Networks & Internet concepts
- One advantage of dial up internet access is à it utilizes existing telephone line
- Net work components are connected to the same cable in the bush
- Office LANS that are spread geographically apart on a large scale can be connected using corporate à WAN
- When the pointer is positioned on a Hyperlink, it shaped like a hand.
- A device operating on physical layer is called a àRepeater
- Encryption and decryption are functions of à Session layer
- which type of switching uses the , entire capacity of a dedicated link àdata gram packet switching
- A permanent virtual circuit involves à Data transfer
- The sharing of medium and its path by 2 or more devices is called àMultiplexing
- Which multiplexing technique transmits analog signal àFDM
- 21 protocol consists of à Only physical layer
- Which of the following refers to the small single site network àLAN
- Computers connected to a LAN ( Local Area Network ) can à share information and/ or share peripheral devices
- Information travels between components on the motherboard throughàBUS
- The Hardware device that acts as both a switching and connecting units is called àMultiplexer
- What is the name of logic circuit which can add two binary digits à Half adder
- A collection of related fields in data organization is called àRegister
- The speed at which the monitor accepts data is called à Bandwidth
- A set of rules that computer on a network use to communicate with each other is called àProtocol
- The process of connecting to the internet account is àLOGIN
- The most important or powerful computer in a typical network is à Network server
- What is the example of connectivity àInternet
- Connections to the internet using a phone line and modem are called dial –up
- Personal computers can be connected together to form a à Network
- A word in a web page that, when clicked, opens another document is called à Hyperlink
- A web site address is a unique name that identifies a specific Link on the web.
- The communication device that allow the computer to access a network is called a modem
- Periodically adding, changing and deleting file records is called file àUpdating
- Coded entries which are used to gain access to a computer system is called à Passwords
- The network interface card enables your computer to connect to other computers.
- An example of telecommunication device is a àmodem
- The secret code that restricts entry to some program àPassword
- The vast network of computer that connects millions of people all over the world is calledàInternet
- You must install a Router son network if you want to share broadband internet connection
- A LAN typically connects personal computers with in a very limited geographical area with in a single building.
- A web site consists of one or more web pages located on a web server
- A computer virus is a set of program instructions that can attach itself of a file, reproduce itself and spread to others.
- Networks are monitored by security personnel and supervised by network administrators who set up account and passwords for authorized network users.
- Programs such as internet explorer that serve as navigable windows into the web are calledàweb browsers
- A website ‘s main page is called is its à Home page
- A network shares hardware, software and data among authorized users.
- Which type of resource is most likely to be a shared common resource in a computer network à Internet
- Web servers store and manages files for network users.
- The OSI model is divided into seven processes called layers.
- Servers are computers that provide resources to other computers connected to a à Network
- URL stands for à Uniform Resource Locator
- IT stands for à Information Technology
- A proxy server is used for à To process client request for web pages
- A network is a combination of hardware and software that facilitates the sharing of information between computing devices.
- Modems are devices used to transmit data over telecommunications lines.
- E – mail is à The transmission of message and files via a computer network.
- A web address is a unique name that identifies a specific web site on the web.
- A device that connects to network without the use of cables is said to be à Wireless
- The internet allows us to –
- Send electronic mail
- View web pages
- Connects to servers all around world.
- Most mail programs can automatically complete the following two parts in an E-mail –From and date
- An email address typically consists of user ID followed by the @ sign and the name of the email server that manages the user’s electronic post office box.
- To navigate to a new web page for which you know the URL, type that URL is browser’s Address bar and press enter.
- The process of computer receiving information from a server on the internet is known as à down loading
- When sending an email, the subject line describes the contents of the message.
- A web site address is unique name that identifies a specific link on the web.
- A router allows sharing of a broadband internet connection.
- What is internet explorer à a web browser
- Some of the web browsers are
- Internet explorer
- Mozilla firefox
- Sea monkey
- Google chrome
- Searching is the most popular internet activity
- A hit the term used when a search engine returns a web page that matches the search criteria.
- What are the four things to connect internet.
- Computer
- ISP ( Internet service provider)
- Modem
- Communication software
- A network is composed of several computers to connected together to share resources and data.
- A popular way to learn about computers without ever going to a class room is called à e- learning
- A person who uses his or her expertise to gain access to other people ‘s computers to get information illegally or do damage is a à hacker
- There are several primary categories of procedures. Which of the following is not a primary category of procedures à Firewall development
- Press ALT + D to move the insertion point to the address box, or to highlight the URL in the address box
- A markup language contains text as well as information about the text.
- A central computer that holds collection of data and programs for many PC’s, workstations and other computersà server
- Junk e-mail is also called à spam
- The communication device that allows the computer to access a network is called a network card.
- With dial up access the computers modem uses a standard telephone line to connect to the internet
- A collection computers and devices connected together via communications devices and transmission media is called a à network
- The internet is à a large network of networks
- What is the storage area for email messages is called àa mail box
- The software that allows users to serve the internet is called à Browser
- Advantages of mounting an application on the web
- The possibility of 24 hour access for users.
- Creating system that can extended globally
- Standardizing the design of the interface
- The issues that deal with the collections and use of data about individuals is privacy
- A term related to sending data to a satellite to à uplink
- Online documents containing underlined phrases or icons that a user can click in order to move immediately to related parts of the current document or to other documents with relative information are called à
- Physical security is concerned with protecting computer hardware from human tampering and natural disasters and Cyber security is concerned with the protecting software from unauthorized tampering or damage.
- Unauthorized copying of software to be used for personal gain instead of for personal backups is called à software piracy.
- Junk email is also called à spam
- What are the two parts of an e-mail address à user name and domain name
- Why should you delete unknown email attachments with out opening à it might contain a virus that could hurt your computer
- Which of the following software allows the user to move from page to page on the web by clicking on or selecting a hyperlink or by typing in the address of destination page à web browser
- A device which can be connected to a network without using cable is calledà wireless device
- The pieces of hardware that converts your computer’s digital signal to an analog signal that can travel over telephone lines is called a à modem
- To reload a web page press Refresh button
- The common name for modulator- demodulator is àmodem
- The term “host” with respect to the internet means à a computer that is connected to the internet
- What is the advantage of using basic HTML to create a document à HTML is very easy to use
- What is modem connected to à Phone line
- Which of the following is used by the browser to connect to the location of the internet resourcesàURL
- Most of the web sites have moving graphics called à animations
- DNS stands for à Domain Name System
- File transfer protocol is used for à downloading and uploading files
- Which of the following shows all the web sites and pages that are already visited over a period of timeàHistory list
- Hyperlink in a web document usually appears àUnderlined and colored
- Which of the following allows users to upload files to an online site so that they can be viewed and edited from another location àweb –hosted technology
- Which of the following can be used instead of remembering e-mail addressàAddress book
- ‘.exe’, ‘.html’, ‘.mp3’,’.doc’, etc are examples of à extensions
- Which of the following will be the common file extension for an installation fileà .exe
- Android is an à Mobile operating system
- Which of the slowest internet connection is àdial –up service
- DSL stands for à digital subscriber line
- Example of telecommunication device is àmodem
- The network connected several computers all over the world is àinternet
- Specialized programs that assists users in locating information on the web are calledàsearch engines
- A LAN typically connects personal computers with in a single building à
- A web site consists of one or more web pages located on a web server.
- E-commerce makes it possible for shoppers to make purchase using their computers
- Net works are monitored by security personal and supervised by network administrators who set up accounts and password for authorized network users.
- Programs such as internet explorer that server as navigation window into the web are called àweb browser
- Software piracy this is the act of copying or downloading a program from a network and making multiple copies of it.
- Radio, TV broadcasting comes under simplex transmission mode.
- When sending an email the subject line describes the contents of message.
- Which of the following will be used if a sender of an email wants to bold, italic etc the text message à rich text