A network segment where only one device can communicate at a time is known as a _____.
cross talk
protocol
collision domain
modulation
answer
collision domain
question
The number system that has 16 numerals is known as _____.
binary
octal
hexadecimal
decimal
answer
hexadecimal
question
Something that requests data from a server is known as a ____.
switch
router
server
client
answer
client
question
The first part of an Ethernet frame is known as the _____.
frame check sequence
data packet
preamble
MAC address
answer
preamble
question
TCP stands for ______.
Transmission Control Protocol
Tapioca Coconut Pudding
Translational Carrier Pathway
Topical Control Pathogen
answer
Transmission Control Protocol
question
What is the fifth layer of the Transmission Control Protocol/Internet Protocol (TCP/IP) model?
Transport
Data link
Application
Network
answer
Application
question
A user has multiple web pages open and is using email. Which layer of the Transmission Control Protocol/Internet Protocol (TCP/IP) model is responsible for sorting the data to send email and web pages to the appropriate location?
Network
Data link
Transport
Application
answer
Transport
question
A system has defined specifications that describe how signals are sent over connections. Which layer of the Transmission Control Protocol/Internet Protocol (TCP/IP) model provides this function?
Transport
Network
Data link
Physical
answer
Physical
question
What will allow you to form point-to-point networking connections?
Router
Cables
Switch
Hub
answer
Cables
question
A user logs on to a laptop and opens her email. What device will provide emails to the laptop?
Server
Hub
Switch
Router
answer
Server
question
You get in your car after work and turn on the radio. What type of communication does the radio use?
Full duplex
Half duplex
Simplex
Twisted
answer
Simplex
question
Select the device that will have the most network ports.
Server
Desktop
Laptop
Switch
answer
Switch
question
Which layer abstracts away the need for any other layers to care about what hardware is in use?
Physical
Transport
Network
Data link
answer
Data link
question
A user is operating Client A and sends a message to Client B. What is used to identify the node the transmission is meant for?
Subnet address
Internet Protocol (IP) address
Ethernet address
Media Access Control (MAC) address
answer
Media Access Control (MAC) address
question
What section in an ethernet frame will you find a Virtual Local Area Network (VLAN) header?
Frame Check Sequence
EtherType field
PayloadPreamble
answer
EtherType field
question
Where is the Start Frame Delimiter (SFD) found in an ethernet frame?
The first byte of the EtherType field
The first byte of the preamble
The last byte of the preamble
The last byte of the EtherType field
answer
The last byte of the preamble
question
A device that knows how to forward traffic between independent networks is known as a _____.
router
switch
hub
node
answer
router
question
The transmission method that sends data to every device on a LAN is known as a _____ transmission.
broadcast
unicast
multicast
simulcast
answer
broadcast
question
The technique that allows you to have multiple logical LANs operating on the same physical equipment is known as a _____.
collision domain
VLAN
data link layer
protocol
answer
VLAN
question
The most common data link layer protocol for wired connections is _____.
Ethernet
BGP
TCP
UDP
answer
Ethernet
question
A device that connects lots of devices and remembers which ones are connected to each interface is known as a _____.
hub
switch
router
server
answer
switch
question
When an electrical pulse on one wire is accidentally detected on another nearby wire, this is known as _____.
duplex communication
preamble
cross talk
multicast
answer
cross talk
question
A defined set of standards that computers must follow in order to communicate properly is known as a _____.
switch
collision domain
modulation
protocol
answer
protocol
question
UDP stands for ______.
Unified Data Pathway
Unknown Data Protocol
Universal Data Protocol
User Datagram Protocol
answer
User Datagram Protocol
question
What layer in the Transmission Control Protocol/Internet Protocol (TCP/IP) model is responsible for defining a way to interpret signals so network devices can communicate?
Transport
Network
Data link
Application
answer
Data link
question
Which two protocols work at the transport layer and ensures that data gets to the right applications running on those nodes?
Internet Protocol (IP)
User Datagram Protocol (UDP)
Transmission Control Protocol (TCP)
Dynamic Host Configuration Protocol (DHCP)
answer
Transmission Control Protocol (TCP)
User Datagram Protocol (UDP)
question
What type of cable communicates binary data by changing the voltage between two ranges?
Gold
Copper
Silver
Fiber
answer
Copper
question
You have installed a device at the physical layer. All of the systems you connect to this device will talk to each other at the same time. What have you installed?
Hub
Switch
Router
Server
answer
Hub
question
You open a web page and log into your email. The traffic travels over many routers. What protocol will the routers use to determine the most optimal path to forward the traffic?
User Datagram Protocol (UDP)
Transmission Control Protocol (TCP)
Internet Protocol (IP)
Border Gateway Protocol (BGP)
answer
Border Gateway Protocol (BGP)
question
How many wires are in a standard Category 6 cable?
6
8
10
4
answer
8
question
A Local Area Network (LAN) uses Category 6 cabling. An issue with a connection results in a network link degradation and only one device can communicate at a time. What is the connection operating at?
Full Duplex
Half Duplex
Simplex
Partial
answer
Half Duplex
question
Which layer abstracts away the need for any other layers to care about what hardware is in use?
Transport
Data link
Network
Physical
answer
Data link
question
What does the letter B represent in a Media Access Control (MAC) address?
10
15
11
9
answer
11
question
What type of transmission will have a zero in a special bit in the destination Media Access Control (MAC) address?
Unicast
Singlecast
Multicast
Broadcast
answer
Unicast
question
Which layer in the Transmission Control Protocol/Internet Protocol (TCP/IP) model is responsible for delivering data between two nodes?
Application
Network
Transport
Data link
answer
Network
question
What is the most common plug used with twisted pair network cables?
Registered Jack 46
Registered Jack 11
Registered Jack 35
Registered Jack 45
answer
Registered Jack 45
question
What is used to determine when the communications channels are clear and when a device is free to transmit data?
Ethernet
Transmission Control Protocol (TCP)
Internet Protocol (IP)
Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
answer
Carrier Sense Multiple Access with Collision Detection
question
When data can flow across a cable in both directions, this is known as _____ communication.
ethernet
simplex
cross talk
duplex
answer
duplex
question
The Ethernet protocol functions at which layer of the Transmission Control Protocol/Internet Protocol (TCP/IP) model?
Data link
Transport
Application
Physical
answer
Data link
question
What device forwards data and operates at layer three of the Transmission Control Protocol/Internet Protocol (TCP/IP) model?Client
Switch
Router
Hub
answer
Router
question
A communications closet has a device that contains 48 ports. The device's sole function is to provide the ports. What type of device is in the closet?
Patch panel
Router
Switch
Hub
answer
Patch panel
question
What immediately follows the Start Frame Delimiter in an ethernet frame?
Payload
Destination Media Access Control (MAC) address
EtherType field
Frame Check Sequence
answer
Destination Media Access Control (MAC) address
question
What layer in the Transmission Control Protocol/Internet Protocol (TCP/IP) model does IP use?
Transport
Network
Physical
Data link
answer
Network
question
Which section in an ethernet frame contains the data from higher layers, such as Internet Protocol (IP) and the transport and application layers?
Frame Check Sequence
Payload
Preamble
EtherType
answer
Payload
question
Multiple systems try to send data at the same time. The electrical pulses sent across the cable interfere with each other. What type of network segment is being used?
Wide Area Network (WAN)
Subnet
Collision domain
Local Area Network (LAN)
answer
Collision domain
question
What process sends ones and zeroes across network cables?
Modulation
Bits
Coding
Lines
answer
Modulation
question
You need to identify the manufacturer of a network interface. Where will you look for this information?
The fourth octet of a Media Access Control (MAC) address
The last octet of a Media Access Control (MAC) address
The first octet of a Media Access Control (MAC) address
The first three octets of a Media Access Control (MAC) address
answer
The first three octets of a Media Access Control (MAC) address
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