CCNA - 1 NETWORKING FUNDAMENTALS EXAM QUESTIONS

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CCNA - 1 NETWORKING FUNDAMENTALS EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -23 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: What type of data does the Network Layer send?

Answer:

Packet

Question 2: Only devices that use cabling are considered Ethernet? (T/F)

Answer:

True Question 3: What are the 4 layers of the TCP/IP model? And the alternate 5 layers?

Answer:

4: Application, Transport, Internet, Link

5: Application, Transport, Network, Data Link, Physical

Question 4: Routers work at which layer?

Answer:

Layer 3 (Network) THINK >>addressing<<

Question 5: Which devices transmit on pins 3 and 6?

Answer:

Hubs and Switches

Question 6: Which pins does a PC transmit on?

Answer:

Pins 1 and 2.

Question 7: What is the purpose of CSMA/CD? What devices make use of this?

Answer:

To detect and ultimately reduce collisions by changing transmission behavior of devices when a collision is detected.Hubs.

Question 8: Which pins does a router transmit on?

Answer:

Pins 1 and 2.

Question 9: What type of data does the Link Layer send?

Answer:

Frame Question 10: Which OSI layer defines the functions of logical network-wide addressing and routing?

Answer:

Layer 3 (Network Layer)

Question 11: What are some examples of devices that work at the Physical layer?

Answer:

Hubs, Repeaters, Cables Question 12: Briefly describe the process of encapsulation from Application to Network layer and their purpose.

Answer:

• Create and encapsulate data with any Application header+trailer required (ex. HTTP).

• Encapsulate that data with Transport Layer header (ex. TCP/UDP).

• Encapsulate that data with Network Layer header (ex. IP).

• Transmit data.

Question 13: The bits that include the headers+trailer and encapsulated data is called:

Answer:

PDU (Protocol Data Unit) Question 14: If two devices transmit on the same pair of pins what type of cable is needed?

Answer:

Crossover Cable

Question 15: Which pins does a switch transmit on?

Answer:

Pins 3 and 6.

Question 16: The OUI of a MAC address had what defining qualities?

Answer:

24 bit unique address and assigned to manufacturer by IEEE.

Question 17: HTTP, POP3, and SMTP are examples of protocols for which layer?

Answer:

Application Layer

Question 18: Ethernet, PPP, T1 are examples of protocols for which layer?

Answer:

Data Link Layer

Question 19: What type of data does the Transport Layer send?

Answer:

Segment

Question 20: What is the default MTU of a typical packet?

Answer:

1500 bytes.Question 21: Switches, wireless access points, and cable modems work at which layer?

Answer:

Layer 2 (Data Link)

Question 22: What is the broadcast address?

Answer:

FF:FF:FF:FF:FF:FF

Question 23: For a crossover cable which pins connect to which?

Answer:

Pins 1 and 2 connect to pins 3 and 6.