CCNA ITN: Module 1

Module 1: Networking Today

Module 1 objectives

Objective 1.1 - Explain how networks affect our daily lives.

Objective 1.2 - Explain how host and network devices are used.

Objective 1.3 - Explain network representations and how they are used in network topologies.

Objective 1.4 - Compare the characteristics of common types of networks.

Objective 1.5 - Explain how LANs and WANs interconnect to the Internet.

Objective 1.6 - Describe the four basic requirements of a reliable network.

Objective 1.7 - Explain how trends such as BYOD, online collaboration, video, and cloud computing are changing the way we interact.

Objective 1.8 - Identify some basic security threats and solutions for all networks.

Objective 1.9 - Explain employment opportunities in the networking field.

What is the biggest way networks affect our daily lives? [1.1]

We can connect and interact instantly

Networking technologies are helping to create a world that… [1.1]

• transcends national borders

• transcends geographic distances

• transcends physical limitations

• creates global technologies

Innovations in technology have allowed for the creation of… [1.1]

• online communities to exchange ideas and information

• storage and access of data or applications via the cloud

Features of Cisco NetaCad [1.1]

• provides students with real technology skills

• allows students to test their ideas and skills in real environments (competitions, hackathons, etc)

• creates problem solvers with technical knowledge

• earn certifications in topics like networking, IT, and cybersecurity to get better jobs and higher pay

Hosts definition [1.2]

Aka end devices, all computers that are connected to and participate in a network

What do IP addresses do for hosts? [1.2]

Identifies the host and the network it is connected to

Servers definition [1.2]

Computers with service-specific software that can provide info to many clients simultaneously

Clients definition [1.2]

A type of host with software for requesting and displaying the information obtained from the server

A single computer can run _____ types of client software [1.2]

multiple

Characteristics of peer-to-peer networking [1.2]

• computers can serve as both a client and a server

• popular model among small businesses and homes

• easy to set up, less complex, costs less

• not as secure, scalable, or fast

• no centralized administration

Intermediary devices definition [1.2]