Free Cisco CCST-Networking Exam Actual Questions

The questions for CCST-Networking were last updated On Dec 15, 2025

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Question No. 1

Which two pieces of information should you include when you initially create a support ticket? (Choose 2.)

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Correct Answer: A, C

Statement A: 'A detailed description of the fault.' This is essential for support staff to understand the nature of the problem and begin troubleshooting effectively.

Statement C: 'A description of the conditions when the fault occurs.' This helps in reproducing the issue and identifying patterns that might indicate the cause of the fault.

Statement B: 'Details about the computers connected to the network.' While useful, this is not as immediately critical as understanding the fault itself and the conditions under which it occurs.

Statement D: 'The actions taken to resolve the fault.' This is important but typically follows the initial report.

Statement E: 'The description of the top-down fault-finding procedure.' This is more of a troubleshooting methodology than information typically included in an initial support ticket.


Best Practices for Submitting Support Tickets: Support Ticket Guidelines

Question No. 2

What is the most compressed valid format of the IPv6 address 2001 :0db8:0000:0016:0000:001b: 2000:0056?

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Correct Answer: D

IPv6 addresses can be compressed by removing leading zeros and replacing consecutive groups of zeros with a double colon (::). Here's how to compress the address 2001:0db8:0000:0016:0000:001b:2000:0056:

Remove leading zeros from each segment:

2001:db8:0000:0016:0000:001b:2000:0056 becomes 2001:db8:0:16:0:1b:2000:56

Replace the longest sequence of consecutive zeros with a double colon (::). In this case, the two consecutive zeros between the 16 and 1b:

2001:db8:0:16::1b:2000:56

Thus, the most compressed valid format of the IPv6 address is 2001:db8:0:16::1b:2000:56.


Cisco Learning Network

IPv6 Addressing (Cisco)

Question No. 3

Which protocol allows you to securely upload files to another computer on the internet?

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Correct Answer: A

SFTP, or Secure File Transfer Protocol, is a protocol that allows for secure file transfer capabilities between networked hosts. It is a secure extension of the File Transfer Protocol (FTP). SFTP encrypts both commands and data, preventing passwords and sensitive information from being transmitted openly over the network. It is typically used for secure file transfers over the internet and is built on the Secure Shell (SSH) protocol1.


* What Is SFTP? (Secure File Transfer Protocol)

* How to Use SFTP to Safely Transfer Files: A Step-by-Step Guide

* Secure File Transfers: Best Practices, Protocols And Tools

The Secure File Transfer Protocol (SFTP) is a secure version of the File Transfer Protocol (FTP) that uses SSH (Secure Shell) to encrypt all commands and data. This ensures that sensitive information, such as usernames, passwords, and files being transferred, are securely transmitted over the network.

* ICMP (Internet Control Message Protocol) is used for network diagnostics and is not designed for file transfer.

* NTP (Network Time Protocol) is used to synchronize clocks between computer systems and is not related to file transfer.

* HTTP (HyperText Transfer Protocol) is used for transmitting web pages over the internet and does not inherently provide secure file transfer capabilities.

Thus, the correct protocol that allows secure uploading of files to another computer on the internet is SFTP.

* Cisco Learning Network

* SFTP Overview (Cisco)

Question No. 4

A support technician examines the front panel of a Cisco switch and sees 4 Ethernet cables connected in the first four ports. Ports 1, 2, and 3 have a green

LED. Port 4 has a blinking green light.

What is the state of the Port 4?

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Correct Answer: C

On a Cisco switch, a port with a blinking green LED typically indicates that the port is up (active) and is currently transmitting or receiving data. This is a normal state indicating active traffic on the port.

* A. Link is up with cable malfunctions: Usually indicated by an amber or blinking amber light.

* B. Link is up and not stable: Not typically indicated by a green blinking light.

* D. Link is up and there is no activity: Would be indicated by a solid green light without blinking.

Thus, the correct answer is C. Link is up and active.


* Cisco Switch LED Indicators

* Cisco Ethernet Switch LED Patterns

Question No. 5

During the data encapsulation process, which OSI layer adds a header that contains MAC addressing information and a trailer used for error checking?

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