A network segment where only one device can communicate at a time is known as a _____.cross talkprotocolcollision domain modulation
The number system that has 16 numerals is known as _____.binaryoctalhexadecimal decimal
Something that requests data from a server is known as a ____.switchrouterserver client
The first part of an Ethernet frame is known as the _____.frame check sequencedata packetpreamble MAC address
TCP stands for ______.Transmission Control ProtocolTapioca Coconut PuddingTranslational Carrier Pathway Topical Control Pathogen
Transmission Control Protocol
What is the fifth layer of the Transmission Control Protocol/Internet Protocol (TCP/IP) model?TransportData linkApplication Network
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?NetworkData link Transpo
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?TransportNetworkData link Physical
What will allow you to form point-to-point networking connections?RouterCablesSwitch Hub
A user logs on to a laptop and opens her email. What device will provide emails to the laptop?ServerHubSwitch Router
You get in your car after work and turn on the radio. What type of communication does the radio use?Full duplexHalf duplexSimplex Twisted
Select the device that will have the most network ports.ServerDesktopLaptop Switch
Which layer abstracts away the need for any other layers to care about what hardware is in use?PhysicalTransportNetwork Data link
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 addressInternet Protocol (IP) addressEthernet address Media Access Control (MAC) address
Media Access Control (MAC) address
What section in an ethernet frame will you find a Virtual Local Area Network (VLAN) header?Frame Check SequenceEtherType field PayloadPreamble
Where is the Start Frame Delimiter (SFD) found in an ethernet frame?The first byte of the EtherType fieldThe first byte of the preambleThe last byte of the preamble The last byte of the EtherType field
The last byte of the preamble
A device that knows how to forward traffic between independent networks is known as a _____.routerswitchhub node
The transmission method that sends data to every device on a LAN is known as a _____ transmission.broadcastunicastmulticast simulcast
The technique that allows you to have multiple logical LANs operating on the same physical equipment is known as a _____.collision domainVLANdata link layer protocol
The most common data link layer protocol for wired connections is _____.EthernetBGPTCP UDP
A device that connects lots of devices and remembers which ones are connected to each interface is known as a _____.hubswitchrouter server
When an electrical pulse on one wire is accidentally detected on another nearby wire, this is known as _____.duplex communicationpreamblecross talk multicast
A defined set of standards that computers must follow in order to communicate properly is known as a _____.switchcollision domainmodulation protocol
UDP stands for ______.Unified Data PathwayUnknown Data ProtocolUniversal Data Protocol User Datagram Protocol
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?TransportNetworkData link Application
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)
Transmission Control Protocol (TCP)
What type of cable communicates binary data by changing the voltage between two ranges?GoldCopperSilver Fiber
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?HubSwitchRouter Server
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 Pro
Border Gateway Protocol (BGP)
How many wires are in a standard Category 6 cable?6810 4
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 DuplexHalf DuplexSimplex Partial
Which layer abstracts away the need for any other layers to care about what hardware is in use?TransportData linkNetwork Physical
What does the letter B represent in a Media Access Control (MAC) address?101511 9
What type of transmission will have a zero in a special bit in the destination Media Access Control (MAC) address?UnicastSinglecastMulticast Broadcast
Which layer in the Transmission Control Protocol/Internet Protocol (TCP/IP) model is responsible for delivering data between two nodes?ApplicationNetworkTransport Data link
What is the most common plug used with twisted pair network cables?Registered Jack 46Registered Jack 11Registered Jack 35 Registered Jack 45
What is used to determine when the communications channels are clear and when a device is free to transmit data?EthernetTransmission Control Protocol (TCP)Internet Protocol (IP) Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
Carrier Sense Multiple Access with Collision Detection
When data can flow across a cable in both directions, this is known as _____ communication.ethernetsimplexcross talk duplex
The Ethernet protocol functions at which layer of the Transmission Control Protocol/Internet Protocol (TCP/IP) model?Data linkTransportApplication Physical
What device forwards data and operates at layer three of the Transmission Control Protocol/Internet Protocol (TCP/IP) model?ClientSwitchRouter Hub
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 panelRouterSwitch Hub
What immediately follows the Start Frame Delimiter in an ethernet frame?PayloadDestination Media Access Control (MAC) addressEtherType field Frame Check Sequence
Destination Media Access Control (MAC) address
What layer in the Transmission Control Protocol/Internet Protocol (TCP/IP) model does IP use?TransportNetworkPhysical Data link
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 SequencePayloadPreamble EtherType
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)SubnetCollision domain Local Area Network (LAN)
What process sends ones and zeroes across network cables?ModulationBitsCoding Lines
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) addressThe last octet of a Media Access Control (MAC) address The first octet of a Media Access Contr
The first three octets of a Media Access Control (MAC) address |
A user logs on to a laptop and opens her email. what device will provide emails to the laptop?
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