A user reports intermittent network connectivity. The technician notices that the link LED on the network interface card (NIC) is flickering irregularly. Which physical layer issue is most likely the cause?

Switch port in a different VLAN

What information should be included in a troubleshooting report to support effective communication with stakeholders?

The symptoms, root cause, and resolution

The user's personal information

The technician's personal opinions

A workstation is configured with a static IP address of 192.168.10.25/24, but it cannot communicate with a server at 192.168.20.10/24. The workstation can ping its own IP and the default gateway (192.168.10.1). What is the most likely cause?

The workstation's ARP cache is corrupted.

The default gateway is not routing between the two subnets.

The workstation's subnet mask is incorrect.

A user reports that they can receive email but cannot send email. The email client is configured to use SMTP on port 25. You verify that the SMTP server is reachable via ping. What is the most likely cause?

The user's password is incorrect.

The SMTP server is not listening on port 25.

The DNS server is not resolving the SMTP server's hostname.

The user's email client is configured with the wrong POP3 server.

EC-CouncilCertified Cybersecurity Technician

Domain 6Objective 1

Network Troubleshooting CCT Practice Questions (Page 5)

Part of the Network Monitoring and Troubleshooting domain, which makes up ~14% of our current practice bank.

51questions here

11free pages

10concepts

Questions 21–25

21foundation · easy
A user reports intermittent network connectivity. The technician notices that the link LED on the network interface card (NIC) is flickering irregularly. Which physical layer issue is most likely the cause?
Select an answer first
22foundation · easy
What information should be included in a troubleshooting report to support effective communication with stakeholders?
Select an answer first
23foundation · easy
A technician discovers that devices in VLAN 10 cannot communicate with devices in VLAN 20 even though they are on the same switch. What is the most likely data link layer issue?
Select an answer first
24application · medium
A workstation is configured with a static IP address of 192.168.10.25/24, but it cannot communicate with a server at 192.168.20.10/24. The workstation can ping its own IP and the default gateway (192.168.10.1). What is the most likely cause?
Select an answer first
25application · medium
A user reports that they can receive email but cannot send email. The email client is configured to use SMTP on port 25. You verify that the SMTP server is reachable via ping. What is the most likely cause?
Select an answer first

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