Welcome to your Grade 9 Infrormation Technology chapter 2
After carefully reading the following 30 questions, choose the correct answer.
1.
Which copper cable uses electrical signals to transmit messages for up to 100 meters?
2.
What medium uses light to transmit signals at faster speeds and over longer distances?
3.
What is another term for a wired medium in networking?
4.
Which organization in Ethiopia provides reliable information about cyber security attacks?
5.
Which of the following is an example of a hardware resource that can be shared over a network?
6.
What can travel over a network and infect many computers simultaneously?
7.
Which type of medium is a microwave?
8.
What are the rules that govern communication on a network called?
9.
What is the term for a network arrangement or layout?
10.
Which of these is a disadvantage of computer networks?
11.
Which entity hosts and provides networked resources?
12.
What is a common example of a network service provider in Ethiopia?
13.
Which tool can be used for network mapping?
14.
What is an example of a cyber security attack mentioned in the text?
15.
Which network topology is mentioned as an example in the review matching section?
16.
What connects end devices in a wired network?
17.
What is the primary purpose of a computer network?
18.
Which medium is considered "unguided"?
19.
What type of signal does UTP cable use to transmit messages?
20.
Which of the following is categorized as a guided medium?
21.
What is the maximum distance for message transmission using UTP cable?
22.
Cyberbullying is an example of what?
23.
Which of these is a benefit of networking?
24.
What is the definition of a network?
25.
Which medium transmits signals as pulses of light?
26.
Which of these is NOT a criteria for categorizing networks?
27.
What type of network covers a large city?
28.
Which network spans a country or continent?
29.
What is the smallest type of network?
30.
What does ISP stand for?