CompTIA Security+ SY0-601 Practice Questions
with 100% correct Answers
The user installed Trojan horse malware. -Answer- A user used an administrator
account to download and install a software application. After the u
...
CompTIA Security+ SY0-601 Practice Questions
with 100% correct Answers
The user installed Trojan horse malware. -Answer- A user used an administrator
account to download and install a software application. After the user launched the .exe
extension installer file, the user experienced frequent crashes, slow computer
performance, and strange services running when turning on the computer. What most
likely happened to cause these issues?
A worm -Answer- A security operations center (SOC) analyst investigates the
propagation of a memory-resident virus across the network and notices a rapid
consumption of network bandwidth, causing a Denial of Service (DoS). What type of
virus is this?
PUP (potentially unwanted program) -Answer- A user purchased a laptop from a local
computer shop. After powering on the laptop for the first time, the user noticed a few
programs like Norton Antivirus asking for permission to install. How would an IT security
specialist classify these programs?
-Uses lightweight shellcode
-Uses low observable characteristic attacks -Answer- A fileless malicious software can
replicate between processes in memory on a local host or over network shares. What
other behaviors and techniques would classify malware as fileless rather than a normal
virus? (Select all that apply.)
-Computer Bots,
-Command & Control -Answer- An attacker is planning to set up a backdoor that will
infect a set of specific computers at an organization, to inflict a set of other intrusion
attacks remotely. Which of the following will support the attackers' plan? (Select all that
apply.)
-Launch a Distributed Denial of Service (DDoS) attack
-Establish a connection with a Command and Control server
-Launch a mass-mail spam attack -Answer- If a user's computer becomes infected with
a botnet, which of the following can this compromise allow the attacker to do? (Select all
that apply.)
Have up-to-date backups. -Answer- If a user's device becomes infected with cryptomalware, which of the following is the best way to mitigate this compromise?
A logic bomb -Answer- A security specialist discovers a malicious script on a computer.
The script is set to execute if the administrator's account becomes disabled. What type
of malware did the specialist discover?
Spyware infected the computers. -Answer- End-users at an organization contact the
cybersecurity department. After downloading a file, they are being redirected toshopping websites they did not intend to navigate to, and built-in webcams turn on. The
security team confirms the issue as malicious, and notes modified DNS (Domain Name
System) queries that go to nefarious websites hosting malware. What most likely
happened to the users' computers?
A Remote Access Trojan (RAT) -Answer- An attacker installs Trojan malware that can
execute remote backdoor commands, such as the ability to upload files and install
software to a victim PC. What type of Trojan malware is this?
Password spraying attack -Answer- A hacker is trying to gain remote access to a
company computer by trying brute force password attacks using a few common
passwords in conjunction with multiple usernames. What specific type of password
attack is the hacker most likely performing?
-A rainbow table
-A dictionary word -Answer- An attacker can exploit a weakness in a password protocol
to calculate the hash of a password. Which of the following can the attacker match the
hash to, as a means to obtain the password? (Select all that apply.)
A rainbow table attack -Answer- Which of the following attacks do security professionals
expose themselves to, if they do not salt passwords with a random value?
Clone it. -Answer- How can an attacker make unauthorized use of acquired user and
account details from a user's smart card?
Skimming -Answer- What type of attack is occurring when a counterfeit card reader is in
use?
Cross-site scripting (XSS) -Answer- An attacker discovered an input validation
vulnerability on a website, crafted a URL with additional HTML code, and emailed the
link to a victim. The victim unknowingly defaced (vandalized) the web site after clicking
on the malicious URL. No other malicious operations occurred outside of the web
application's root directory. This scenario is describing which type of attack?
DLL injection -Answer- An attacker escalated privileges to a local administrator and
used code refactoring to evade antivirus detection. The attacker then allowed one
process to attach to another and forced the operating system to load a malicious binary
package. What did the attacker successfully perform?
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