Focus Questions Exercise Chapter 12 Name:
Date: Class:


Cisco Exercises - Semester 1 - Networking Fundamentals
Chapter 12 Layer 4: The Transport Layer



What type of numbers are used to keep track of different conversations that
cross the network at the same time?



What is the name of a protocol that combines connectionless and
connection-oriented service?



3. What is the difference between TCP and UDP?



4. What is the field in a TCP segment that ensures correct sequencing of the
arriving data?



5. What are the protocols that use UDP?



6. What range of port numbers is reserved for public applications?



7. What type of a window refers to the fact that the window size is negotiated
dynamically during the TCP session?