Computer LIFEPAC Unit 9 Questions and Answers ch 1-2
What is a multi-user computer
A computer that is used by more than one employee.
These strategies are often used to protect networks from internal threats
Access privileges, login required to access network, Passwords must be changed regularly.
Users unable to open files that are not relevant to their jobs, Users can open view files, but are unable to edit them, Users can open, view, and edit files. These points describe?
Access privileges.
These tools protect networks from external threats
Antivirus, firewall
A ____ is the smallest amount of data stored in a computer.
Bit
This device is used to connect sections of large networks
Bridge
This device directs network traffic
Bridge, router, switch.
A ____ connection provides fast Internet service and the ability to exchange large files
Broadband
Difficult to troubleshoot, Limited expansion capability - these disadvantages describe this topology.
Bus
In which type of network will a problem with one computer crash the network?
Bus, Ring.
The backbone connects the nodes in this type of network.
Bus.
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.
File server
Central location for network documents
Which statements describe a client-based network
Centralized network security, scalable, users must log on to network.
This network model can be a LAN and a WAN
Client-server
What is the job of the network administrator
Configure the network, Control network usage, Maintain the network.
Needs assessments conducted by businesses are generally done to determine why worker productivity has increased.
False
Which of the items below are nodes.
Fax, Printer, Workstation
Computer networks enable the sharing of _____
Files hardware software.
This device transmits data to all the workstations on a network.
Hub
What are the advantages to star topology
It is easy to troubleshoot problems, Nodes can be added without disrupting the network, The malfunctioning of one workstation doesn't crash the network.
Why did Madison recommend a server-based network for SEAT
It is simpler to expand, it provides centralized access to resources, it provides more security.
ABC enterprises had three employees who work in the same building. The type of network they need is a
LAN
This type of network may not be connected to other networks.
LAN
Application server
Makes software upgrades easier
Communications server
Manages e-mail programs
In this type of network, data is certain to reach its destination
Mesh
This topology will require the most cabling to connect its five computers and two peripherals the scanner and the fax.
Mesh
This device connects individual workstations to the network.
NIC
This is used to manage the network and to provide security for it
NOS
This job title is used to describe someone who determines the network needs of a business.
Network consultant, network designer, network engineer.
The device that connects computers to network connectors is called a _____
Network interface card
NOS stand for
Network operating system.
These are the two main factors that determine the choice of a network model.
Number of users in the network, Services provided by the network.
Which statement describes a peer-to-peer network
Passwords required to access resources, Relatively low cost, Resources available from different workstations.
A printer is a type of ____
Peripheral
What benefits 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
All the computers in this type of network are connected to two other computers.
Ring
There is no danger of data collision with this topology
Ring
This device is used to connect different networks
Router
A ___ is a central computer that enables authorized users to access networked resources.
Server
A ____ is a fast computer with lots of storage
Server
This device manages network resources.
Server
Network problems are most easily identified in ____ topologies.
Star
Nodes in this type of network are connected to a central hub.
Star
When determining the type of network a business needs network designers should talk to ___
The Boss, the employees.
What is the main difference between a LAN and a WAN
The distance they span.
These factors are common considerations when designing a network
The number of employees using each computer, The number of networked computers, The type of work done at networked computers, The way business documents are shared.
Microwave transmits information between network nodes using.
Towers, satellite.
Some peer-to-peer networks have a server and some don't
True
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
Computer networks can consist of as few as ___ computers.
Two
The employees of XYZ Corporation frequently telecommute and connect to their network from remote locations. This capability is called.
VPN
What do the letters VPN stand for
Virtual private network
Put the networks in order of biggest to smallest.
WAN, MAN, LAN.
Speed and security are advantages generally associated with ____ networks.
Wired.
Wired networks are connected using _____
cables.
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
The largest network in the world is
the Internet.
