ARP spoofing is a technique that involves sending fake ARP messages to associate an attacker's MAC address with an IP address of a legitimate device on the network. This allows the attacker to intercept, modify, or drop the traffic that is intended for the legitimate device. This is also known as an on-path attack, or a man-in-the-middle attack, because the attacker is positioned between two communicating parties and can alter or manipulate the data. ARP spoofing can be used for various malicious purposes, such as stealing sensitive information, hijacking sessions, redirecting traffic, or launching other attacks. DNS poisoning, DoS attack, and rogue access point are not directly related to ARP spoofing, although they can be used in conjunction with it or as a result of it. DNS poisoning is a technique that involves corrupting the DNS cache of a server or a client with false information, such as mapping a domain name to an IP address of an attacker's server. This can be used to redirect users to malicious websites, phishing pages, or malware downloads. DoS attack is a technique that involves overwhelming a target system or network with excessive requests or traffic, such as SYN floods, ICMP floods, or UDP floods. This can be used to degrade the performance, availability, or functionality of the target system or network. Rogue access point is a wireless access point that is installed or configured without authorization on a network. This can be used to provide unauthorized access to the network, capture network traffic, or launch other attacks. Reference:
ARP Spoofing
On-path Attack
DNS Poisoning
[DoS Attack]
[Rogue Access Point]
[Network + N10-008 practice exam]
[CompTIA N10-008 Free Certification Exam Material]

Crimping the cable as a straight-through cable is the most likely fix for the issue where users are unable to access any network resources after upgrading from Cat 5 to Cat 6 cables. Crimping is a process of attaching connectors to the ends of cables using a tool called a crimper. A straight-through cable is a type of twisted-pair cable that has the same wiring scheme on both ends, meaning that each pin on one end is connected to the same pin on the other end. A straight-through cable is used to connect devices that operate on different layers of the OSI model, such as a computer and a switch, or a switch and a router. If the newly installed cable is crimped with TIA/EIA 568A on one end and TIA/EIA 568B on the other end, it becomes a crossover cable. A crossover cable is a type of twisted-pair cable that has opposite wiring schemes on both ends, meaning that each pin on one end is connected to a different pin on the other end. A crossover cable is used to connect devices that operate on the same layer of the OSI model, such as two computers or two switches. Using a crossover cable instead of a straight-through cable can cause network communication errors or failures. References: [CompTIA Network+ Certification Exam Objectives], Straight Through vs Crossover Cable: What's The Difference?

Explanation
A tamper evident seal is a device or material that provides a visible indication of unauthorized access to physical internal hardware. Tamper evident seals can be stickers, labels, tapes, locks, or seals that are designed to break, tear, or change color when someone tries to open, remove, or tamper with them. Tamper evident seals can help deter and detect physical security breaches, such as theft, vandalism, or sabotage of hardware devices12. Tamper evident seals can also provide evidence for forensic analysis and legal action3.
References
1 - What Is Hardware Security? Definition, Threats, and Best Practices
2 - Device Physical Security Guideline | Information Security Office
3 - What is unauthorized physical access? - Heimduo