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Latest update CompTIA SY0-501 exam questions and answers online practice test
QUESTION 1
A systems administrator wants to implement a wireless protocol that will allow the organization to authenticate mobile
devices prior to providing the user with a captive portal login. Which of the following should the systems administrator
configure?
A. L2TP with MAC filtering
B. EAP-TTLS
C. WPA2-CCMP with PSK
D. RADIUS federation
Correct Answer: D
RADIUS generally includes 802.1X that pre-authenticates devices.
QUESTION 2
An attacker captures the encrypted communication between two parties for a week, but is unable to decrypt the
messages. The attacker then compromises the session key during one exchange and successfully compromises a
single message. The attacker plans to use this key to decrypt previously captured and future communications, but is
unable to. This is because the encryption scheme in use adheres to:
A. Asymmetric encryption
B. Out-of-band key exchange
C. Perfect forward secrecy
D. Secure key escrow
Correct Answer: C
QUESTION 3
A security administrator is implementing a new WAF solution and has placed some of the web servers behind the WAF,
with the WAF set to audit mode. When reviewing the audit logs of external requests and posts to the web servers, the
administrator finds the following entry:
Based on this data, which of the following actions should the administrator take?
A. Alert the web server administrators to a misconfiguration.
B. Create a blocking policy based on the parameter values.
C. Change the parameter name `Account_Name\\’ identified in the log.
D. Create an alert to generate emails for abnormally high activity.
Correct Answer: D
QUESTION 4
An organization would like to set up a more robust network access system. The network administrator suggests the
organization move to a certificate-based authentication setup in which a client-side certificate is used while connecting.
Which of the following EAP types should be used to meet these criteria?
A. EAP-TLS
B. EAP-FAST
C. EAP-MD5
D. EAP-TTLS
Correct Answer: A
QUESTION 5
A security analyst wants to verify that a client-server (non-web) application is sending encrypted traffic. Which of the
following should the analyst use?
A. openssl
B. hping
C. netcat
D. tcpdump
Correct Answer: D
QUESTION 6
A security analyst is determining the point of compromise after a company was hacked. The analyst checks the server
logs and sees that a user account was logged in at night, and several large compressed files were exfiltrated. The
analyst then discovers the user last logged in four years ago and was terminated. Which of the following should the
security analyst recommend to prevent this type of attack in the future? (Choose two.)
A. Review and update the firewall settings
B. Restrict the compromised user account
C. Disable all user accounts that are not logged in to for 180 days
D. Enable a login banner prohibiting unauthorized use
E. Perform an audit of all company user accounts
F. Create a honeypot to catch the hacker
Correct Answer: BE
QUESTION 7
An analyst generates the following color-coded table shown in the exhibit to help explain the risk of potential incidents in
the company. The vertical axis indicates the likelihood or an incident, while the horizontal axis indicates the impact.
Which of the following is this table an example of?
A. Internal threat assessment
B. Privacy impact assessment
C. Qualitative risk assessment
D. Supply chain assessment
Correct Answer: C
QUESTION 8
An organization\\’s employees currently use three different sets of credentials to access multiple internal resources.
Management wants to make this process less complex. Which of the following would be the BEST option to meet this
goal?
A. Transitive trust
B. Single sign-on
C. Federation
D. Secure token
Correct Answer: B
QUESTION 9
For each of the given items, select the appropriate authentication category from the drop down choices.
Select the appropriate authentication type for the following items:
Hot Area:
Correct Answer:
Biometrics refers to a collection of physical attributes of the human body that can be used as identification or an
authentication factor. Fingerprints and retinas are physical attributes of the human body.
Two types of tokens exist, Time-based one-time password (TOTP) tokens and HMACbased one-time password
(HOTP). TOTP tokens generate passwords at fixed time intervals, whereas HOTP tokens generate passwords not
based on fixed
time intervals but instead based on a non-repeating one-way function, such as a hash or HMAC operation.
Smart cards can have Multi-factor and proximity authentication embedded into it.
PAP allows for two entities to share a password in advance and use the password as the basis of authentication. The
same goes for PIN numbers.
References:
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 282, 285
http://en.wikipedia.org/wiki/Password_authentication_protocol#Working_cycle
http://en.wikipedia.org/wiki/Smart_card#Security
QUESTION 10
An organization has the following password policies:
Passwords must be at least 16 characters long.
A password cannot be the same as any previous 20 passwords.
Three failed login attempts will lock the account for five minutes.
Passwords must have one uppercase letter, one lowercase letter, and one non- alphanumeric symbol.
A database server was recently breached, and the incident response team suspects the passwords were compromised.
Users with permission on that database server were forced to change their passwords for that server. Unauthorized and
suspicious logins are now being detected on a completely separate server. Which of the following is MOST likely the
issue and the best solution?
A. Some users are reusing passwords for different systems; the organization should scan for password reuse across
systems.
B. The organization has improperly configured single sign-on; the organization should implement a RADIUS server to
control account logins.
C. User passwords are not sufficiently long or complex: the organization should increase the complexity and length
requirements for passwords.
D. The trust relationship between the two servers has been compromised: the organization should place each server on
a separate VLAN.
Correct Answer: A
QUESTION 11
Which of the following BEST explains the difference between a credentialed scan and a non- credentialed scan?
A. A credentialed scan sees devices in the network, including those behind NAT, while a non- credentialed scan sees
outward-facing applications.
B. A credentialed scan will not show up in system logs because the scan is running with the necessary authorization,
while non-credentialed scan activity will appear in the logs.
C. A credentialed scan generates significantly more false positives, while a non-credentialed scan generates fewer false
positives
D. A credentialed scan sees the system the way an authorized user sees the system, while a non- credentialed scan
sees the system as a guest.
Correct Answer: D
QUESTION 12
Which of the following controls does a mantrap BEST represent?
A. Deterrent
B. Detective
C. Physical
D. Corrective
Correct Answer: C
QUESTION 13
A recent internal audit is forcing a company to review each internal business unit\\’s VMs because the cluster they are
installed on is in danger of running out of computer resources. Which of the following vulnerabilities exist?
A. Buffer overflow
B. End-of-life systems
C. System sprawl
D. Weak configuration
Correct Answer: C
QUESTION 14
A company is allowing a BYOD policy for its staff. Which of the following is a best practice that can decrease the risk of
users jailbreaking mobile devices?
A. Install a corporately monitored mobile antivirus on the devices.
B. Prevent the installation of applications from a third-party application store.
C. Build a custom ROM that can prevent jailbreaking.
D. Require applications to be digitally signed.
Correct Answer: D
QUESTION 15
An audit has revealed that database administrators are also responsible for auditing database changes and backup
logs. Which of the following access control methodologies would BEST mitigate this concern?
A. Time of day restrictions
B. Principle of least privilege
C. Role-based access control
D. Separation of duties
Correct Answer: D
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