The Most Likely Cause of Connectivity Issue
Question
A network technician is attempting to troubleshoot a connectivity issue.
The issue is only reported during the evening hours, and only a single workstation loses connectivity.
Which of the following is the MOST likely cause of the issue?
A.
The router has a time-based ACL, applied for the network segment. B.
A light source is creating EMI interference, affecting the UTP cabling. C.
Nightly backups are consuming excessive bandwidth. D.
The user has violated the AUP, and Internet access has been restricted.
D.
Explanations
A network technician is attempting to troubleshoot a connectivity issue.
The issue is only reported during the evening hours, and only a single workstation loses connectivity.
Which of the following is the MOST likely cause of the issue?
A.
The router has a time-based ACL, applied for the network segment.
B.
A light source is creating EMI interference, affecting the UTP cabling.
C.
Nightly backups are consuming excessive bandwidth.
D.
The user has violated the AUP, and Internet access has been restricted.
D.
The most likely cause of the connectivity issue, as described in the question, is that the user has violated the Acceptable Use Policy (AUP), and their Internet access has been restricted. This is indicated by the fact that the issue is only reported during the evening hours, and only a single workstation loses connectivity.
Explanation: Option A is unlikely to be the cause of the issue because time-based access control lists (ACLs) restrict access based on time, but they are typically applied to specific services or protocols, not entire network segments. Moreover, if an ACL were applied, it would affect all workstations on that network segment, not just one.
Option B is possible, but it is less likely because EMI interference is typically caused by external sources such as radio frequencies, electrical equipment, or lighting systems. However, if this were the case, then all workstations connected to the same cable would experience connectivity issues, not just a single one.
Option C is also possible, but it is less likely because nightly backups typically occur during off-hours to minimize network congestion, and they do not consume enough bandwidth to cause connectivity issues for a single workstation.
Option D is the most likely cause of the issue because it is a common practice to restrict Internet access for users who violate the AUP. Moreover, the fact that the issue only occurs during the evening hours suggests that the restriction is time-based, which is consistent with an AUP violation.
Therefore, the correct answer is D.
