Cisco 100-105 Actual Free Exam Questions & Community Discussion

  • Exam Code/Number: 100-105
  • Exam Name/Title: Cisco Interconnecting Cisco Networking Devices Part 1 (ICND1 v3.0)
  • Certification Provider: Cisco
  • Corresponding Certification: ICND1
  • Exam Questions: 832
  • Updated On: Jun 12, 2026
Which effect of the passive-interface command on R1 is true?
Correct Answer: B Vote an answer
Drag and Drop Question
Drag and drop the OSI model layers from the left onto the correct TCP/IP model layers on the right.
Correct Answer:
The ip helper-address command does what?
Correct Answer: B Vote an answer
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Which technology allows a large number of private IP addresses to be represented by a smaller number of public IP addresses?
Correct Answer: D Vote an answer
Two routers named Atlanta and Brevard are connected by their serial interfaces as shown in the exhibit, but there is no data connectivity between them. The Atlanta router is known to have a correct configuration.

Given the partial configurations shown in the exhibit, what is the problem on the Brevard router that is causing the lack of connectivity?
Correct Answer: E Vote an answer
Which network configuration allows a switch to send traffic from multiple VLANs over a single link to a router that routes between the VLANs?
Correct Answer: C Vote an answer
Which value must the device send as its username when using CHAP to authenticate with the remote peer site id:17604704 over a PPP link?
Correct Answer: C Vote an answer
Which statement about routing protocols is true?
Correct Answer: A Vote an answer
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Drag and Drop Question
Drag and drop the cable types from the left onto the correct descriptions on the right.
Correct Answer:
Which of the following true about the dynamic route?
Correct Answer: A Vote an answer
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