Introduction to Networking Fundamentals

What is the primary function of a router in a network?

• To connect devices within a local area network

• To forward data packets between different networks

• To provide wireless connectivity

• To store data

Which of the following is a characteristic of a Local Area Network (LAN)?

• Covers a large geographical area

• Connects devices within a single building or campus

• Uses satellite communication

• Operates over the internet

What does the acronym "IP" stand for in IP Addressing?

• Internet Protocol

• Internal Process

• Interconnected Pathway

• Information Packet

Which of the following is a valid IPv4 address?

• 192.168.1.1

• 256.100.50.25

• 123.456.78.90

• 192.168.1.256

In subnetting, what does the subnet mask 255.255.255.0 indicate?

• The first three octets are the network part

• The last octet is the network part

• All four octets are the host part

• The first two octets are the host part

Which protocol is used to send emails from a client to a server?

• FTP

• SMTP

• HTTP

• SNMP

What layer of the OSI model is responsible for data encryption?

• Physical Layer

• Data Link Layer

• Presentation Layer

• Network Layer

Which device is used to connect multiple devices on a network and uses MAC addresses to forward data?

• Router

• Switch

• Modem

• Hub

What is the main purpose of the Transport Layer in the OSI model?

• To provide end-to-end communication services for applications

• To route data packets across networks

• To define the electrical and physical specifications of the data connection

• To format data for presentation

Which of the following is a function of a modem?

• To modulate and demodulate signals for data transmission

• To store and forward emails

• To provide IP addresses to devices

• To connect devices within a LAN