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Q171. Which of the following offerings typically allows the customer to apply operating system patches? 

A. Software as a service 

B. Public Clouds 

C. Cloud Based Storage 

D. Infrastructure as a service 

Answer:

Explanation: 

Cloud users install operating-system images and their application software on the cloud infrastructure to deploy their applications. In this model, the cloud user patches and maintains the operating systems and the application software. 

Q172. A company has proprietary mission critical devices connected to their network which are configured remotely by both employees and approved customers. The administrator wants to monitor device security without changing their baseline configuration. Which of the following should be implemented to secure the devices without risking availability? 

A. Host-based firewall 

B. IDS 

C. IPS 

D. Honeypot 

Answer:

Explanation: 

Q173. The system administrator has deployed updated security controls for the network to limit risk of attack. The security manager is concerned that controls continue to function as intended to maintain appropriate security posture. 

Which of the following risk mitigation strategies is MOST important to the security manager? 

A. User permissions 

B. Policy enforcement 

C. Routine audits 

D. Change management 

Answer:

Explanation: 

After you have implemented security controls based on risk, you must perform routine audits. These audits should include reviews of user rights and permissions as well as specific events. You should pay particular attention to false positives and negatives. 

Q174. A technician wants to securely collect network device configurations and statistics through a scheduled and automated process. Which of the following should be implemented if configuration integrity is most important and a credential compromise should not allow interactive logons? 

A. SNMPv3 

B. TFTP 

C. SSH 

D. TLS 

Answer:

Explanation: 

Q175. Sara, a security administrator, manually hashes all network device configuration files daily and compares them to the previous days’ hashes. Which of the following security concepts is Sara using? 

A. Confidentiality 

B. Compliance 

C. Integrity 

D. Availability 

Answer:

Explanation: 

Integrity means the message can’t be altered without detection. 

Q176. A company hires outside security experts to evaluate the security status of the corporate network. All of the company’s IT resources are outdated and prone to crashing. The company requests that all testing be performed in a way which minimizes the risk of system failures. Which of the following types of testing does the company want performed? 

A. Penetration testing 

B. WAF testing 

C. Vulnerability scanning 

D. White box testing 

Answer:

Explanation: 

Vulnerability scanning has minimal impact on network resource due to the passive nature of the scanning. 

A vulnerability scan is the process of scanning the network and/or I.T. infrastructure for threats and vulnerabilities. The threats and vulnerabilities are then evaluated in a risk assessment and the necessary actions taken to resolve and vulnerabilities. A vulnerability scan scans for known weaknesses such as missing patches or security updates. 

A vulnerability scan is the automated process of proactively identifying security vulnerabilities of computing systems in a network in order to determine if and where a system can be exploited and/or threatened. While public servers are important for communication and data transfer over the Internet, they open the door to potential security breaches by threat agents, such as malicious hackers. Vulnerability scanning employs software that seeks out security flaws based on a database of known flaws, testing systems for the occurrence of these flaws and generating a report of the findings that an individual or an enterprise can use to tighten the network's security. 

Q177. Which of the following is BEST utilized to actively test security controls on a particular system? 

A. Port scanning 

B. Penetration test 

C. Vulnerability scanning 

D. Grey/Gray box 

Answer:

Explanation: 

Penetration testing is the most intrusive type of testing because you are actively trying to circumvent the system’s security controls to gain access to the system. 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. 

Q178. The IT department noticed that there was a significant decrease in network performance during the afternoon hours. The IT department performed analysis of the network and discovered this was due to users accessing and downloading music and video streaming from social sites. The IT department notified corporate of their findings and a memo was sent to all employees addressing the misuse of company resources and requesting adherence to company policy. Which of the following policies is being enforced? 

A. Acceptable use policy 

B. Telecommuting policy 

C. Data ownership policy 

D. Non disclosure policy 

Answer:

Explanation: 

Q179. CORRECT TEXT 

Answer: Use the following answer for this simulation task. 

Explanation: 

Firewall rules act like ACLs, and they are used to dictate what traffic can pass between the firewall and the internal network. Three possible actions can be taken based on the rule’s criteria: Block the connection Allow the connection Allow the connection only if it is secured 

TCP is responsible for providing a reliable, one-to-one, connection-oriented session. TCP establishes a connection and ensures that the other end receives any packets sent. Two hosts communicate packet results with each other. TCP also ensures that packets are decoded and sequenced properly. This connection is persistent during the session. When the session ends, the connection is torn down. UDP provides an unreliable connectionless communication method between hosts. UDP is considered a best-effort protocol, but it’s considerably faster than TCP. The sessions don’t establish a synchronized session like the kind used in TCP, and UDP doesn’t guarantee error-free communications. The primary purpose of UDP is to send small packets of information. The application is responsible for acknowledging the correct reception of the data. Port 22 is used by both SSH and SCP with UDP. Port 443 is used for secure web connections – HTTPS and is a TCP port. Thus to make sure only the Accounting computer has HTTPS access to the Administrative server you should use TCP port 443 and set the rule to allow communication between 10.4.255.10/24 (Accounting) and 10.4.255.101 (Administrative server1) Thus to make sure that only the HR computer has access to Server2 over SCP you need use of TCP port 22 and set the rule to allow communication between 10.4.255.10/23 (HR) and 10.4.255.2 (server2) Thus to make sure that the IT computer can access both the Administrative servers you need to use a port and accompanying port number and set the rule to allow communication between: 

10.4.255.10.25 (IT computer) and 10.4.255.101 (Administrative server1) 10.4.255.10.25 (IT computer) and 10.4.255.102 (Administrative server2) 

References: 

Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, Sixth Edition, Sybex, 

Indianapolis, 2014, pp 77, 83, 96, 157. 

Q180. Which of the following is a penetration testing method? 

A. Searching the WHOIS database for administrator contact information 

B. Running a port scanner against the target's network 

C. War driving from a target's parking lot to footprint the wireless network 

D. Calling the target's helpdesk, requesting a password reset 

Answer:

Explanation: