CCNA - 1 Networking Fundamentals
Exam Q’s and A’s
What type of data does the Transport Layer send? - -Segment
-What type of data does the Network Layer send? - -Packet
-What type of data does the Link Layer send? - -Frame
-What are the 4 layers of the TCP/IP model? And the alternate 5 layers? - -4:
Application, Transport, Internet, Link
5: Application, Transport, Network, Data Link, Physical
-Briefly describe the process of encapsulation from Application to Network
layer and their purpose. - -1. Create and encapsulate data with any
Application header+trailer required (ex. HTTP).
2. Encapsulate that data with Transport Layer header (ex. TCP/UDP).
3. Encapsulate that data with Network Layer header (ex. IP).
4. Transmit data.
-The bits that include the headers+trailer and encapsulated data is called: -
-PDU (Protocol Data Unit)
-HTTP, POP3, and SMTP are examples of protocols for which layer? - -
Application Layer
-Ethernet, PPP, T1 are examples of protocols for which layer? - -Data Link
Layer
-Which OSI layer defines the functions of logical network-wide addressing
and routing? - -Layer 3 (Network Layer)
-What are some examples of devices that work at the Physical layer? - -
Hubs, Repeaters, Cables
-Switches, wireless access points, and cable modems work at which layer? -
-Layer 2 (Data Link)
-Routers work at which layer? - -Layer 3 (Network)
THINK >>addressing<<
-Only devices that use cabling are considered Ethernet? (T/F) - -True
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 Nursephil2023. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.49. You're not tied to anything after your purchase.