| 61 |
Which device converts digital signals into analog signals and back? |
Computer Science/Informatics Practices
Network devices |
Easy |
| 62 |
Which device regenerates a weak signal so that it can travel further? |
Computer Science/Informatics Practices
Network devices |
Easy |
| 63 |
Which device sends incoming data only to the port of the intended computer instead of to all ports? |
Computer Science/Informatics Practices
Network devices |
Medium |
| 64 |
A school wants to connect its computer lab LAN to the Internet and forward packets between the two networks. … |
Computer Science/Informatics Practices
Network devices |
Medium |
| 65 |
Two networks that use entirely different communication protocols must exchange data. Which device performs th… |
Computer Science/Informatics Practices
Network devices |
Hard |
| 66 |
In which topology are all nodes connected to a single central hub or switch? |
Computer Science/Informatics Practices
Network topologies |
Easy |
| 67 |
Which topology uses a single backbone cable with terminators at both ends? |
Computer Science/Informatics Practices
Network topologies |
Easy |
| 68 |
How many links are needed to connect 6 computers in a fully connected mesh topology? |
Computer Science/Informatics Practices
Network topologies |
Medium |
| 69 |
In a star network, the cable connecting one computer to the switch breaks. What is the effect? |
Computer Science/Informatics Practices
Network topologies |
Medium |
| 70 |
A bank needs a network in which data can still reach its destination even if several links fail, and cost is … |
Computer Science/Informatics Practices
Network topologies |
Hard |
| 71 |
How many bits are there in an IPv4 address? |
Computer Science/Informatics Practices
Addressing and the web |
Easy |
| 72 |
Which system translates a domain name such as www.example.org into an IP address? |
Computer Science/Informatics Practices
Addressing and the web |
Easy |
| 73 |
Which of the following is a valid IPv4 address? |
Computer Science/Informatics Practices
Addressing and the web |
Medium |
| 74 |
Which statement best describes the difference between the Internet and the World Wide Web? |
Computer Science/Informatics Practices
Addressing and the web |
Medium |
| 75 |
A laptop moves from the school Wi-Fi to a home Wi-Fi network. Which statement is most likely true? |
Computer Science/Informatics Practices
Addressing and the web |
Hard |
| 76 |
In the URL https://www.school.edu.in/admission/form.html, what is "www.school.edu.in"? |
Computer Science/Informatics Practices
Internet applications and websites |
Easy |
| 77 |
Which Internet application carries voice calls as data packets over the Internet? |
Computer Science/Informatics Practices
Internet applications and websites |
Easy |
| 78 |
A results website shows each student only their own marks after they enter their roll number. What type of we… |
Computer Science/Informatics Practices
Internet applications and websites |
Medium |
| 79 |
What is web hosting? |
Computer Science/Informatics Practices
Internet applications and websites |
Medium |
| 80 |
Riya sends an email to Arun with Meena in BCC. Which statement is true? |
Computer Science/Informatics Practices
Internet applications and websites |
Hard |