General Review

Which of the following is NOT a type of network topology?

• Loopback

• Ring
  

• Star
  

• Bus
  

What does the acronym DNS stand for?

• Distributed Node System

• Digital Network Service
  

• Domain Name System
  

• Data Network System
  

What is the primary purpose of a router in a network?

• To encrypt transmitted data

• To store data for retrieval
  

• To forward data packets between networks
  

• To connect devices within a local network
  

Which protocol is used to send emails?

• SNMP

• SMTP
  

• FTP
  

• HTTP
  

Which layer of the OSI model is responsible for end-to-end communication and error checking?

• Physical Layer

• Data Link Layer
  

• Network Layer
  

• Transport Layer
  

Which protocol is used for secure web communication using encryption?

• SMTP

• FTP
  

• HTTPS
  

• HTTP
  

What layer of the OSI model does the IP protocol operate on?

• Session Layer

• Network Layer
  

• Transport Layer
  

• Data Link Layer
  

Which protocol provides reliable data transfer and ensures data is delivered in order?

• ARP

• ICMP
  

• TCP
  

• UDP
  

The OSI model has seven layers.

• True

• False

The Transport Layer handles packet routing and forwarding.

• True

• False