Computer Science Systems & Networking

Question 1

What is the primary function of an operating system?

Accepted Answer

To manage hardware and software resources

Answer

To directly execute machine code

Answer

To serve as an antivirus

Answer

To provide power to the system

Question 2

Which network topology connects all devices to a central hub?

Accepted Answer

Star topology

Answer

Bus topology

Answer

Ring topology

Answer

Mesh topology

Question 3

Which protocol is commonly used for secure communication over the internet?

Accepted Answer

HTTPS

Answer

HTTP

Answer

FTP

Answer

SMTP

Question 4

What does DHCP stand for, and what is its purpose?

Accepted Answer

Dynamic Host Configuration Protocol

Answer

Domain Host Configuration Protocol

Answer

Data Handling and Communication Protocol

Answer

Distributed Hypertext Communication Protocol

Question 5

Which layer of the OSI model is responsible for routing and forwarding data?

Accepted Answer

Network layer

Answer

Physical layer

Answer

Transport layer

Answer

Data link layer

Question 6

What is the purpose of a firewall in network security?

Accepted Answer

To manage network traffic and block threats

Answer

To increase internet speed

Answer

To replace antivirus software

Answer

To store backup data