Network Basics
3 months ago
linda_35660
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  • Question 1
    60 seconds
    Q.

    A computer network is a system of:

    answer choices

    two or more computing devices connected to one another

    Data transfer and information storage

    Sharing devices like scanners

    A whole lot of individual machines working on their own

  • Question 2
    60 seconds
    Q.

    Select 3 reasons for using a network

    answer choices

    Increased security - user access to the network is controlled

    Data transfer can be controlled

    Sharing resources and devices

    Centralisation of data

  • Question 3
    60 seconds
    Q.

    A WLAN covers the same area as a LAN but connects computing devices within a network wirelessly.

    answer choices

    true

    false

  • Question 4
    60 seconds
    Q.

    Select 3 instances where a WLAN is better than a LAN

    answer choices

    Much more expensive to install than a LAN.

    Mobile devices can be moved and stay connected all the time.

    Connecting new devices to your network is easier.

    Wireless connections are more stable than wired connections

    Cables (that are sometimes difficult to install) are kept to a minimum.

  • Question 5
    60 seconds
    Q.

    Hardware needed to connect to a computer to the internet is:

    answer choices

    NIC

    Internet Explorer

    Communication medium (CAT5 Cabling)

    WAP

    Servers

  • Question 6
    60 seconds
    Q.

    Communication medium transfers data and information between computing devices in a network. Communication media include:

    answer choices

    Wi-Fi

    coaxial cable

    UTP

    Fibre Optic

    Routers

  • Question 7
    60 seconds
    Q.

    Fibre optic cables consist of very fine strands of glass or plastic fibre; transmitting data via

    answer choices

    magnetic pulses

    light pulses

    electricity

  • Question 8
    60 seconds
    Q.

    Which one of the following terms refer to the most popular LAN technology

    answer choices

    Ethernet

    WAN

    Internet

    Intranet

  • Question 9
    60 seconds
    Q.

    The computers in Peter's office building are linked so that staff can share files and printers. This type of network is known as .

    answer choices

    WAN

    GAN

    PAN

    LAN

  • Question 10
    60 seconds
    Q.

    Which one of the following terms with regard to a WAN is FALSE?

    answer choices

    Most organisations depend on service providers because of their WANs.

    It is based on the principle of ADSL.

    It is a network within a wider geographical area.

    At a university a LAN can for example also use the services of a WAN.

  • Question 11
    60 seconds
    Q.

    Which one of the following statements with regard to Bluetooth is FALSE?

    answer choices

    Files can be transferred between cellphones with this facility.

    One Bluetooth device will automatically detect another Bluetooth device in the neighbourhood.

    Devices that are between 5 m and 60 m apart can connect.

    It uses radio technology.

  • Question 12
    60 seconds
    Q.

    The term 'bandwidth' refers to .

    answer choices

    the amount of data that can be downloaded via radio waves

    the maximum amount of data that can be transferred at any time via an Internet connection

    the number of minutes you use while online

    the method you use to connect to the Internet

  • Question 13
    60 seconds
    Q.

    Which one of the following is a typical example of a web address?

    answer choices

    http:telko@info.uk

    alex@intellect.co.za

    http://www.eaglewood.co.za

    C:/computers.za

  • Question 14
    60 seconds
    Q.

    Which one of the following e-mail addresses is an example of someone's address who works at an academic/educational institution in Australia?

    answer choices

    pwebb@travel.ac.uk

    www.academic.au

    wpalm@teach.gov.za

    mcrown@sydney.edu.au

  • Question 15
    60 seconds
    Q.

    Which one of the following statements is a good guideline for netiquette?

    answer choices

    Type an e-mail message in capital letters.

    Often send chain letters to all your e-mail friends.

    Create an e-mail message that is distinct, unambiguous and without spelling errors.

    Send some of your personal messages to favourite members of a newsgroup.

  • Question 16
    60 seconds
    Q.

    Which one of the following terms refer to wireless radio communication?

    answer choices

    Bluetooth

    Bandwidth

    GPS

    Ethernet

  • Question 17
    60 seconds
    Q.

    Which one of the following statements on digital communication and social networks is FALSE?

    answer choices

    The Internet offers a variety of methods and tools for people to communicate socially and professionally with each other to create online communities.

    An advantage of IM (Instant Messaging) is that people can communicate with each other in real time and by means of their keyboards.

    Disadvantages in the use of online communication methods are, amongst others, identity theft, spreading of viruses, spam, fraud, etc.

    LinkedIn and Facebook are both social networking websites with the same aims and features.

  • Question 18
    60 seconds
    Q.

    Which one of the following statements on digital communication refers to video conferencing?

    answer choices

    Voice data is transferred in data packets and you therefore use the Internet as a 'telephone'.

    You type a message on your screen and your friend can read it immediately in real time on his screen.

    Audio and video data are transferred from one venue to another via the Internet and appear on the monitor of the receiver so that communication can take place.

    You use a wireless device and send a short message of a maximum of 160 characters to another mobile phone or computer.

  • Question 19
    60 seconds
    Q.

    Which one of the following names/examples does not directly refer to digital communication?

    answer choices

    CoolTalk

    ECG (electrocardiogram)

    LinkedIn

    Twitter

  • Question 20
    60 seconds
    Q.

    Which one of the following statements referring to mobile Internet access is FALSE?

    answer choices

    A 3G/4G network is a high speed data network used by suppliers of mobile cellphones for broadband services and Internet connection.

    A USB modem or Internet dongle is a device with which you can connect to a 3G/4G network to access the Internet.

    3G stands for Third Generation and 4G for Fourth Generation.

    A USB modem looks like a flash disk and operates without a SIM card.

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