1. UDP and TCP belong to which layer of the TCP/IP protocol?
- application
- transport
- internet
- network access
Explanation: TCP and UDP are both transport layer protocols.
2. Which two protocols belong in the TCP/IP model application layer?
- EIGRP
- DNS
- OSPF
- ICMP
- DHCP
Explanation: DHCP and DNS are both application layer protocols.
3. Which protocol operates at the network access layer of the TCP/IP model?
- HTTP
- IP
- DNS
- Ethernet
Explanation: Ethernet is a network access layer protocol.
4. Which of the following are protocols that provide feedback from the destination host to the source host regarding errors in packet delivery? (Choose two.)
- IPv4
- TCP
- ICMPv4
- IPv6
- UDP
- ICMPv6
Explanation: ICMPv4 and ICMPv6 provide feedback when errors occur.
5. A device receives a data link frame with data and processes and removes the Ethernet information. What information would be the next to be processed by the receiving device?
- HTTP at the application layer
- HTML at the application layer
- IP at the internet layer
- UDP at the internet layer
- TCP at the transport layer
Explanation: Data is de-encapsulated so the next layer to receive the data would be the internet layer.
6. Which services are provided by the internet layer of the TCP/IP protocol suite? (Choose three.)
- File Transfer
- Address Resolution
- Routing Protocols
- Messaging
- Ethernet
- Internet Protocol
Explanation: IP (Internet Protocol), ICMP (Messaging), and Routing Protocols are services provided at the Internet Layer.