PDF Download
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.
