Module 2: Network Components, Types, and Connections

What is a service that provides an internet data signal on the same network that delivers broadcast television and phone service? A) Cable internet B) Guest access C) Cellular data plans D) Digital Subscriber Line (DSL)

A) Cable internet

A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used? A) DSL B) Dial-up C) Satellite D) Cell modem E) Cable modem

A) DSL

What is a characteristic of a peer-to-peer application? A) Each device using the application provides a user interface and runs a background service. B) Each device can act both as a client and a server, but not simultaneously. C) The resources required for the application are centralized. D) One device is designated a server and one device is designated a client for all communications and services.

A) Each device using the application provides a user interface and runs a background service.

What are two functions of end devices on a network? (Choose two.) A) They originate the data that flows through the network. B) They direct data over alternate paths in the event of link failures. C) They filter the flow of data to enhance security. done D) They are the interface between humans and the communication network. E) They provide the channel over which the network message travels.

A) They originate the data that flows through the network. D) They are the interface between humans and the communication network.

Which device is an intermediary device? A) firewall B) PC C) server D) smart device

A) firewall

When a host initiates communication, it uses the ____ of the destination host to specify where the message should be sent

Address

What is an internet service that uses mobile phone networks to transmit data? A) Guest access B) Cellular data plan C) Cable internet D) Digital Subscriber Line (DSL)

B) Cellular data plan

PQ: What type of network is defined by two computers that can both send and receive requests for resources? A) client/server B) peer-to-peer C) enterprise D) campus

B) peer-to-peer

Which scenario describes a peer-to-peer network? A) Users access shared files from a file server. B) A user visits a webpage on the company web site. C) A user has shared a printer attached to the workstation. D) Users print documents from a network printer that has a built-in NIC.

C) A user has shared a printer attached to the workstation.

What is an advantage of the peer-to-peer network model? A) scalability B) high level of security C) ease of setup D) centralized administration

C) ease of setup

Which term correctly describes the function of an ISP? A) responsible for managing local networks B) responsible for the maintenance of SOHO networks C) responsible for providing the link between a private network and the internet D) responsible for providing security on private networks

C) responsible for providing the link between a private network and the internet

What type of internet connection would be best for a residence in a remote area without mobile phone coverage or wired connectivity? A) dial-up B) cellular C) satellite D) DSL

C) satellite

Which term is used to describe a network device with the primary function of providing information to other devices? A) workstation B) console C) server D) client

C) server

ISP as the local cable provider

Cable internet

ISP as the cellular network that provides your smartphone service

Cellular Data Plan

Outside of fiber-optic cables, what are some other ISP connectivity options :

Cellular, Satellite and Dial-up Telephone

What is a service that provides high bandwidth, always on, connection using existing land-line telephone wires? A) Cellular data plan B) Cable internet C) Guest access D) Digital Subscriber Line (DSL)

D) Digital Subscriber Line (DSL)

Marjani lives on a farm several kilometers outside of Msolwa, Tanzania. Which of the following end devices is she most likely to use to connect to the internet? (Choose two.) A) wireless router B) network printer C) smartphone D) wireless tablet E) telepresence endpoint

D) wireless tablet and C) smartphone

ISP as the landline telephone service provider

Digital Subscriber Line (DSL)

Rosalía works as a community health worker in Rio Claro, Brazil. Most of her time is spent making home visits to provide primary care to people in her community. However, she requires internet access to maintain her patient records and provide videoconferencing with a doctor, when needed. What end device and media type does Rosalía most likely use? (Choose two.) A) router B) LAN media C) WAN media D) desktop computer E) tablet F) wireless media

E) tablet F) wireless media

Eilert recently got a job with a computer support services company in his hometown of Falun, Sweden. A customer has asked for someone to come connect their home network to the internet. They only have a cable modem. Which of the following intermediary devices would Eilert most likely take with him to the job? A) LAN switch B) desktop computer C) firewall appliance D) multilayer switch E) wireless router

E) wireless router

These devices form the interface between users and the underlying communication network

End devices

The primary medium that connects the internet backbone is

Fiber-Optic Cables

Network Infrastructure you can see is known as

Hardware/Wired

____ are critical to communications across the global internet

ISP

An _____ provides the link between the home network and the internet.

Internet Service Provider (ISP)

For a home network: _____ provides a direct connection between a computer and the ISP.

Modem

____ the platform that supports the network.

Network Infrastructure

provides the stable and reliable channel over which our communications can occur

Network Infrastructure

___ is required to securely connect a computer to an ISP.

Router

provides client IP addressing information and security for inside hosts.

Router

Examples of Intermediate Devices on a Network

Routers, Switches, Firewalls, Service Provider Switch

ISPs are connected in a hierarchical manner that ensures that internet traffic generally takes the _____from the source to the destination.

Shortest path

This option should not be used though, because your computer is not protected on the internet.

What is A MODEM

Network Infrastructure you can not see is known as

Wiresless

In order to uniquely identify hosts_____ are used

addresses

The choice of ISP connection varies depending on

geographical location and service provider availability.

A hierarchial manner for network topologies to have

shortest path taken

An end device (or host) is either the ______ transmitted over the network.

source or destination of a message transmitted over the network

The network infrastructure contains three categories of hardware components

1) End Devices 2) Intermediate Devices 3) Network Media