CIW-NTA Lesson 4 Questions and
Answers Rated A+
Question: What is the primary function of a router in a network?
Answer: A router directs data packets between different networks and manages traffic
within the network to ensure efficient communication and prevent collisions.
Question: Ho...
performance by isolating traffic within each VLAN.
Question: What is the difference between TCP and UDP in terms of data transmission?
Answer: ✔✔ TCP (Transmission Control Protocol) ensures reliable, ordered, and error-checked
delivery of data, while UDP (User Datagram Protocol) provides faster but less reliable data
transmission without error checking or ordering.
2
, Question: How does network address translation (NAT) work and what is its purpose?
Answer: ✔✔ NAT translates private IP addresses within a local network to a public IP address
when communicating with external networks, allowing multiple devices to share a single public
IP address and providing a layer of security.
Question: What is the function of a firewall in network security?
Answer: ✔✔ A firewall monitors and controls incoming and outgoing network traffic based on
predefined security rules, protecting the network from unauthorized access and potential threats.
Question: What is the OSI model and why is it important in networking?
Answer: ✔✔ The OSI (Open Systems Interconnection) model is a conceptual framework that
standardizes the functions of a network into seven layers, helping to understand and troubleshoot
network communication by breaking it into manageable components.
Question: Describe what is meant by network topology and name a common type.
Answer: ✔✔ Network topology refers to the physical or logical arrangement of devices and
connections in a network. A common type is the star topology, where all devices are connected
to a central hub or switch.
3
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BrilliantScores. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
