DCN - I

Q1: What is the primary purpose of computer networks?

• Gaming

• • B) Sharing resources

• • C) Watching videos

• D) Programming
  

Q2: Which network type is used to connect computers within a single building?

• • MAN

• WAN

• LAN

• VPN

Q3: What device connects multiple devices in a LAN?

• Router

• Hub

• Switch

• Modem

Q 4.Which tool is used for network packet analysis?

• • A) Python

• • B) Wireshark

• • C) Microsoft Excel

• D) Cisco Webex
  

Q5: Which layer of the OSI model is responsible for data encryption?

• • A) Application

• • B) Transport

• • C) Presentation

• D) Network
  

Q6: What is the unit of data at the physical layer?

• • A) Packet

• • B) Frame

• • C) Segment

• D) Bit
  

Q7: Which is a type of twisted pair cable?

• • A) UTP

• • B) FTP

• • C) OTP

• D) RDP
  

Q8: Coaxial cables are commonly used for:

• • A) Electric circuits

• • B) Internet browsing

• • C) Cable TV networks

• • D) Optical transmission

Q9: Fiber optic cables are made of:

• • A) Copper

• • B) Iron

• • C) Glass or plastic

• • D) Aluminum

Q10: Electromagnetic waves are used in:

• • A) Guided transmission

• • B) Unguided transmission

• • C) Mechanical transmission

• D) Wired communication