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WorksheetsITN 07.01 Ethernet Frames
Total questions: 74
Worksheet time: 39mins
_____________ is a family of networking technologies defined in the IEEE 802.2 and 802.3 standards.
Ethernet
TCP/IP
ARPANET
HDLC
Data from the Network layer is _____________ within an Ethernet frame before being transmitted to another device on the LAN.
encapsulated
provisioned
segmented
encoded
Which of the following media can carry Ethernet communications?
twisted-pair
coaxial cable
fiber-optic cable
Ethernet standards define protocols/technologies at which layer(s) of the OSI model?
Layer 1
Layer 2
Layer 3
Layer 4
IEEE _______ standards define protocols at the LLC sublayer.
802.2
802.3
802.11
802.15
Ethernet is defined by protocols operating at which of the following OSI model layers?
Physical
Data Link
Network
Transport
The MAC sublayer protocols are defined by which group of Ethernet standards?
802.2
802.3
802.1
802.5
IEEE _____ defines protocols for Local Area Networks (LANs) and Metropolitan Area Networks (MANs).
802
801
803
804
In the OSI model, network software operates at layers 3 through 7. The hardware operates at Layer 1. The ____ sublayer of the Data Link Layer handles communication between the network software and the hardware.
LLC
MAC
IEP
MRT
In the Data Link Layer, LLC refers to the ____________ sublayer.
Logical
Long Link Collision
Latent Link Contention
Listening Link Connection
The LLC sublayer assigns a field to the frame header identifying the ______ layer protocol being used for the frame.
network
transport
physical
application
Which of the following IEEE _______ standard numbers refer to protocols that operate at the LLC sublayer?
802.2
802.3
802.11
802.15
A __________ is the unit of data generated by Ethernet protocols at the Data Link Layer.
frame
segment
byte
packet
What is the name of the Data Link Layer sublayer that is implemented in hardware?
MAC
LLC
ARC
TSL
What is the name of the data link layer sublayer that provides addressing?
MAC
LLC
ATM
FDDI
What is the name of the Data Link Layer sublayer that is integrated with physical layer technologies?
MAC
SDLC
DSL
TRA
Which IEEE Standards group defines Ethernet standards?
802.3
802.11
802.15
802.2
What is the number for the IEEE standards group that defines protocols for the LLC sublayer of the Data Link Layer?
802.2
802.3
802.11
802.15
Which IEEE standards group defines protocols for WLAN technologies?
802.11
802.2
802.3
802.15
What is the number for the IEEE standards group for wireless LAN communications?
802.11
802.2
802.3
802.15
What is the number of the IEEE standards group defining protocols for WPAN technologies?
802.15
802.11
802.2
802.3
Which group of technologies does IEEE 802.3 define?
Ethernet
WLAN
WPAN
LLC
What group of technologies does IEEE 802.11 define?
WLAN
Ethernet
WPAN
LLC
What group of technologies does IEEE 802.15 define?
WLAN
Ethernet
WPAN
LLC
What group of technologies does IEEE 802.2 define?
WLAN
Ethernet
WPAN
LLC
The protocol and technology specifications for Bluetooth (used in wireless headphones/speakers and other short-range wireless technologies) are included in which IEEE standards group?
802.15
802.11
802.2
802.3
The protocol and technology specifications for wireless local area networks are included in which IEEE standards group?
802.15
802.11
802.2
802.3
The protocol and technology specifications for wired Ethernet local area networks are included in which IEEE standards group?
802.15
802.11
802.2
802.3
The protocol and technology specifications for wireless personal area networks are included in which IEEE standards group?
802.15
802.11
802.2
802.3
The protocol and technology specifications for RFID are included in which IEEE standards group?
802.15
802.11
802.2
802.3
Which of the following IEEE standards groups are associated with the MAC sublayer of the Data Link Layer?
802.15
802.11
802.2
802.3
Which of the following IEEE standards groups are associated with the LLC sublayer of the Data Link Layer?
802.15
802.11
802.2
802.3
Within the Data Link Layer, the ________ sublayer is responsible for data encapsulation and accessing the media.
MAC
LLC
DMI
DEC
The Ethernet frame includes both a source and destination _______ address.
MAC
IP
LLC
ETHERTYPE
The source and destination MAC address are used to deliver the Ethernet frame from one Ethernet NIC to another on _________________
the same network
different networks
on the same device
The IEEE 802.3 standards define Ethernet communications for which types of media?
copper
fiber-optic
coaxial
wireless
The IEEE __________ standards define Fast Ethernet (up to 100 Mbps)
802.3u
802.3z
802.ab
802.ae
The IEEE __________ standards define Gigabit Ethernet (up to 1000 Mbps) over fiber.
802.3u
802.3z
802.ab
802.ae
The IEEE __________ standards define Gigabit Ethernet (up to 1000 Mbps) over copper.
802.3u
802.3z
802.ab
802.ae
The IEEE __________ standards define 10 Gigabit Ethernet (up to 10000 Mbps) over fiber.
802.3u
802.3z
802.ab
802.ae
Legacy Ethernet uses a __________ logical topology.
bus
star
ring
mesh
The ________ was a networking device used by legacy Local Area Networks that supported a logical bus topology.
hub
switch
T-line
frame relay
Legacy LANs using hubs operate on a ____________ duplex medium.
half
full
shared
semi
Ethernet over a half-duplex medium uses a _________________ media access method.
contention-based
controlled
supervised
corollated
Ethernet over a half-duplex medium uses which media access method?
CSMA/CD
CSMA/CA
CSMA/CS
CSMA/SR
CSMA/CD is a _________________ media access method.
contention-based
controlled
supervised
corollated
How do devices using a CSMA/CD access method share the medium?
Only one device transmits at a time.
All devices transmit at the same time.
Up to half the devices can transmit at the same time.
CSMA/CD only supports one device on a given medium.
_______ allows devices to share the same half-duplex medium, detecting collisions when more than one device tries to submit at the same time.
CSMA/CD
CSMA/CA
CSMA/CR
CSMA/CC
What does the CD in CSMA/CD stand for?
Collision Detection
Certified Data
Continuing Determination
Connected Devices
In a half-duplex medium, a __________________ occurs when multiple devices on the medium attempt to transmit at the same time.
collision
dispersion
cancellation
synchronization
Ethernet LANs today use switches that operate in which duplex mode?
full
half
tiered
controlled
True/False. Full duplex communications with Ethernet switches require media access control.
True
False
True/False. CSMA/CD media access is not required for full duplex communications with Ethernet switches
True
False
The minimum Ethernet frame size is ________ bytes
64
32
128
256
An Ethernet frame that is less than 64 bytes in size is considered a _________________.
collision fragment
preamble
frame check sequence
cyclic redundancy
What does the receiving device do if it receives an Ethernet frame that is less than 64 bytes in size?
Discards the frame
Broadcasts the frame to all devices on the network
Sends an ARP response back to the original sender
De-encapsulates the frame
Ethernet frames that are larger than 1518 bytes are considered ___________
jumbo frames
collision frames
signaling frames
repeating frames
What is the name of the Ethernet frame field used to get the attention of the receiving node(s)?
Preamble and Start Frame Delimiter (SFD)
Frame Check Sequence (FCS)
EtherType
Synchronization Byte Unit (SBU)
What is the Ethernet frame field used to identify the intended recipient of the frame?
Destination MAC address
Destination IP address
Destination Neighbor address
Destination Loopback address
What is the Ethernet frame field used to identify the originating NIC or interface of the frame?
Source MAC address
Source IP address
Source Neighbor address
Source Loopback address
How many bytes in size is an Ethernet MAC address?
6 bytes (48 bits)
4 bytes (32 bits)
16 bytes (128 bits)
32 bytes (256 bits)
What is the Ethernet field used to identify the upper layer protocol encapsulated in the Ethernet frame?
Type
Protocol
Payload
Packet
What is the hexadecimal value in the Type field of an Ethernet frame if the frame encapsulates an IPv4 packet?
0x800
0x86DD
0x806
0x866
What is the hexadecimal value in the Type field of an Ethernet frame if the frame encapsulates an IPv6 packet?
0x800
0x86DD
0x806
0x866
What is the hexadecimal value in the Type field of an Ethernet frame if the frame encapsulates ARP traffic?
0x800
0x86DD
0x806
0x866
If the data encapsulated by an Ethernet frame is small enough that the frame would be less than 64 bytes in size, additional bits called a __________ are added to the payload.
pad
delimiter
preamble
frame check sequence
Which field in an Ethernet frame is used to detect errors in the frame?
Frame Check Sequence (FCS)
Start Frame Delimiter (SFD)
Port Number
Control
The FCS field in an Ethernet frame contains the result of a calculation called a __________________, which is recalculated and compared by the receiving host to check for errors.
Cyclic Redundancy Check (CRC)
Ethernet Parametric Counter (EPC)
Qualified Modulus Equivalent (QME)
Loopback Dispersion Distance (LDD)
Which part of an Ethernet Frame uses a pad to increase the frame field to at least 64 bytes?
EtherType
Preamble
Start of Frame Delimiter
Data field
Which part of an Ethernet Frame describes the higher-layer protocol that is encapsulated?
EtherType
Preamble
Start of Frame Delimiter
Frame Check Sequence
Which data link sublayer controls the network interface through software drivers?
LLC
MAC
MDT
LRC
Which data link sublayer works with the upper layers to add application information for delivery of data to higher level protocols?
LLC
MAC
ERP
CSR
What is a function of the MAC sublayer? (Choose any/all that apply.)
control access to the media
check for errors in received bits
use CSMA/CD or CSMA/CA to support Ethernet technology
communicates between software at the upper layers and the device hardware at the lower layers
allows multiple Layer 3 protocols to use the same network interface and media
What is a function of the LLC sublayer? (Choose any/all that apply.)
control access to the media
check for errors in received bits
use CSMA/CD or CSMA/CA to support Ethernet technology
communicates between software at the upper layers and the device hardware at the lower layers
allows multiple Layer 3 protocols to use the same network interface and media
