cables
IEEE
Ethernet
OSI Model
LAN
Provides speeds from 10 Mbps to 100+ Gbps.
Cable
Internet
Ethernet
LAN
Identifies devices using MAC addresses.
Ethernet
LAN
Wire
Cable
Reliable, fast, and widely used in homes, schools, and businesses.
LAN
Ethernet
Cable
Wire
Connects devices in a Local Area Network (LAN).
Cable
Ethernet
Wire
LAN
It is a sublayer of the Data Link Layer (Layer 2) in the OSI model that manages how devices access and share the network medium.
Institute of Electrical and Electronics Engineers (IEEE)
Logical Link Control (LLC)
Media Access Control (MAC)
Local Area
Network (LAN)
It tells other devices on the network that a frame is coming down the wire.
Data Field
Address Field
Start Frame field
Stop Frame Field
It stores the source and destination MAC addresses.
Address Field
Start Frame Field
Data Field
Stop Frame Field
It is an optional field. Exact length of frame, or Layer 3 protocol making the sending request, or not used
Data Field
Address Field
Start Frame Field
Type/Length Field
It is the actual information being sent by the upper-layer protocols. Therefore, it will be all upper layer data.
Start Frame Field
Data Field
Stop Frame Field
Address Field
It adds the values of all of the data bits to arrive at a sum
Cyclic Redundancy Check (CRC)
Two-dimensional parity
Internet checksum
Address
performs polynomial calculations on the data
Cyclic Redundancy Check (CRC)
Two-dimensional parity
Internet checksum
Address
adds an 8th bit that makes an 8 bit sequence have an odd or even number of binary 1's
Cyclic Redundancy Check (CRC)
Two-dimensional parity
Internet checksum
Address
What are the 3 types of FCS Field?
Cyclic Redundancy Check (CRC)
Data Integrity
Two-dimensional parity
Internet checksum
It is also called the Frame Trailer, is an optional field that is used when the length of the frame was not specified in the Type/Length field.
Start Frame Field
Address Field
Data Field
Stop Frame Field
The term "Ethernet" refers to a ______ of networking technologies that include original Ethernet, Fast Ethernet, Gigabit Ethernet and 10 Gigabit Ethernet
branch
family
parent
node
Which is true about Layer 1?
can only describe streams of bits.
uses Logical Link Control (LLC) to communicate with the upper-level layers.
cannot name or identify computers.
cannot communicate with the upper-level layers.
cannot decide which computer will transmit binary
data.
Which is true about Layer 2?
uses framing to organize or group the bits.
uses an addressing process to identify computers.
cannot name or identify computers.
uses Logical Link Control (LLC) to communicate with the upper-level layers.
uses Media Access Control (MAC) to decide which computer will transmit.
The physical address is located on the ______.
Institute of Electrical and Electronics Engineers (IEEE)
Network Interface Card (NIC)
burned-in addresses (BIAs)
Local Area Network (LAN)
Temporary network location (assigned by network or DHCP)
MAC Address
UTP Address
IP Address
LAN Address
Permanent hardware identity (assigned by manufacturer)
MAC Address
IP Address
UTP Address
LAN Address
It helps to identify a device locally, while IP helps locate it globally.
LAN
MAC
UTP
NIC
It refers to how data is transmitted between two devices.
Flexibility
Perplexity
Duplex
Duplicate
What are the 2 types of Duplex?
Short Duplex
Half Duplex
Full Duplex
Whole Duplex
Data transmission occurs in both directions simultaneously.
Short Duplex
Full Duplex
Half Duplex
Whole Duplex
Data transmission occurs in both directions, but not simultaneously.
Short Duplex
Half Duplex
Full Duplex
Whole Duplex
Devices take turns sending and receiving data.
Whole Duplex
Full Duplex
Half Duplex
Short Duplex
Devices can send and receive data at the same time.
Whole Duplex
Full Duplex
Half Duplex
Short Duplex
CSMA/CD stands for?
Carrying Speed Multi Access with Collision Detection
Carrier Sense Multiple Access with Collision Detection
Carrier Sense Multiple Application with Collision Detection
Career Sense Multiple Access with Collision Detection
A ______ occurs when multiple network devices try to send data simultaneously on the same medium, leading to data overlap and transmission errors.
Collision
Illusion
Cushion
Fushion
What are the 3 types of Collisions?
Local Collision
Early Collision
Remote Collision
Late Collision
It is the idle time or pause that occurs between the end of one frame and the beginning of the next frame.
Inter-frame spacing
Front-off Algorithm
Back-off Algorithm
Def-off Algorithm
It determines how long a device waits before reattempting to send data after detecting that the communication channel is busy or a collision has occurred.
Def-off Algorithm
Front-off Algorithm
Back-off Algorithm
Top-off Algorithm
A collision that occurs within the same collision domain (for example, in a hub-based network).
Early Collision
Local Collision
Remote Collision
Late Collision
Collision detected after the first 512 bits (64 bytes) of the frame have already been transmitted.
Local Collision
Remote Collision
Late Collision
Early Collision
A collision that occurs outside the local segment, often too far away to detect in time.
Local Collision
Remote Collision
Late Collision
Early Collision
What is the Cause of Remote Collision?
Exceeding maximum Ethernet cable length (propagation delay).
Cable too long. Faulty NICs or misconfigured network equipment.
Too many repeaters or hubs.
Duplex mismatch (one device full, the other half).
What are the Cause of Late Collision?
Too many repeaters or hubs.
Cable too long. Faulty NICs or misconfigured network equipment
Two or more devices attempt to send data
simultaneously on the same Ethernet segment.
Duplex mismatch (one device full, the other half).
What are the cause of Local Collision?
Cable too long. Faulty NICs or misconfigured network equipment.
Duplex mismatch (one device full, the other half).
Too many repeaters or hubs.
Two or more devices attempt to send data simultaneously on the same Ethernet segment.
It is a protocol that allows two connected network devices (like a computer and a switch) to automatically exchange information about their capabilities and agree on the best possible settings for communication.
Ethernet Data Mining
Ethernet Errors
Ethernet auto-negotiation
Ethernet Cable Wire
What type of Ethernet Errors is unwanted electrical signals disturb Ethernet signals?
Collisions
Electrical Interference (Noise)
Faulty or Damaged Cables
Duplex Mismatch
Two or more devices transmit data simultaneously on the same network segment. What type of Ethernet errors is this?
Collisions
Electrical Interference (Noise)
Faulty or Damaged Cables
Duplex Mismatch
One device runs in full-duplex, the other in half-duplex.
Collisions
Electrical Interference (Noise)
Faulty or Damaged Cables
Duplex Mismatch
Physical defects in cables cause poor signal transmission.
Collisions
Electrical Interference (Noise)
Faulty or Damaged Cables
Duplex Mismatch
Occur when the frame’s checksum (Cyclic Redundancy Check) doesn’t match.
Faulty Network Interface (NIC) or Port
Congestion and Buffer Overflows
Misconfigured Network Devices
Frame Errors (Detected by CRC)
Hardware defects in NICs, switches, or ports.
Faulty Network Interface Card (NIC) or Port
Congestion and Buffer Overflows
Incorrect speed, duplex, or VLAN settings
Frame Errors (Detected by CRC)
Incorrect speed, duplex, or VLAN settings.
Faulty Network Interface Card (NIC) or Port
Congestion and Buffer Overflows
Misconfigured Network Devices
Frame Errors (Detected by CRC)
When network devices (like switches) receive more traffic than they can handle.
Faulty Network Interface Card (NIC) or Port
Congestion and Buffer Overflows
Misconfigured Network Devices
Frame Errors (Detected by CRC)
