Networking Concepts Quiz

What is the primary purpose of subnetting?

• To increase the number of available IP addresses globally

• To divide a network into smaller, manageable sub-networks

• To replace IPv4 with IPv6

• To encrypt network traffic

What does the CIDR notation /28 represent in a subnet mask?

• 255.255.255.0

• 255.255.255.128

• 255.255.255.192

• 255.255.255.240

In the subnet 10.1.1.48/28, what is the broadcast IP address?

• 10.1.1.47

• 10.1.1.63

• 10.1.1.64

• 10.1.1.255

What is the Network ID for the IP address 10.2.2.111 with a subnet mask of 255.255.255.128?

• 10.2.2.0

• 10.2.2.64

• 10.2.2.128

• 10.2.2.255

How many usable IP addresses are available in a /30 subnet?

• 2

• 4

• 6

• 8

What is the primary function of a MAC address?

• To identify a device on the internet

• To uniquely identify a network interface on a local network

• To encrypt network traffic

• To route data between different networks

Which part of a MAC address represents the manufacturer?

• The last 24 bits

• The first 24 bits (OUI)

• The middle 16 bits

• The entire 48 bits

Where does a MAC address operate in the OSI model?

• Layer 1 (Physical)

• Layer 2 (Data Link)

• Layer 3 (Network)

• Layer 4 (Transport)

Which protocol is connection-oriented and ensures reliable data delivery?

• UDP

• TCP

• ICMP

• ARP

What is the purpose of the 3-way handshake in TCP?

• To encrypt data

• To establish a reliable connection between client and server

• To compress data for faster transmission

• To resolve IP addresses to MAC addresses