Y9CTLayersVideoQuiz

What is the primary purpose of the OSI model?

• To serve as an educational framework

• To provide a real-world networking solution

• To replace the TCP/IP model

• To increase internet speed

How many layers are there in the OSI model?

• Seven

• Three

• Ten

• Five

Which layer of the OSI model is responsible for transmitting raw bits of data across a physical connection?

• Transport Layer

• Physical Layer

• Network Layer

• Data Link Layer

What does TCP provide in the transport layer?

• Organization of data into frames

• Fast and unreliable communication

• Reliable, end-to-end communication

• Data routing across different networks

Which protocol is known for being simpler and faster but less reliable than TCP?

• IP

• UDP

• Ethernet

• HTTP

In which layer does the IP part of TCP/IP primarily operate?

• Application Layer

• Session Layer

• Network Layer

• Transport Layer

What is added to the data at the application layer when sending an HTTP request?

• A MAC header

• An IP header

• A TCP header

• An HTTP header

What does a MAC header contain?

• The source and destination MAC addresses

• The sequence number of the data segment

• The source port and destination port

• The source and destination IP addresses

What is the role of an L7 load balancer?

• To transmit raw bits of data across a physical connection

• To operate at the TCP level

• To route data frames across different networks

• To operate at the application protocol layer like HTTP or HTTPS

Which of the following is NOT a function of TCP?

• Dividing data into small segments

• Sending each segment individually

• Sending packets without checking for errors

• Using sequence numbers for reassembling data