Computer Network Quiz

What is the fundamental purpose of a computer network?

• Performing calculations

• Storing data

• Enhancing security

• Sharing resources

Which topology does the Internet resemble?

• Bus

• Mesh

• Ring

• Star

What type of network covers a large geographical area, like a city, country, or the world?

• LAN

• MAN

• WAN

• PAN

Which device is used to connect different network segments in a computer network?

• Router

• Repeater

• Modem

• Bridge

What protocol is commonly used for transmitting web pages over the internet?

• SNMP

• SMTP

• FTP

• HTTP

Which layer of the OSI model ensures the error-free transmission of data?

• Transport Layer

• Network Layer

• Data Link Layer

• Physical Layer

In a computer network, what is the main function of the application layer?

• To provide network services to the applications

• To transmit data between network devices

• To route data between networks

• To package data for transfer

Which command can be used to view the current IP configuration of a device?

• ipconfig

• netstat

• ifconfig

• Both ipconfig and ifconfig

What is the result of executing the ping localhost command?

• It clears the DNS cache

• It displays the routing table

• It configures the local machine's IP address

• It sends ICMP echo requests to the local machine

If a computer is unable to access the Internet, but can communicate with local network devices, what should be checked first?

• Router configuration

• Local firewall settings

• Cable connections

• DNS settings