TCP/IP is a hot topic, because it’s the glue that holds the Internet and the Web together, and network administrators need to stay on top of the latest developments. TCP/IP For Dummies,…
Tag: TCP/IP
CCNA 640-802 Bible – OSI and TCP Basic Operation
1. Why does the data communication industry use the layered OSI reference model? (Choose two.) A:It divides the network communication process into smaller and simpler components, thus aiding component development, design, and…
CCNA 640-802 Bible – OSI and TCP/IP models
1. At which layers of the OSI model do WANs operate? (Choose two.) A:application layer B:session layer C:transport layer D:network layer E:datalink layer F:physical layer Correct Answers: E, F Explanation:
The TCP/IP Model
TCP/IP and the OSI Reference Model As illustrated in Figure 1.2, the TCP/IP model consists of four layers, each of which can have several sublayers. These layers correlate roughly to layers in…
CCNA Quick Notes – Internetworking
1.What are the three layers of the Cisco Hierarchical Model? The three layers of the Cisco Hierarchical Model are:1 The access layer The distribution layer The core layer 2.In the Cisco Hierarchical…