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Quiz CISA - Trustable Certification Certified Information Systems Auditor Dump

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ISACA Certified Information Systems Auditor Sample Questions (Q486-Q491):

NEW QUESTION # 486
Which of the following is a software application that pretend to be a server on the Internet and is not set up purposely to actively protect against break-ins?

A. Honey pot
B. Bastion host
C. Dual Homed
D. Demilitarize Zone (DMZ)

Answer: A

Explanation:
Section: Protection of Information Assets
Explanation:
A Honey pot is a software application or system that pretends to be a normal server on the internet and it is not set up actively protect against all break-ins. In purpose, some of the updates, patches, or upgrades are missing.
You then monitor the honey pot to learn from the offensive side.
There are two types of honey pot:
High-interaction Honey pots - Essentially gives hacker a real environment to attack. High-interaction honey pots imitate the activities of the production systems that host a variety of services and, therefore, an attacker may be allowed a lot of services to waste his time. According to recent research into high- interaction honey pot technology, by employing virtual machines, multiple honey pots can be hosted on a single physical machine. Therefore, even if the honey pot is compromised, it can be restored more quickly.
In general, high-interaction honey pots provide more security by being difficult to detect, but they are highly expensive to maintain. If virtual machines are not available, one honey pot must be maintained for each physical computer, which can be exorbitantly expensive. Example: Honey net.
Low interaction - Emulate production environment and therefore, provide more limited information. Low- interaction honey pots simulate only the services frequently requested by attackers. Since they consume relatively few resources, multiple virtual machines can easily be hosted on one physical system, the virtual systems have a short response time, and less code is required, reducing the complexity of the virtual system's security. Example: Honeyed.
The following were incorrect answers:
Bastion host - On the Internet, a bastion host is the only host computer that a company allows to be addressed directly from the public network and that is designed to screen the rest of its network from security exposure. DMZ or Demilitarize Zone In computer networks, a DMZ (demilitarized zone) is a computer host or small network inserted as a "neutral zone" between a company's private network and the outside public network. It prevents outside users from getting direct access to a server that has company data. Dual Homed - Dual-homed or dual-homing can refer to either an Ethernet device that has more than one network interface, for redundancy purposes, or in firewall technology, dual-homed is one of the firewall architectures for implementing preventive security.
Dual-Homed - An example of dual-homed devices are enthusiast computing motherboards that incorporate dual Ethernet network interface cards or a firewall with two network interface cards. One facing the external network and one facing the internal network.
Reference:
CISA review manual 2014 Page number 348
http://searchsecurity.techtarget.com/definition/bastion-host http://searchsecurity.techtarget.com/definition/ DMZ
http://en.wikipedia.org/wiki/Honeypot_%28computing%29
http://en.wikipedia.org/wiki/Dual-homed

NEW QUESTION # 487
Which of the following is the BEST reason to implement a data retention policy?

A. To limit the liability associated with storing and protecting information
B. To document business objectives for processing data within the organization
C. To establish a recovery point objective (RPO) for disaster recovery procedures
D. To assign responsibility and owners hip for data protection outside IT

Answer: A

NEW QUESTION # 488
There are many firewall implementations provided by firewall manufacturers. Which of the following implementation utilize two packet filtering routers and a bastion host? This approach creates the most secure firewall system since it supports network and application level security while defining a separate DMZ.

A. Dual Homed firewall
B. Screened subnet firewall
C. Anomaly based firewall
D. Screened host firewall

Answer: B

Explanation:
Explanation/Reference:
In network security, a screened subnet firewall is a variation of the dual-homed gateway and screened host firewall. It can be used to separate components of the firewall onto separate systems, thereby achieving greater throughput and flexibility, although at some cost to simplicity. As each component system of the screened subnet firewall needs to implement only a specific task, each system is less complex to configure.
A screened subnet firewall is often used to establish a demilitarized zone (DMZ).
Below are few examples of Firewall implementations:
Screened host Firewall
Utilizing a packet filtering router and a bastion host, this approach implements a basic network layer security and application server security.
An intruder in this configuration has to penetrate two separate systems before the security of the private network can be compromised This firewall system is configured with the bastion host connected to the private network with a packet filtering router between internet and the bastion host Dual-homed Firewall
A firewall system that has two or more network interface, each of which is connected to a different network In a firewall configuration, a dual homed firewall system usually acts to block or filter some or all of the traffic trying to pass between the network A dual-homed firewall system is more restrictive form of screened-host firewall system Demilitarize Zone (DMZ) or screened-subnet firewall Utilizing two packet filtering routers and a bastion host
This approach creates the most secure firewall system since it supports network and application level security while defining a separate DMZ network Typically, DMZs are configured to limit access from the internet and organization's private network.
The following were incorrect answers:
The other types of firewall mentioned in the option do not utilize two packet filtering routers and a bastion host.
The following reference(s) were/was used to create this question:
CISA review manual 2014 Page number 346

NEW QUESTION # 489
A database administrator (DBA) should be prevented from having end user responsibilities:

A. using an emergency user ID
B. having access to production files
C. having end user responsibilities
D. accessing sensitive information

Answer: C

Explanation:
Explanation
A database administrator (DBA) should be prevented from having end user responsibilities to avoid a conflict of interest and a violation of the principle of segregation of duties. End user responsibilities may include initiating transactions, authorizing transactions, recording transactions or reconciling transactions. A DBA who has end user responsibilities may compromise the integrity, confidentiality and availability of the data and the database systems. Accessing sensitive information, having access to production files and using an emergency user ID are not end user responsibilities, but rather potential risks or controls associated with the DBA role. References:
1: Database Administrator (DBA) Definition
2: Segregation of Duties | ISACA
3: [End User Definition]

NEW QUESTION # 490
An organization has assigned two now IS auditors to audit a now system implementation. One of the auditors has an IT-related degree, and one has a business degree. Which ol the following is MOST important to meet the IS audit standard for proficiency?

A. The standard is met as long as one member has a globally recognized audit certification.
B. The standard is met as long as a supervisor reviews the new auditors' work.
C. Technical co-sourcing must be used to help the new staff.
D. Team member assignments must be based on individual competencies.

Answer: D

Explanation:
Explanation
Team member assignments based on individual competencies is the most important factor to meet the IS audit standard for proficiency. Proficiency is the ability to apply knowledge, skills and experience to perform audit tasks effectively and efficiently. The IS audit standard for proficiency requires that IS auditors must possess the knowledge, skills and discipline to perform audit tasks in accordance with applicable standards, guidelines and procedures. Team member assignments based on individual competencies is a way to ensure that each IS auditor is assigned to audit tasks that match their level of proficiency, and that the audit team as a whole has sufficient and appropriate proficiency to conduct the audit. The other options are not as important as option C, as they do not ensure that the IS auditors have the required proficiency to perform audit tasks. Having a globally recognized audit certification is a way to demonstrate proficiency in IS auditing, but it does not guarantee that the IS auditor has the specific knowledge, skills and experience needed for a particular audit task or system. Technical co-sourcing is a way to supplement the proficiency of the IS audit team by hiring external experts or consultants to perform certain audit tasks or functions, but it does not replace the need for internal IS auditors to have adequate proficiency. Having a supervisor review the new auditors' work is a way to ensure quality and accuracy of the audit work, but it does not ensure that the new auditors have the necessary proficiency to perform audit tasks independently or competently. References: CISA Review Manual (Digital Version) , Chapter 1: Information Systems Auditing Process, Section 1.4: Audit Skills and Competencies.

NEW QUESTION # 491
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