Online Access Free GIAC.GXPN.v2025-11-17.q76 Practice Test (Page 15)

What is the purpose of using a syscall in Linux shellcode?
Response:

A.To encrypt communications

B.To generate random numbers

C.To write data to a database

D.To perform operations directly via the kernel

In exploiting Windows vulnerabilities on the stack, what is the purpose of using a ROP chain?
Response:

A.To enable the execution of shellcode despite DEP

B.To conduct a denial of service attack

C.To clear logs and traces of exploitation

D.To obfuscate the malicious payload

When using the Sulley framework for fuzzing, what is an effective strategy to improve code coverage?
Response:

A.Increasing the payload size indiscriminately

B.Using more precise and context-aware test cases

C.Focusing testing on stable software components

D.Decreasing the duration of each test case

Which tool is most commonly used to exploit vulnerabilities in network protocols during penetration tests?
Response:

A.Metasploit

B.Nmap

C.Wireshark

D.Scapy

What technique is essential for writing exploits against canary-protected programs?
Response:

A.Use of NOP sleds

B.Format string vulnerabilities

C.Return-oriented programming (ROP)

D.Buffer overflow in non-executable stacks

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