3.3.6 Check Your Understanding – Protocol Suites Answers

Home CCNA 3.3.6 Check Your Understanding – Protocol Suites Answers

1. UDP and TCP belong to which layer of the TCP/IP model?

Application
Transport ✅
Internet
Network access

Explanation: TCP and UDP are both transport-layer protocols.

2. Which two protocols belong to the application layer of the TCP/IP model? (Choose two.)

EIGRP
DNS ✅
OSPF
ICMP
DHCP ✅

Explanation: Domain Name System (DNS) and Dynamic Host Configuration Protocol (DHCP) operate at the application layer.

3. Which protocol operates at the network access layer of the TCP/IP model?

HTTP
IP
DNS
Ethernet ✅

Explanation: Ethernet operates at the network access layer of the TCP/IP model.

4. Which two protocols provide feedback about packet-delivery errors? (Choose two.)

IPv4
TCP
ICMPv4 ✅
IPv6
UDP
ICMPv6 ✅

Explanation: ICMPv4 and ICMPv6 provide feedback when errors occur during packet delivery.

5. A device receives a data-link frame and removes the Ethernet information. What information is processed next?

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: During de-encapsulation, the device removes the Ethernet frame information. It then processes the IP packet at the internet layer.

6. Which three 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: Internet Protocol (IP), messaging through ICMP, and routing protocols operate at the internet layer.

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3.3.6 Check Your Understanding – Protocol Suites Answers

1. UDP and TCP belong to which layer of the TCP/IP model?

2. Which two protocols belong to the application layer of the TCP/IP model? (Choose two.)

3. Which protocol operates at the network access layer of the TCP/IP model?

4. Which two protocols provide feedback about packet-delivery errors? (Choose two.)

5. A device receives a data-link frame and removes the Ethernet information. What information is processed next?

6. Which three services are provided by the internet layer of the TCP/IP protocol suite? (Choose three.)

Ciscoexam Editorial Team

CCNA: Introduction to Networks

Module 1: Networking Today

1.2.6 Check Your Understanding – Network Components

1.3.3 Check Your Understanding – Network Representations and Topologies

1.4.5 Check Your Understanding – Common Types of Networks

1.6.6 Check Your Understanding – Reliable Networks

1.7.10 Check Your Understanding – Network Trends

1.8.3 Check Your Understanding – Network Security

1.10.2 Module Quiz – Networking Today (Answers)

Module 2: Basic Switch and End Device Configuration

2.1.6 Check Your Understanding – Cisco IOS Access Answers

2.2.8 Check Your Understanding – IOS Navigation Answers

2.4.8 Check Your Understanding – Basic Device Configuration Answers

2.6.3 Check Your Understanding – Ports and Addresses Answers

2.9.4 Module Quiz – Basic Switch and End Device Configuration Answers

Module 3: Protocols and Models

3.1.12 Check Your Understanding – The Rules Answers

3.2.4 Check Your Understanding – Protocols Answers

3.3.6 Check Your Understanding – Protocol Suites Answers

3.4.5 Check Your Understanding – Standards Organizations Answers

3.6.6 Check Your Understanding – Data Encapsulation Answers

3.7.11 Check Your Understanding – Data Access Answers

3.8.2 Module Quiz – Protocols and Models (Answers)

Checkpoint Exam: Basic Network Connectivity and Communications Exam Answers

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3.3.6 Check Your Understanding – Protocol Suites Answers

1. UDP and TCP belong to which layer of the TCP/IP model?

2. Which two protocols belong to the application layer of the TCP/IP model? (Choose two.)

3. Which protocol operates at the network access layer of the TCP/IP model?

4. Which two protocols provide feedback about packet-delivery errors? (Choose two.)

5. A device receives a data-link frame and removes the Ethernet information. What information is processed next?

6. Which three services are provided by the internet layer of the TCP/IP protocol suite? (Choose three.)

Ciscoexam Editorial Team

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