Week 1 - Networking Basics

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

Data link

The most common data link layer protocol for wired connections is _____. Ethernet BGP TCP UDP

Ethernet

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

Half Duplex

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

Media Access Control (MAC) address

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

The last byte of the preamble

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) User Datagram Protocol (UDP)

UDP stands for ______. Unified Data Pathway Unknown Data Protocol Universal Data Protocol User Datagram Protocol

User Datagram Protocol

The transmission method that sends data to every device on a LAN is known as a _____ transmission. broadcast unicast multicast simulcast

broadcast

Something that requests data from a server is known as a ____. switch router server client

client

What is the fifth layer of the Transmission Control Protocol/Internet Protocol (TCP/IP) model? Transport Data link Application Network

Application

What type of cable communicates binary data by changing the voltage between two ranges? Gold Copper Silver Fiber

Copper

What will allow you to form point-to-point networking connections? Router Cables Switch Hub

Cables

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

Hub

The number system that has 16 numerals is known as _____. binary octal hexadecimal decimal

hexadecimal

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)

Border Gateway Protocol (BGP)

The Ethernet protocol functions at which layer of the Transmission Control Protocol/Internet Protocol (TCP/IP) model? Data link Transport Application Physical

Data link

What immediately follows the Start Frame Delimiter in an ethernet frame? Payload Destination Media Access Control (MAC) address EtherType field Frame Check Sequence

Destination Media Access Control (MAC) address

What section in an ethernet frame will you find a Virtual Local Area Network (VLAN) header? Frame Check Sequence EtherType field PayloadPreamble

EtherType field

What process sends ones and zeroes across network cables? Modulation Bits Coding Lines

Modulation

What layer in the Transmission Control Protocol/Internet Protocol (TCP/IP) model does IP use? Transport Network Physical Data link

Network

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

Network

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

Patch panel

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

Physical

What is the most common plug used with twisted pair network cables? Registered Jack 46 Registered Jack 11 Registered Jack 35 Registered Jack 45

Registered Jack 45

What device forwards data and operates at layer three of the Transmission Control Protocol/Internet Protocol (TCP/IP) model?Client Switch Router Hub

Router

A user logs on to a laptop and opens her email. What device will provide emails to the laptop? Server Hub Switch Router

Server

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

Simplex

Select the device that will have the most network ports. Server Desktop Laptop Switch

Switch

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

The first three octets of a Media Access Control (MAC) address

When data can flow across a cable in both directions, this is known as _____ communication. ethernet simplex cross talk duplex

duplex

What does the letter B represent in a Media Access Control (MAC) address? 10 15 11 9

11

How many wires are in a standard Category 6 cable? 6 8 10 4

8

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)

Carrier Sense Multiple Access with Collision Detection

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)

Collision domain

A network segment where only one device can communicate at a time is known as a _____. cross talk protocol collision domain modulation

collision domain

When an electrical pulse on one wire is accidentally detected on another nearby wire, this is known as _____. duplex communication preamble cross talk multicast

cross talk

The first part of an Ethernet frame is known as the _____. frame check sequence data packet preamble MAC address

preamble

A device that knows how to forward traffic between independent networks is known as a _____. router switch hub node

router

A device that connects lots of devices and remembers which ones are connected to each interface is known as a _____. hub switch router server

switch

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

Payload

A defined set of standards that computers must follow in order to communicate properly is known as a _____. switch collision domain modulation protocol

protocol

Which layer abstracts away the need for any other layers to care about what hardware is in use? Physical Transport Network Data link

Data link

Which layer abstracts away the need for any other layers to care about what hardware is in use? Transport Data link Network Physical

Data link

TCP stands for ______. Transmission Control Protocol Tapioca Coconut Pudding Translational Carrier Pathway Topical Control Pathogen

Transmission Control Protocol

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

Transport

What type of transmission will have a zero in a special bit in the destination Media Access Control (MAC) address? Unicast Singlecast Multicast Broadcast

Unicast

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

VLAN