What is the primary purpose of a router?

To forward data between networks

To connect devices within a local network

What is the relationship between bandwidth and data transmission speed?

Higher bandwidth allows for faster data transmission.

Lower bandwidth allows for faster data transmission.

Bandwidth has no effect on data transmission speed.

Bandwidth only affects analog signals.

What is the purpose of error detection in data transmission?

To ensure data is transmitted accurately

To ensure data is compressed correctly

To ensure data is encrypted correctly

To ensure data is stored efficiently

What role does IPv4 play in networking?

Provides unique addresses for devices

Ensures error-free transmission

How does the Internet Protocol (IP) route data?

Using hierarchical addressing and routing algorithms

What is the significance of metadata in digital files?

Metadata provides information about the content

Metadata stores the actual content

How does a packet-switching network function?

By dividing data into packets and routing them independently

By establishing a single dedicated pathway

By using a central server to control all packets

By prioritizing larger packets over smaller ones

What happens when a DNS server fails?

Websites become inaccessible by their domain names

All internet traffic is rerouted

The server attempts to repair itself automatically

Which of the following is an example of metadata for an image file?

The size of the image in pixels

Simulate a packet-switching network with four nodes. If Node A wants to send data to Node D, but Node C fails, what happens?

The data is rerouted through another path

Node A retries the process indefinitely

You are analyzing the flow of data in a network and notice that packets are frequently being retransmitted. Which of the following is the most likely explanation?

The packets were lost or corrupted during transmission.

The IP address of the sender is incorrect.

The packets are too large for transmission.

Which of the following is a direct result of the use of IP addresses in internet communication?

Devices on the internet can be uniquely identified and located.

Content is encrypted during transmission.

Data is transmitted at faster speeds.

Webpages are loaded more quickly.

Which of the following best explains why a website would be served over HTTPS rather than HTTP?

HTTPS provides encryption for secure communication.

HTTPS is a faster protocol than HTTP.

HTTPS uses a different port number than HTTP.

HTTPS is used exclusively for websites with lots of images.

In the context of the internet, what is the main function of TCP (Transmission Control Protocol)?

To ensure data packets are correctly ordered and reliably delivered.

To control access to the internet.

To segment large files into smaller packets for transmission.

To protect data from being intercepted during transmission.

A computer is trying to send an HTTP request to a website but cannot establish a connection. Which of the following would be a good first step in troubleshooting the issue?

Check the computer's network settings and DNS configuration.

Verify the browser's cache settings.

Check the website's content for errors.

When a packet of data travels across the internet, it passes through multiple routers. What do these routers primarily do with the packet?

They transmit the packet to its destination based on the IP address.

They decode the data inside the packet.

They check the data for viruses before passing it along.

They transform the packet into a different format.

You are troubleshooting an issue where a website cannot be accessed by its domain name but can be accessed by its IP address. Which of the following is the most likely cause?

There is a DNS resolution problem.

The website's content is corrupted.

The user's computer has insufficient RAM.

When a packet of data travels across the internet, it passes through multiple routers. What do these routers primarily do with the packet?

They transmit the packet to its destination based on the IP address.

They decode the data inside the packet.

They check the data for viruses before passing it along.

They transform the packet into a different format.

A computer is trying to send an HTTP request to a website but cannot establish a connection. Which of the following would be a good first step in troubleshooting the issue?

Check the computer's network settings and DNS configuration.

Verify the browser's cache settings.

Check the website's content for errors.

In the context of the internet, what is the main function of TCP (Transmission Control Protocol)?

To ensure data packets are correctly ordered and reliably delivered.

To control access to the internet.

To segment large files into smaller packets for transmission.

To protect data from being intercepted during transmission.

Which of the following best explains why a website would be served over HTTPS rather than HTTP?

HTTPS provides encryption for secure communication.

HTTPS is a faster protocol than HTTP.

HTTPS uses a different port number than HTTP.

HTTPS is used exclusively for websites with lots of images.

Which of the following is a direct result of the use of IP addresses in internet communication?

Devices on the internet can be uniquely identified and located.

Content is encrypted during transmission.

Data is transmitted at faster speeds.

Webpages are loaded more quickly.

You are analyzing the flow of data in a network and notice that packets are frequently being retransmitted. Which of the following is the most likely explanation?

The packets were lost or corrupted during transmission.

The IP address of the sender is incorrect.

The packets are too large for transmission.

Which of the following strategies can improve the efficiency of routing on the internet?

Optimizing algorithms used to calculate the best path for data.

Reducing the size of data packets.

Using a centralized DNS server for all users.

Encrypting all data transmissions.

A user is accessing a website using HTTPS, but the browser shows a warning about the website's certificate being invalid. What might be the cause of the warning?

The website's security certificate has expired or is untrusted.

The website is being accessed using the wrong protocol.

The user's network connection is too slow.

The website's content is blocked by a firewall.

Which of the following is the best way to ensure data integrity during transmission?

Use hexadecimal representation.

Which of the following is the best reason to use metadata in a digital file?

To provide additional information about the file.

A student claims that increasing the number of redundant paths in a network will always reduce latency. Evaluate this claim. Which statement is most accurate?

False, redundancy only improves fault tolerance, not necessarily latency.

True, redundancy always decreases latency.

True, because it ensures faster delivery of packets.

False, because redundancy increases network load and slows down packet transmission.

What is the primary limitation of relying exclusively on IPv4 for addressing devices in the modern internet?

IPv4 has a limited number of unique addresses, which cannot accommodate the growing number of devices.

IPv4 addresses are too difficult to understand for users.

IPv4 cannot support secure communication.

IPv4 is incompatible with modern hardware.

A team is considering whether to implement HTTP or HTTPS for their website. Which of the following is the most critical evaluation for using HTTPS?

HTTPS ensures encryption of user data, protecting against unauthorized access.

HTTPS is less expensive to implement.

HTTPS works only on specific browsers.

Evaluate the decision to use DNS (Domain Name System) in all internet communications.

DNS simplifies addressing by translating human-readable names into IP addresses.

DNS improves security by encrypting all requests.

DNS eliminates the risk of unauthorized access.

DNS ensures faster communication between devices.

Evaluate the impact of packet switching on internet reliability.

It increases reliability because packets can take alternative paths if one fails.

It decreases reliability because packets may arrive out of order.

It increases speed but not reliability.

It decreases speed and reliability.

Which of the following most critically evaluates the use of cookies in maintaining user sessions on websites?

Cookies can be a security risk if sensitive data is stored without encryption.

Cookies enhance the user's experience by personalizing content.

Cookies are inefficient compared to server-side authentication.

Cookies eliminate the need for user authentication.

Computer Networking Quiz

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