Net+ 1.3.3 & 1.3.4 Data Link Layer/Network Functions

What is the role of an Ethernet switch in a SOHO router?

• Connects RJ45 jacks internally

• Implements Wi-Fi standard

• Functions as a wireless hub

• Bridges cabled and wireless segments.

The wireless access point in a SOHO router functions as a ______.

• Ethernet switch

• Wireless hub

• RJ45 connector

• Data Link network

Which of the following is internally wired to a switch port in the network diagram?

• LAN

• Wi-Fi

• WAN

• NIC

In the network diagram, each NIC port in the computers and each radio in the mobile devices has a unique ________.

• IP address

• MAC address

• DNS address

• Gateway address

What is the term used to describe a network that covers a broad area, such as a city or a country?

• LAN

• WAN

• PAN

• MAN

Fill in the blank: A _______ is a network that connects computers within a limited area such as a residence, school, or office building.

• LAN

• WAN

• PAN

• MAN

What is the role of the network layer in a SOHO router?

• To make forwarding decisions between the local private network and public Internet

• To assign IP addresses to devices

• To provide wireless connectivity

• To encrypt data

Fill in the blank: The last octet of the IP address can be any value from 1 to ____, excluding whichever value is used by the router.

• A) 100

• B) 200

• C) 254

• D) 300

What is the default IP address of the DHCP server as shown in the router configuration?

• 192.168.1.1

• 192.168.1.254

• 203.0.113.1

• 255.255.255.0

Fill in the blank: The WAN interface of the router is allocated a public IP address by the Internet service provider. In the example provided, the IP address is _____.

• A) 192.168.1.254

• B) 203.0.113.1

• C) 255.255.255.0

• D) 192.168.1.1