CCNA 1 – MODULE 3 QUIZ | COMPLETE PRACTICE QUESTIONS, ANSWERS &
STUDY GUIDE 2026/2027
What is the process of converting information into the proper form for
transmission? - ANS ✔✔Encoding
Which step of the communication process is concerned with properly identifying
the address of the sender and receiver? - ANS ✔✔Formatting
Which three are components of message timing? (Choose three.) - ANS ✔✔Flow
control, Access method, Response timeout
Which delivery method is used to transmit information to one or more end
devices, but not all devices on the network? - ANS ✔✔multicast
BGP and OSPF are examples of which type of protocol? - ANS ✔✔Routing
Which two protocols are service discovery protocols? (Choose two.) - ANS
✔✔DNS, DHCP
What is the purpose of the sequencing function in network communication? - ANS
✔✔to uniquely label transmitted segments of data for proper reassembly by the
receiver
This protocol is responsible for guaranteeing the reliable delivery of information. -
ANS ✔✔TCP
UDP and TCP belong to which layer of the TCP/IP protocol? - ANS ✔✔transport
Which two protocols belong in the TCP/IP model application layer? - ANS ✔✔DNS,
DHCP
Which protocol operates at the network access layer of the TCP/IP model? - ANS
✔✔Ethernet
STUDY GUIDE 2026/2027
What is the process of converting information into the proper form for
transmission? - ANS ✔✔Encoding
Which step of the communication process is concerned with properly identifying
the address of the sender and receiver? - ANS ✔✔Formatting
Which three are components of message timing? (Choose three.) - ANS ✔✔Flow
control, Access method, Response timeout
Which delivery method is used to transmit information to one or more end
devices, but not all devices on the network? - ANS ✔✔multicast
BGP and OSPF are examples of which type of protocol? - ANS ✔✔Routing
Which two protocols are service discovery protocols? (Choose two.) - ANS
✔✔DNS, DHCP
What is the purpose of the sequencing function in network communication? - ANS
✔✔to uniquely label transmitted segments of data for proper reassembly by the
receiver
This protocol is responsible for guaranteeing the reliable delivery of information. -
ANS ✔✔TCP
UDP and TCP belong to which layer of the TCP/IP protocol? - ANS ✔✔transport
Which two protocols belong in the TCP/IP model application layer? - ANS ✔✔DNS,
DHCP
Which protocol operates at the network access layer of the TCP/IP model? - ANS
✔✔Ethernet
