computer network

What does LAN stand for?

• Local Area Network
• Legal Access Network
• Legendary Access Node
• Local Admin Network

Which of the following is a characteristic of data communication?

• Accuracy
• Speed
• Reliability
• All of the above

Which component converts data into signals for transmission?

• Router
• Modem
• Switch
• Hub

Data in networks is usually represented in which form?

• Decimal
• Binary
• Octal
• Hexadecimal

Which transmission mode allows data to flow in both directions simultaneously?

• Simplex
• Half-Duplex
• Full-Duplex
• Serial

Which device connects multiple networks together?

• Switch
• Hub
• Router
• Repeater

Which of the following is not a network classification?

• LAN
• WAN
• MAN
• MAC

Which protocol is used to send emails?

• HTTP
• FTP
• SMTP
• TCP

How many layers does the OSI model have?

• 5
• 6
• 7
• 8

TCP operates at which OSI layer?

• Network
• Transport
• Session
• Data Link