Informatik - Test 1
Networks/Duties 1,2,3 + Internet&Law - Questions of the Presentations
Networks/Duties 1,2,3 + Internet&Law - Questions of the Presentations
Set of flashcards Details
| Flashcards | 28 |
|---|---|
| Language | English |
| Category | Computer Science |
| Level | Primary School |
| Created / Updated | 09.11.2013 / 13.12.2013 |
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what is a domain?
a combination of numbers that is assigend to a web-address name, e.g. 8908390824 or www.orf.at
What is domaingrabbing?
if a person buys the domain of a company’s name before the company does and then tries to sell it at a very high price
define the term creation.
intellectual achievement that is special in a way (film, music, literature…)
Define the term creator.
person who created a creation, only a natural person
1) Is there a case when you are allowed to distribute intellectual property?
yes, if the creator gave you the permission to use and distribute his creation
1) What is sensible data?
“schutzwürdige Daten”, information about health, sexuality, political opinion, ethnicity, religion…
1) Was sagt das Linkrecht?
Laut E-Commerce Gesetz ist Betreiber einer Website für den Inhalt eines Links nicht verantwortlich sofern: - er von der rechtswidrigen Tätigkeit keine Kenntnis hat - sobald er von dem strafbaren Inhalt weiß, den Link unverzüglich entfernt
1. List 2 risks of networking.
viruses, loss of data
what is ethernet?
way of connecting computers in a LAN
what does MAC address mean?
Media Access Control Address
What's a patch panel?
a. Connection element of the cable
1. List the 4 types of networks.
a. Local Area Network b. Metropolitan Area Network c. Wide Area Network d. Global Area Network
1. What does a computer use to connect with (several other) computers?
cables, radio
1. Nenne die 4 möglichen Layouts eines Netzwerkes.
a. Stern-Topologie b. Bus-Topologie c. Ring-Topologie d. Misch-Topologie
1) When was the internet invented? And what is “bench processing”?
1957; a computer only can work on one task at the same time
1) What do the bandwidth and download volume tell you?
Bandwidth: amount of data which is downloaded within a second (e.g. 182 bits/s) Download volume: amount of data you can up or download from the internet in a certain period of time (usually 1 month; e.g. 1 GB/month)
1) Which function does the modem in a public switched telephone network (analoges Telefonfestnetz) have?
• Umwandlung der digitalen Signale in analoge Telefonsignale • Sendung an die Telefonleitung • Digitalisierung der analogen Signale • Weiterleitung an den Rechner
1) List one advantage and one disadvantage of WLAN!
+ No cables therefore no limitation - Internet is not as fast as with regular LAN
1) Are emails secure in private? Why/Why not?
No. They are like opened post cards which can potentially be read along the way
1) What is the difference between “Internet” and “WWW"?
WWW is one of the services of the internet, therefore it is a part of it.
1) Which different parts of the World Wide Web do exist?
• Webserver • Webseiten • Browsersoftware
1.) Name 2 advantages and 2 disadvantages of WLAN
Advantages: no cables, no need to build up anything, no fixed location - mobility, more flexibility Disadvantages: slower, easy to bug if not coded, more liable to break down, possible health risks
1.) Was sind MAC-Adressen?
12-stellige Kennungen auf Netzwerkkarten, einfachste Maßnahme um fremde Hosts auszusperren
1.) Wofür stehen die Abkürzungen WEP, WPA und WPA2 ?
WEP =Wired Equivalent Privacy WPA = Wifi Protected Access WPA2 = Wifi Protected Access 2
1.) Why does every network card need its own IP-address?
The IP-address is used to differentiate and identify the hosts.
1.) Was ist ein Vorteil der dynamischen Adressierung?
Die IP-Adresse muss nicht manuell eingetragen werden. Wenn ein Gerät nicht in Betrieb ist, wird keine IP-Adresse belegt. Das heißt, man braucht für viele Stationen nur wenige Adressen.
1.) Wofür wird Ping verwendet?
Überprüfung von Netzwerkfunktionalität eines Hosts und der Verbindung zwischen 2 Hosts.
1.) Was kann mit Traceroute kontrolliert werden?
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