CCNA Questions
Take this Computer Networking quiz to test your knowledge of Computer networks, Protocols, Devices, and Topology. Perfect for beginners to sharpen their networking skills!
1 / 20
Which port does Telnet use by default?
2 / 20
What is the size of an IPv4 address?
3 / 20
Which protocol is used to assign IP addresses automatically?
4 / 20
Which device connects two different networks together?
5 / 20
What does HTTP stand for?
6 / 20
Which layer of the OSI model is responsible for routing?
7 / 20
Which IP address class is reserved for multicast?
8 / 20
What is the purpose of a DNS server?
9 / 20
Which of the following protocols is used to transfer files over the internet?
10 / 20
What does IP stand for in networking?
11 / 20
TCP is a connection-oriented protocol.
12 / 20
A switch operates only at the Physical layer of the OSI model.
13 / 20
IP addresses are used to identify devices on a network.
14 / 20
The MAC address of a device can change every time it connects to a network.
15 / 20
DNS stands for Dynamic Network System.
16 / 20
A router can assign IP addresses to devices using DHCP.
17 / 20
UDP is faster than TCP but less reliable.
18 / 20
HTTP is encrypted by default.
19 / 20
A firewall can block unauthorized access to a network.
20 / 20
The OSI model has fewer layers than the TCP/IP model.
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