WGU D385: LOGGING AND SECURITY ISSUES 2024 EDITION
COMPLETE COMPREHENSIVE QUESTIONS AND VERIFIED
ANSWERS [GET IT 100%] NEWEST UPDATE
What do system monitoring and review of audit trails provide? - (correct answer) -
Accountability
What are the logging levels and values? - (correct answer) - DEBUG = 10
- INFO = 20
- WARNING = 30
- ERROR = 40
- CRITICAL = 50
Which logging function may indicate an impending full disk? - (correct answer) -
WARNING
- indicates that there could be a problem in the immediate future
What are some common debugging techniques? - (correct answer) - printing out
values of variables
- changing the state ("path") of the program to make it do different things
- stepping through the execution of a program line by line
- breakpoints
- trace points
- stopping the program at certain events
- viewing the output of a program in a debugger window
What are some Python debugging tools? - (correct answer) - pdb: most commonly
used
- Web-PDB
- wdb
- Pyflame
- objgraph
XML External Entity Attacks - (correct answer) - XXE
- when attackers exploit an XML parser to read arbitrary files on your server
- attackers might also be able to read config files, retrieve user information
Insecure Deserialization - (correct answer) - serialization is the conversion of an
object in a programming language is saved into a format that can be saved to a
database
- DEserialization is when a serialized object is read from a file or the network and
converted back into an object
- INSECURE DESERIALIZATION occurs when an attacker can manipulate the
serialized object and achieve authentication bypass, DOS, or arbitrary code execution
, Injection Attacks - (correct answer) - when an application cannot properly distinguish
between untrusted user data and code
- typically allows for arbitrary code execution
Log Injection Attack Mitigation - (correct answer) - prefixing log entries with meta-
data (i.e. timestamp)
- validate the entry before accessing or opening
Sensitive Data Leaks - (correct answer) - occurs when an application fails to
properly protect sensitive information
- this typically occurs through descriptive response headers, descriptive error messages
with stack traces or database error messages, or revealing comments in HTML files
Cross-site Request Forgery - (correct answer) - client-side technique used to attack
other users of a web application
- attackers send HTTP requests that pretend to come from the victim
- attackers then carry out unwanted actions such as changing a password or
transferring money from a bank account
CSRF Mitigation - (correct answer) - CSRF tokens
- SameSite cookies
- avoid using GET requests for state-changing actions
SSRF - (correct answer) - Server-side Request Forgery
- attacker us able to send requests on behalf of the server
- allows attackers to forge the request signature and assume a privileged position on a
network, bypassing firewall controls, and gaining access to internal services
SSRF Mitigation - (correct answer) - never make outbound requests based on user
input
- validate external addresses before initiating any outbound requests
PDB - (correct answer) - debugger built into the Python standard library
Which three actions are supported by the Python Debugger (PDB)? (Choose 3
answers.) - (correct answer) - establishing breakpoints
- code step throughs
- stack tracing
Which three debugging techniques require the use of a debugger? (Choose 3 answers.)
- (correct answer) - trace points
- breakpoints
- code step through
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