Networking Essentials: Devices, Media, and Connectivity

What does a modem do?

• Converts analog signals to digital and vice versa

• Connects devices within a local network

• Filters and forwards data packets

• Blocks unwanted network traffic

Which type of cable is commonly used in Ethernet networks?

• Coaxial cable

• Fiber optic cable

• Twisted pair cable

• Infrared transmission

What does UTP stand for?

• Unified Transmission Protocol

• Unshielded Twisted Pair

• Universal Transfer Path

• Ultimate Transmission Panel

Which transmission medium has the highest bandwidth?

• Twisted pair cables

• Coaxial cables

• Fiber optic cables

• Infrared waves

What is the maximum standard length of a twisted pair cable before signal degradation occurs?

• 10 meters

• 50 meters

• 100 meters

• 500 meters

Which of the following is NOT a type of wireless transmission media?

• Infrared

• Microwave

• Fiber optic

• Satellite

What does a router do?

• Converts digital signals into analog

• Directs data packets between networks

• Filters electrical noise in wired transmission

• Strengthens Wi-Fi signals only

Which device is responsible for filtering and forwarding data to devices in the same local network?

• Modem

• Switch

• Router

• Satellite

What is the function of Network Address Translation (NAT)?

• Encrypts all network traffic

• Translates public IP addresses to private IPs and vice versa

• Speeds up internet connections

• Converts analog signals to digital

Which wireless transmission medium is often used for global coverage?

• Microwave

• Satellite

• Infrared

• Ethernet