Exam Code: comptia sy0 401 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: CompTIA Security+ Certification
Certification Provider: CompTIA
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Q21. Which of the following assessments would Pete, the security administrator, use to actively test that an application’s security controls are in place?
A. Code review
B. Penetration test
C. Protocol analyzer
D. Vulnerability scan
Answer: B
Explanation:
Penetration testing (also called pen testing) is the practice of testing a computer system, network or Web application to find vulnerabilities that an attacker could exploit. Pen tests can be automated with software applications or they can be performed manually. Either way, the process includes gathering information about the target before the test (reconnaissance), identifying possible entry points, attempting to break in (either virtually or for real) and reporting back the findings. The main objective of penetration testing is to determine security weaknesses. A pen test can also be used to test an organization's security policy compliance, its employees' security awareness and the organization's ability to identify and respond to security incidents. Penetration tests are sometimes called white hat attacks because in a pen test, the good guys are attempting to break in.
Pen test strategies include:
Targeted testing Targeted testing is performed by the organization's IT team and the penetration testing team working together. It's sometimes referred to as a "lights-turned-on" approach because everyone can see the test being carried out.
External testing This type of pen test targets a company's externally visible servers or devices including domain name servers (DNS), e-mail servers, Web servers or firewalls. The objective is to find out if an outside attacker can get in and how far they can get in once they've gained access.
Internal testing This test mimics an inside attack behind the firewall by an authorized user with standard access privileges. This kind of test is useful for estimating how much damage a disgruntled employee could cause.
Blind testing A blind test strategy simulates the actions and procedures of a real attacker by severely limiting the information given to the person or team that's performing the test beforehand. Typically, they may only be given the name of the company. Because this type of test can require a considerable amount of time for reconnaissance, it can be expensive.
Double blind testing Double blind testing takes the blind test and carries it a step further. In this type of pen test, only one or two people within the organization might be aware a test is being conducted. Double-blind tests can be useful for testing an organization's security monitoring and incident identification as well as its response procedures.
Q22. During a recent investigation, an auditor discovered that an engineer’s compromised workstation was being used to connect to SCADA systems while the engineer was not logged in. The engineer is responsible for administering the SCADA systems and cannot be blocked from connecting to them. The SCADA systems cannot be modified without vendor approval which requires months of testing.
Which of the following is MOST likely to protect the SCADA systems from misuse?
A. Update anti-virus definitions on SCADA systems
B. Audit accounts on the SCADA systems
C. Install a firewall on the SCADA network
D. Deploy NIPS at the edge of the SCADA network
Answer: D
Explanation:
A supervisory control and data acquisition (SCADA) system is an industrial control system (ICS) that is used to control infrastructure processes, facility-based processes, or industrial processes. A network-based IPS (NIPS) is an intrusion detection and prevention system that scans network traffic in real time against a database of attack signatures. It is useful for detecting and responding to network-based attacks originating from outside the organization.
Q23. Which of the following devices would be MOST useful to ensure availability when there are a large number of requests to a certain website?
A. Protocol analyzer
B. Load balancer
C. VPN concentrator
D. Web security gateway
Answer: B
Explanation:
Load balancing refers to shifting a load from one device to another. A load balancer can be implemented as a software or hardware solution, and it is usually associated with a device—a router, a firewall, NAT appliance, and so on. In its most common implementation, a load balancer splits the traffic intended for a website into individual requests that are then rotated to redundant servers as they become available.
Q24. In order to use a two-way trust model the security administrator MUST implement which of the following?
A. DAC
B. PKI
C. HTTPS
D. TPM
Answer: B
Explanation:
PKI is a high level concept. Within a PKI you use a trust model to set up trust between Certification
Authorities (CAs).
A public key infrastructure (PKI) is a set of hardware, software, people, policies, and procedures
needed to create, manage, distribute, use, store, and revoke digital certificates.
Q25. Human Resources (HR) would like executives to undergo only two specific security training programs a year. Which of the following provides the BEST level of security training for the executives? (Select TWO).
A. Acceptable use of social media
B. Data handling and disposal
C. Zero day exploits and viruses
D. Phishing threats and attacks
E. Clean desk and BYOD
F. Information security awareness
Answer: D,F
Explanation:
Managers/ i.e. executives in the company are concerned with more global issues in the organization, including enforcing security policies and procedures. Managers should receive additional training or exposure that explains the issues, threats, and methods of dealing with threats. Management will also be concerned about productivity impacts and enforcement and how the various departments are affected by security policies. Phishing is a form of social engineering in which you ask someone for a piece of information that you are missing by making it look as if it is a legitimate request. An email might look as if it is from a bank and contain some basic information, such as the user’s name. Executives an easily fall prey to phishing if they are not trained to lookout for these attacks.
Q26. In intrusion detection system vernacular, which account is responsible for setting the security policy for an organization?
A. Supervisor
B. Administrator
C. Root
D. Director
Answer: B
Explanation:
The administrator is the person responsible for setting the security policy for an organization and is responsible for making decisions about the deployment and configuration of the IDS.
Q27. Which of the following types of data encryption would Matt, a security administrator, use to encrypt a specific table?
A. Full disk
B. Individual files
C. Database
D. Removable media
Answer: C
Explanation:
A table is stored in a database. Database encryption makes use of cryptography functions that are built into the database software to encrypt the data stored in the database. This often offers granular encryption options which allows for the encryptions of the entire database, specific database tables, or specific database fields, such as a credit card number field.
Q28. After a new firewall has been installed, devices cannot obtain a new IP address. Which of the following ports should Matt, the security administrator, open on the firewall?
A. 25
B. 68
C. 80
D. 443
Answer: B
Explanation:
The Dynamic Host Configuration Protocol (DHCP) is a standardized network protocol used on Internet Protocol (IP) networks for distributing IP addresses for interfaces and services. DHCP makes use of port 68.
Q29. Which of the following helps to apply the proper security controls to information?
A. Data classification
B. Deduplication
C. Clean desk policy
D. Encryption
Answer: A
Explanation:
Information classification is done by confidentiality and comprises of three categories, namely: public use, internal use and restricted use. These categories make applying the appropriate policies and security controls practical.
Q30. A company plans to expand by hiring new engineers who work in highly specialized areas. Each engineer will have very different job requirements and use unique tools and applications in their job. Which of the following is MOST appropriate to use?
A. Role-based privileges
B. Credential management
C. User assigned privileges
D. User access
Answer: A
Explanation:
