GCIA Question #28: Real Exam Question with Answer & Explanation

The correct answer is A. By launching Sequence++ attack B. Route table poisoning D. By launching Max Age attack. Routers are most commonly compromised through technical protocol-level attacks such as sequence number manipulation, route table poisoning, and timer-based STP attacks, not through human-targeted social engineering.

Question

By gaining full control of router, hackers often acquire full control of the network. Which of the following methods are commonly used to attack Routers? Each correct answer represents a complete solution. Choose all that apply.

Options

ABy launching Sequence++ attack
BRoute table poisoning
CBy launching Social Engineering attack
DBy launching Max Age attack

Explanation

Routers are most commonly compromised through technical protocol-level attacks such as sequence number manipulation, route table poisoning, and timer-based STP attacks, not through human-targeted social engineering.

Common mistakes.

C. Social engineering manipulates human operators into revealing passwords or performing unsafe actions; it does not directly exploit any router protocol, firmware, or hardware, so it is not a method used to attack the router itself.

Concept tested. Common technical methods used to attack routers

Reference. https://www.cisco.com/c/en/us/support/docs/ip/access-lists/13608-21.html

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