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Exam of 7 pages for the course GFACT at GFACT (GFACT Review)
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GFACT ReviewHow is integer overflow/underflow mitigated? - answer Checking that the result of any
change to a signed integer falls within an allowed range.
In which file are password hashes stored on a modern Linux system? -
answer/ect/shadow
Which of the following is a network load balancer function? - answer Load balancers are
a service that distribute traffic evenly across multiple containers or instances.
A CDN distributes content based on location. A reverse proxy forwards requests to
backend hosts. A container service such as ECS manages and scales containers to
meet demand.
Network Load Balancer - answer Used to route TCP or UDP traffic.
Application Load Balancer - answer Used to route HTTP or HTTPS
What can an Apache server administrator do to prevent version information from
leaking?
A) Run Apache as a non-root user
B) Enable HTTPS
C) Set permission on /var/www/html to 700
D) Disable the banner - answerDisable the Banner
Depending on the webserver, Apache or Nginx will output their version number and
some basic configuration information. For example, in Apache this is called the
'signature'. This information can be valuable to attackers as it can leak what the
specified version is running on the server. This specified version may be vulnerable to a
specific exploit.
What can be inferred from the following Linux terminal command?
bobuser@ubuntu: ~$ sudo cat /ect/passwd - answerA normal account is attempting to
view contents of a file with root privileges
What is the process of preserving and evaluating electronic data in order to reconstruct
prior events? - answerDigital Forensics
, Which computer component manages ongoing access to a computer's shared RAM and
drive storage resources? - answerKernel
The Kernel is responsible for loading programs, handling input and output between
peripherals, and managing access to the computers shared hardware resources
Which of the following describes the files store under /etc folder in Linux? -
answerConfiguration Data
Which of the following programming languages is commonly used for website
development? - answerJavaScript
Other languages used for website:
PHP
Python
JAVA
Perl
ASP
Ruby
Go
What is found at the bottom of a stack frame when a function is called? - answerReturn
Pointer
During which stage of incident response might a mass password reset for every account
on the network be performed? - answerRecovery
Which assembly register keeps track of the next instruction code to execute? -
answerEIP
What type of attack is being attempted with the below URL?
http://www.theforce.org/view.php?page=%2e%2e%2f%2e%2e%2fproc/mounts -
answerDirectory Traversal
The URL is attempting to naviagate to ../../../proc/mounts which is a Directory Traversal
attack. This takes advantage of a flaw which allows an attacker to move outside the
normal path.
Which feature or a CPU enables it to offer the user access to multiple applications at the
same time, even while executing a single instruction at a time. - answerContext
Switching
Allows a single processor to appear to perform several processes at once. The clock
speed and ALU type are irrelevant and the number of cores allows multiple instruction
to be executed at a time
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