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CCNA - 1 Networking Fundamentals Exam Q’s and A’s
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CCNA - 1 Networking Fundamentals Exam Q’s and A’s
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CCNA - 1 Networking FundamentalsExam 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
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