What is a MAC address used for in a network?

To uniquely identify each device or computer on a network.

What is the purpose of a bridge in a network?

To connect different LANs that use the same protocol.

To broadcast data packets to all computers in the network.

To temporarily store data packets.

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

To route data packets between different networks

To connect computers directly to the internet

To provide power to network devices

What is the role of a router in relation to IP addresses?

It uses IP addresses to send data packets to the correct switch

It assigns IP addresses to devices

It changes IP addresses randomly

It deletes IP addresses from the network

What information is typically contained in data packets? (Select the most complete answer)

Some form of header, sender's IP address, receiver's IP address, how many data packets make up the message, and the identity number of each packet

The sender's IP address and the identity number of each packet

The receiver's IP address and how many data packets make up the message

The identity number of each packet and the sender's IP address

The function of a gateway in a network is to:

act as an entrance to another network

store the MAC address of a device

provide faster data transfer rates

Why are network cables still used despite the availability of Wi-Fi?

They offer faster data transfer rates and can be more secure

They are more compatible with older devices

What is an Internet Protocol (IP) address?

A unique address given to each device on the internet

A 64-bit number assigned to a device

What is the main difference between an IP address and a MAC address?

IP address gives the location, MAC address identifies the device.

IP address identifies the device, MAC address gives the location.

Both IP and MAC addresses identify the device.

Both IP and MAC addresses give the location.

What is the term used for Bluetooth's method of minimizing interference by changing frequencies?

Spread-spectrum frequency hopping

What is one of the tasks involved in setting up a small network?

Setting up a network-manager-level of privilege

Diagram showing network setup components like switches, hubs, network cables, firewall, and servers.

Diagram showing network setup components like routers, modems, wireless access points, and printers.

Diagram showing network setup components like computers, monitors, keyboards, and mice.

Diagram showing network setup components like power supplies, cooling fans, and hard drives.

What is one advantage of using a network?

The sharing of resources such as expensive peripherals and applications software.

Easier spread of viruses throughout the whole network.

Printer queues developing, which can be frustrating.

Increased security risk when compared to stand-alone computers.

What is a disadvantage of using a network?

Slower access to external networks, such as the internet.

Ease of communication between users.

A network administrator to control and monitor all aspects of the network.

The sharing of resources such as expensive peripherals and applications software.

What is a typical feature of a WAN?

It consists of end systems and intermediate systems.

It only uses wireless connections.

It is limited to a single building.

It does not require any public communications network.

What is one advantage of using WLAN for accessing network resources?

All computers can access the same services and resources from anywhere within range of the APs.

WLAN requires extensive cabling for setup.

WLAN is slower than a wired LAN.

WLAN does not support internet access.

What is a disadvantage of using WLAN?

WLAN can have interference problems affecting the signal.

WLAN provides faster data transfer than wired LAN.

WLAN requires no encryption techniques.

Which of the following is a disadvantage of using mobile phones to access the internet?

Mobile phones are expensive to use if Wi-Fi hotspot is not available.

Mobile phones are very portable.

Mobile phones have large displays for easy reading.

Mobile phones have stable signals like wired systems.

What is one advantage of laptops over desktops according to the text?

Laptops are more mobile than desktops.

Laptops have larger screens than desktops.

Laptops have more powerful processors than desktops.

Laptops are cheaper than desktops.

What is a disadvantage of using a desktop computer as mentioned in the text?

Desktops require expensive 'dongles' to access the phone network.

Desktops are more portable than laptops.

Desktops have less reliable internet connections.

Desktops have smaller screens than laptops.

According to the text, what is a benefit of using a desktop computer for internet access?

Desktops have a more stable and reliable internet connection.

Desktops have less stable internet connections.

Desktops are easier to carry around.

Desktops have smaller screens for better focus.

What is one argument in favor of policing the internet?

It would help prevent illegal material from being posted.

It would increase the cost of internet access.

It would make it difficult to enforce rules globally.

It would reduce the freedom of information.

What is a potential downside of policing the internet?

It would be very expensive to implement.

It would make information more reliable.

It would increase the speed of internet access.

What is the 'digital divide'?

A gap between those who have access to digital technology and those who do not.

A method of encrypting data online.

Which of the following is NOT a main aspect to consider when evaluating the quality of information found online?

Undesirability of certain websites

Which of the following is a reason why information on the internet might be more reliable than in books?

Websites can be updated very quickly.

Internet information is always checked by experts.

Books are updated more frequently than websites.

Internet information is always unbiased.

What is a potential risk of using the internet for information?

Information could be incorrect or biased.

All information is verified by professionals.

There is no risk of information overload.

Search engines only show accurate results.

Which of the following is NOT a recommended practice for creating strong passwords?

Use your favorite color as the password.

Use at least one capital letter.

Include at least one numerical value.

Include at least one other keyboard character.

What is the purpose of authentication in internet security?

To verify that data comes from a secure and trusted source.

To make passwords easier to remember.

To allow access to all websites without a password.

To ensure all internet information is accurate.

What is the purpose of a holographic image on ID cards?

To prevent unauthorized copying

To enhance the card's durability

What is stored on the microchip embedded in a passport?

Biometric data and other personal information

Only the passport holder's name

The passport holder's travel itinerary

What is one common feature of antivirus software?

It checks software or files before they are run.

It automatically updates the operating system.

It enhances graphics performance.

0417_4_Computer Networking Quiz

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10th Grade

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Practice Problem

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Hard

George Dong

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A switch stores data packets for future use.

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