Ethernet: A Comprehensive Guide to Wired Network Technology

Question 1

Which of the following best describes the primary function of an Ethernet switch?

Accepted Answer

Connecting multiple devices and facilitating communication between them

Answer

Dividing a network into smaller segments

Answer

Providing wireless connectivity to devices

Answer

Transmitting data over long distances

Question 2

What is the maximum theoretical data transmission speed supported by 10 Gigabit Ethernet?

Accepted Answer

10 Gbps

Answer

100 Mbps

Answer

1 Gbps

Answer

40 Gbps

Question 3

What is the main purpose of using a network interface card (NIC) in an Ethernet network?

Accepted Answer

Connecting a device to the network

Answer

Converting digital signals to analog signals

Answer

Providing wireless connectivity

Answer

Storing data

Question 4

What is the difference between a MAC address and an IP address in Ethernet networking?

Accepted Answer

A MAC address is unique to a specific device, while an IP address is assigned to a network

Answer

An IP address is unique to a specific device, while a MAC address is assigned to a network

Answer

Both MAC and IP addresses are unique to specific devices

Answer

Both MAC and IP addresses are assigned to networks

Question 5

In Ethernet networks, MAC addresses perform two essential functions. Which of the following accurately describes this dual role?

Accepted Answer

MAC addresses both identify devices and enable communication among them on an Ethernet network.

Answer

MAC addresses solely identify devices connected to the network.

Answer

MAC addresses facilitate communication between devices on an Ethernet network.

Question 6

In an Ethernet network, what is a collision domain?

Accepted Answer

A network segment where devices share the same physical medium and compete for access to it.

Answer

A group of devices that can communicate directly with each other.

Answer

A part of the network where all devices have the same IP address.

Answer

A broadcast domain where all devices share the same physical medium.

Question 7

How has Ethernet technology evolved over time?

Accepted Answer

Ethernet has expanded into a family of standards, catering to various speeds and applications.

Answer

Ethernet has remained stagnant since its inception in the 1970s.

Answer

Ethernet's popularity declined in the late 1990s due to the dominance of wireless technologies.

Question 8

How does Ethernet work with other network technologies like Wi-Fi and fiber optics to enable data communication?

Accepted Answer

Ethernet uses bridges to connect with other network technologies, allowing data to flow seamlessly between different network segments.

Answer

Ethernet can directly connect to Wi-Fi and fiber optic networks without the need for additional devices.

Answer

Ethernet is the main network technology, with Wi-Fi and fiber optics serving as secondary technologies for specific uses.

Answer

Ethernet's compatibility with other network technologies is limited because it relies on wired connections.

Question 9

Which component is not essential for an Ethernet network to function?

Accepted Answer

Routers

Answer

Network interface cards

Answer

Hubs or switches

Answer

Bridges

Question 10

What is the maximum theoretical data transfer rate of Fast Ethernet?

Accepted Answer

100 Mbps

Answer

10 Mbps

Answer

1 Gbps

Answer

10 Gbps

Question 11

What is the primary function of an Ethernet frame?

Accepted Answer

To encapsulate data for transmission over an Ethernet network

Answer

To provide routing information for data packets

Answer

To perform error correction on data packets

Answer

To manage network access control

Question 12

What is the role of the Carrier Sense Multiple Access with Collision Detection (CSMA/CD) protocol in Ethernet?

Accepted Answer

To prevent data collisions by listening for carrier signals

Answer

To establish a connection between two devices before data transmission

Answer

To correct errors introduced during data transmission

Answer

To determine the best path for data transmission

Question 13

Which of the following is NOT an advantage of utilizing Ethernet networks?

Accepted Answer

Suitable for long-distance communication

Answer

High speed

Answer

Reliable data transmission

Answer

Simple and inexpensive to implement

Question 14

What is the name of the industry standard that defines the physical and data link layers of Ethernet networks?

Accepted Answer

IEEE 802.3

Answer

IEEE 802.11

Answer

TCP/IP

Answer

OSI Model

Question 15

Which network topology is commonly employed in Ethernet networks?

Accepted Answer

Star topology

Answer

Bus topology

Answer

Ring topology

Answer

Mesh topology

Question 16

What is the primary purpose of a MAC address within an Ethernet network?

Accepted Answer

To uniquely identify each device on the network

Answer

To provide routing information for data packets

Answer

To store the IP address of the device

Answer

To control access to the network

Question 17

How do MAC addresses enable devices on an Ethernet network to communicate with each other?

Accepted Answer

Each device has a unique MAC address, allowing it to send and receive data meant specifically for it.

Answer

MAC addresses provide routing information for data packets, ensuring they reach their destination efficiently.

Answer

MAC addresses establish a secure connection between devices, preventing unauthorized access.

Answer

MAC addresses control the speed and reliability of data transmission on the network.

Question 18

In an Ethernet network, which topology is NOT known for its cost-effectiveness?

Accepted Answer

Ring

Answer

Star

Answer

Bus

Question 19

What's the primary reason for using VLANs in Ethernet networks?

Accepted Answer

To establish multiple separate networks on a single physical network

Answer

To enhance network performance by reducing traffic congestion

Answer

To connect various types of network devices

Question 20

Which OSI model layer is responsible for identifying individual devices on a network?

Accepted Answer

Data Link

Answer

Physical

Answer

Transport

Answer

Application

Question 21

What is the maximum data transfer rate supported by a 100Base-TX Ethernet network?

Accepted Answer

100 Mbps

Answer

10 Mbps

Answer

1 Gbps

Answer

10 Gbps

Question 22

Which type of Ethernet cable employs optical fibers for data transmission?

Accepted Answer

Fiber Optic

Answer

Unshielded Twisted Pair (UTP)

Answer

Shielded Twisted Pair (STP)

Answer

Coaxial

Question 23

What is the primary function of a Media Access Control (MAC) address?

Accepted Answer

To uniquely identify devices connected to a network

Answer

To establish network connections

Answer

To ensure data security

Answer

To manage network traffic

Question 24

Which standard governs the physical layer specifications of Ethernet?

Accepted Answer

IEEE 802.3

Answer

IEEE 802.11

Answer

IEEE 802.15

Answer

IEEE 802.16

Question 25

Which type of Ethernet switch lacks advanced management capabilities?

Accepted Answer

Unmanaged

Answer

Managed

Answer

Intelligent

Answer

Hybrid

Question 26

What is the purpose of a crossover Ethernet cable?

Accepted Answer

Connecting two computers directly

Answer

Connecting a computer to a switch

Answer

Connecting two switches

Answer

Connecting a router to a modem

Question 27

Which IEEE standard defines the physical layer and data link layer protocols for Ethernet?

Accepted Answer

802.3

Answer

802.11

Answer

802.15.4

Answer

802.16

Question 28

Which type of Ethernet cable is suitable for high-speed data transmission over long distances?

Accepted Answer

Fiber optic cable

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Ribbon cable

Question 29

What is the maximum size of an Ethernet frame, including the header and data?

Accepted Answer

1518 bytes

Answer

1500 bytes

Answer

2048 bytes

Answer

4096 bytes

Question 30

Which Ethernet technology is used to connect devices over large geographic areas?

Accepted Answer

FDDI

Answer

Fast Ethernet

Answer

Gigabit Ethernet

Answer

10 Gigabit Ethernet

Question 31

What is the primary purpose of a Media Access Control (MAC) address in Ethernet?

Accepted Answer

To uniquely identify a device on the network

Answer

To route traffic between networks

Answer

To correct errors in data transmission

Answer

To encrypt data for secure communication

Question 32

Which network topology is most commonly used in Ethernet networks?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 33

Which type of Ethernet connection uses an RJ-45 connector?

Accepted Answer

10BASE-T

Answer

10BASE2

Answer

10BASE5

Answer

AUI

Question 34

How has Ethernet's role evolved in modern network architectures, particularly in cloud computing and software-defined networking (SDN)?

Accepted Answer

In cloud computing, Ethernet serves as a reliable data transport layer.

Accepted Answer

SDN utilizes Ethernet for centralized control and programmability of network infrastructure.

Answer

Ethernet remains confined to local area networks (LANs).

Answer

Ethernet's role has diminished due to wireless technologies.

Question 35

Which of the following is NOT a defining characteristic of Ethernet technology?

Accepted Answer

Wireless connectivity option

Answer

High transmission speeds

Answer

Reliable data transfer

Answer

Scalability to accommodate network growth

Question 36

In Ethernet networks, what is the primary function of the Media Access Control (MAC) address?

Accepted Answer

Uniquely identifies devices connected to the network

Answer

Transmits data packets across the network

Answer

Directs network traffic between different segments

Answer

Protects the network from unauthorized access

Question 37

Which type of cable is commonly used in Ethernet networks?

Accepted Answer

CAT5e cable

Answer

Coaxial cable typically used for television signals

Answer

Fibre optic cable designed for high-speed data transmission

Answer

USB cable primarily intended for connecting peripherals

Question 38

What is the primary function of the Media Access Control (MAC) address in Ethernet?

Accepted Answer

To uniquely identify each device on the network

Answer

To transmit data over the network

Answer

To control access to the network

Answer

To provide error correction

Question 39

Which protocol is responsible for mapping MAC addresses to IP addresses in an Ethernet network?

Accepted Answer

ARP

Answer

DHCP

Answer

DNS

Answer

NAT

Question 40

What is the purpose of the Ethernet preamble in the Ethernet frame structure?

Accepted Answer

To synchronize the receiver and transmitter

Answer

To provide error correction

Answer

To delimit the start of a frame

Answer

To carry data

Question 41

What is the maximum data rate supported by modern 10 Gigabit Ethernet technology?

Accepted Answer

10 Gbps

Answer

1 Gbps

Answer

100 Gbps

Answer

1 Tbps

Question 42

Which type of Ethernet cable is most suitable for high-bandwidth applications, such as video streaming?

Accepted Answer

Fiber optic

Answer

Twisted pair

Answer

Coaxial

Answer

RJ-11

Question 43

What is the primary function of a Media Access Control (MAC) address in an Ethernet network?

Accepted Answer

To uniquely identify a device connected to the network

Answer

To provide encryption for data transmission

Answer

To route traffic between different networks

Question 44

Which topology is commonly used in Ethernet networks, where devices are connected to a central hub or switch?

Accepted Answer

Star

Answer

Ring

Answer

Mesh

Answer

Bus

Question 45

What is the key difference between full-duplex and half-duplex Ethernet?

Accepted Answer

Full-duplex allows simultaneous transmission and reception, while half-duplex does not

Answer

Full-duplex operates at higher speeds than half-duplex

Answer

Full-duplex uses different types of cables than half-duplex

Question 46

What is the primary role of a switch in an Ethernet network?

Accepted Answer

To forward data frames to specific devices based on their MAC addresses

Answer

To provide network security

Answer

To amplify signals over long distances

Question 47

What is the maximum transmission speed of Fast Ethernet?

Accepted Answer

100 Mbps

Answer

10 Gbps

Answer

100 Gbps

Answer

1 Gbps

Question 48

What is the primary function of a MAC address in Ethernet?

Accepted Answer

Identifying devices on the network

Answer

Controlling network access

Answer

Routing network traffic

Question 49

Which of the following protocols is used in Ethernet?

Accepted Answer

TCP/IP

Answer

DNS

Answer

SMTP

Answer

HTTP

Question 50

What is the main purpose of a switch in an Ethernet network?

Accepted Answer

Connecting and forwarding data between devices

Answer

Transmitting data across long distances

Answer

Filtering network traffic

Question 51

Which of the following topologies is commonly used in Ethernet networks?

Accepted Answer

Star

Answer

Ring

Answer

Mesh

Answer

Bus

Question 52

What is the primary purpose of a router in an Ethernet network?

Accepted Answer

Interconnecting different networks

Answer

Storing network data

Answer

Filtering network traffic

Answer

Providing wireless connectivity

Question 53

Which of the following is a benefit of using fiber optic cables in Ethernet networks?

Accepted Answer

Higher bandwidth and longer reach

Answer

Easier installation

Answer

Increased security

Question 54

In an Ethernet network, what is a VLAN used for?

Accepted Answer

Logically segmenting a network for security and performance

Answer

Filtering network traffic

Answer

Controlling network access

Answer

Providing wireless connectivity