Bài quiz 4

1. Different computers are connected to a LAN by a cable and ______

• Modem

  
  

• Interface card

  
  

• Telephone lines

• Special wires

1. A device which can be connected to a network without using cable is called

• Centralized device

  
  

• Open-source device

  
  

• Distributed device

  
  

• Wireless device

  
  

1. The vast network of computers that connects millions of people all over the world is called

• LAN

  
  

• Hypernet

  
  

• Internet

  
  

• Intranet

  
  

Each IP packet must contain

• Either source or destination IP address

  
  

• Only destination IP address

  
  

• Both source and destination IP addresses

  
  

• Only source IP address

  
  

1. Which of this is not a network edge device?

• Switch

  
  

• PC

  
  

• Mobile phone

  
  

• Laptop

  
  

Which is the feature of optical fiber link

• Very hard to tap

  
  

• Immune electromagnetic interference

  
  

• Very less signal attenuation

  
  

• All of the mentioned

  
  

1. Which of the following are transport layer protocols used in networking?

• TCP and UDP

  
  

• TCP and FTP

  
  

• HTTP and FTP

  
  

• UDP and HTTP

  
  

1. The number of layers in OSI reference model is ____

• 5

• 6

• 7

• 8

_____ allows you to connect and login to a remote computer

• HTTP

  
  

• Telnet

• SMTP

• UDP

In IPv4, classful addressing is replaced with ______

• Classless Addressing

  
  

• Classful Advertising

  
  

• Classful Addressing

  
  

• Classless Addressing