Computer LIFEPAC U9 Ch 1 - 2

Pu the networks below in order according to the geographic distance they cover.

1: WAN 2: MAN 3: LAN

Computer Networks can consist of as few as ___ computers.

2

A _____ is the smallest amount of data stored in a computer.

Bit

Difficult to troubleshoot, Limited expansion capability These disadvantages describe this topology

Bus

Which statements describe a client - based network?

Centralized network security, Scalable, Users must log on to network.

This network model can be a LAN or a WAN

Client - Server

What is the job of the network administrator.

Configure the network, control network usage, file resources on the network server.

Which of the items below are nodes?

Fax, printer, workstation.

Computer networks enable the sharing of ___

Files hardware software

Businesses use this to keep some data private while making other data available to Internet users

Firewall

This device translates data passing between networks.

Gateway

Isabel and Jared work for the same company but in a different departments. Their workstations are both part of the company's computer network. Over lunch, Isabel was discussing an application that she was having a problem with. Jared was familiar with the software even though he didn't use it on the job. Jared offered to help Isabel and they went to his desk to open the program. Jared couldn't open it. The reason Jared couldn't open the program was probably because ____

He had not been given access privileges by the network administrator.

This device transmits data to all the workstations on a network.

Hub

Application server

Makes software updates easier.

Communications Server

Manages e-mail programs.

This device connects individual workstations to the network

NIC

This is used to manage the network and to provide security for it.

NOS

The devices that connects computers to network connectors is called a _____

Network interface card.

NOS stands for

Network operating system

A printer is a type of ____

Peripheral

What benefit do internal networked e-mail systems provide over Internet-based systems.

Provides increased security.

Print server

Puts documents in a queue.

This device is used to amplify network signals

Repeater

There is no danger of data collision with this topology

Ring

Network problems are most easily identified in ____ topologies.

Star

Nodes in this type of network are connected to a central hub.

Star

The largest network in the world is __

The Internet

What is the main difference between a LAN and a WAN

The distance they span.

Microwave transmits information between network nodes using ______

Towers, satellite.

Some peer-to-peer networks have a server and some don't

True

The Texas Department of Education has offices throughout the state covering more than 68,000 square miles. State documents are stored on a large server ion a central location, so that employees can access the data they need regardless of their physical location. This type of network used by the organization is most likely a ______

WAN

Speed and security are advantages generally associated with ____ networks.

Wired.

This device is used to connect sections of large networks

Bridge

This device directs network traffic

Bridge, router switch

The backbone connects the nodes in this type of network.

Bus

In which type of network will a problem with one computer crash the network.

Bus, ring.

In what ways does a computer network make setting appointments easier?

By providing a common calender, By sending electronic reminders, By sending out invitations.

How do networks help protect data

By scheduling regular backups.

Wired networks are connected using ______

Cables

File server

Central location for network documents.

What are advantages to star topology

It is easy to troubleshoot problems, Nodes can be added without disrupting the network, The malfunction of one workstation doesn't crash the network.

This type of network may not be connected to other networks.

LAN

Miguel owns a tile business. He has two employees who work in a small office. One answers phones and schedules appointments. Another handles the bookkeeper - billing payroll, ect. These employees use the same printer and fax machine. Frequently they need to access and update the company database. Miguel realized that networking the office would increase the productivity of his business. What type of network will best meet the needs of Miguel business.

LAn

In this type of network, data is certain to reach its destination.

Mesh

Meredith's repair business has two offices - one one the east side of town and one on the west side. An employee may work out of one office one one day and the other office on the next, based on the workload on a given day. For this reason, Meredith found it useful to set up a network to connect both offices. The company's important files are stored on a server so that employees can access the information they need from either location. The type of network Meredith's business is most likely using is a __

MAN

This topology will require the most cabling to connect its five computers and two peripherals- the scanner and the fax.

Mesh

These are the two main factors that determine the choice of a network model

Number of users in the network, Services provides by the network.

Which statements describe a peer-to-peer network.

Passwords required to access resources, relatively low cost, Resources available from different workstations.

ABC Enterprises is looking for an inexpensive network solution for its small business. All three employees work in the same office. They are a true workgroup. They frequently collaborate on projects and need an efficient method to exchange information. They often use the Internet in their jobs and all need access to the office printer. The network solution that will work best for ABC Enterprises is ___

Peer-to-peer

All the computers in this type of network are connected to two other computers

Ring

This device is used to connect different networks

Router

A ____ is a fast computer with lots of storage

Server

A _____ is a central computer that enables authorized users to access networked resources.

Server

This device manages network resources

Server

With remote access network tools, Raul in Colombia can enter data into a spread sheet. Olivia in England can access the spreadsheet a few minutes later and use Raul's data in her report.

True