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Understanding functional and technical aspects of Certified Network Defender Business Principles and Practices
The following will be discussed in ECCOUNCIL EC 312-38 exam dumps:
- Best practices in secure management protocols (e.g. encrypted management HTTPS, SNMPv3, SSH2, VPN and password management)
- Perform application testing to validate WLAN performance (CHAPTER 12)
- Locate and identify sources of RF interference (CHAPTER 12)
- Wireless Intrusion Prevention System (WIPS) and/or rogue AP detection
- Identify sources of RF interference from non-802.11 wireless devices based on the investigation of airtime and frequency utilization
- Protocol and spectrum analyzers
- Verify and document that design requirements are met including coverage, throughput, roaming, and connectivity with a post-implementation validation survey (CHAPTER 12)
EC-COUNCIL 312-38 exam is a comprehensive exam that covers a broad range of topics related to network security. It requires individuals to have a deep understanding of network security concepts, as well as the ability to apply those concepts in real-world situations. 312-38 exam is designed to test individuals’ knowledge and skills in a variety of areas, including network security design, implementation, and management.
NEW QUESTION # 119
Which of the following network scanning tools is a TCP/UDP port scanner that works as a ping sweeper and hostname resolver?
- A. SuperScan
- B. Netstat
- C. Nmap
- D. Hping
Answer: A
Explanation:
SuperScan is a TCP/UDP port scanner. It also works as a ping sweeper and hostname resolver. It
can ping a given range of IP addresses and resolve the host name of the remote system.
The features of SuperScan are as follows:
It scans any port range from a built-in list or any given range.
It performs ping scans and port scans using any IP range.
It modifies the port list and port descriptions using the built in editor.
It connects to any discovered open port using user-specified "helper" applications.
It has the transmission speed control utility.
Answer option D is incorrect. Nmap is a free open-source utility for network exploration and security auditing. It is used to discover computers and services on a computer network, thus creating a "map" of the network. Just like many simple port scanners, Nmap is capable of discovering passive services. In addition, Nmap may be able to determine various details about the remote computers. These include operating system, device type, uptime, software product used to run a service, exact version number of that product, presence of some firewall techniques and, on a local area network, even vendor of the remote network card. Nmap runs on Linux, Microsoft Windows, etc. Answer option C is incorrect. Netstat (network statistics) is a command-line tool that displays network connections (both incoming and outgoing), routing tables, and a number of network interface statistics. It is available on Unix, Unix-like, and Windows NT-based operating systems. It is used to find problems on the network and to determine the amount of traffic on the network as a performance measurement. Answer option A is incorrect. Hping is a free packet generator and analyzer for the TCP/IP protocol. Hping is one of the de facto tools for security auditing and testing of firewalls and networks. The new version of hping, hping3, is scriptable using the Tcl language and implements an engine for string based, human readable description of TCP/IP packets, so that the programmer can write scripts related to low level TCP/IP packet manipulation and analysis in very short time. Like most tools used in computer security, hping is useful to both system administrators and crackers (or script kiddies).
NEW QUESTION # 120
CORRECT TEXT
Fill in the blank with the appropriate word. The ____________________risk analysis process analyzes the effect of a risk event deriving a numerical value.
Answer:
Explanation:
quantitative
Explanation:
Quantitative risk analysis is a process to assess the probability of achieving particular project objectives, to quantify the effect of risks on the whole project objective, and to prioritize the risks based on the impact to the overall project risk. The quantitative risk analysis process analyzes the effect of a risk event deriving a numerical value. It also presents a quantitative approach to build decisions in the presence of uncertainty. The inputs for quantitative risk analysis are as follows: Organizational process assets Project scope statement Risk management plan Risk register Project management plan
NEW QUESTION # 121
DRAG DROP
Drag and drop the Response management plans to match up with their respective purposes.
Select and Place:
Answer:
Explanation:
NEW QUESTION # 122
Which of the following protocols uses a control channel over TCP and a GRE tunnel operating to encapsulate PPP packets?
- A. LWAPP
- B. ESP
- C. PPTP
- D. SSTP
Answer: C
Explanation:
The Point-to-Point Tunneling Protocol (PPTP) is a method for implementing virtual private networks. PPTP uses a control channel over TCP and a GRE tunnel operating to encapsulate PPP packets. The PPTP specification does not describe encryption or authentication features and relies on the PPP protocol being tunneled to implement security functionality. However, the most common PPTP implementation, shipping with the Microsoft Windows product families, implements various levels of authentication and encryption natively as standard features of the Windows PPTP stack. The intended use of this protocol is to provide similar levels of security and remote access as typical VPN products. Answer option B is incorrect. Encapsulating Security Payload (ESP) is an IPSec protocol that provides confidentiality, in addition to authentication, integrity, and anti-replay. ESP can be used alone or in combination with Authentication Header (AH). It can also be nested with the Layer Two Tunneling Protocol (L2TP). ESP does not sign the entire packet unless it is being tunneled. Usually, only the data payload is protected, not the IP header. Answer option D is incorrect. Secure Socket Tunneling Protocol (SSTP) is a form of VPN tunnel that provides a mechanism to transport PPP or L2TP traffic through an SSL 3.0 channel. SSL provides transport-level security with key-negotiation, encryption, and traffic integrity checking. The use of SSL over TCP port 443 allows SSTP to pass through virtually all firewalls and proxy servers.SSTP servers must be authenticated during the SSL phase. SSTP clients can optionally be authenticated during the SSL phase, and must be authenticated in the PPP phase. The use of PPP allows support for common authentication methods, such as EAP-TLS and MS-CHAP. SSTP is available in Windows Server 2008, Windows Vista SP1, and later operating systems. It is fully integrated with the RRAS architecture in these operating systems, allowing its use with Winlogon or smart card authentication, remote access policies, and the Windows VPN client. Answer option C is incorrect. LWAPP (Lightweight Access Point Protocol) is a protocol used to control multiple Wi-Fi wireless access points at once. This can reduce the amount of time spent on configuring, monitoring, or troubleshooting a large network. This also allows network administrators to closely analyze the network.
NEW QUESTION # 123
How is application whitelisting different from application blacklisting?
- A. It allows execution of untrusted applications in an isolated environment
- B. It rejects all applications other than the allowed applications
- C. It allows all applications other than the undesirable applications
- D. It allows execution of trusted applications in a unified environment
Answer: B
NEW QUESTION # 124
Which of the following OSI layers is sometimes called the syntax layer?
- A. Physical layer
- B. Application layer
- C. Data link layer
- D. Presentation layer
Answer: D
NEW QUESTION # 125
Identify the correct statements regarding a DMZ zone:
- A. It is a Neutral zone between a trusted network and an untrusted network
- B. It includes sensitive internal servers such as database servers
- C. It is a file integrity monitoring mechanism
- D. It serves as a proxy
Answer: A
NEW QUESTION # 126
Which of the following tools is a free laptop tracker that helps in tracking a user's laptop in case it gets stolen?
- A. Adeona
- B. Nessus
- C. SAINT
- D. Snort
Answer: A
Explanation:
Adeona is a free laptop tracker that helps in tracking a user's laptop in case it gets stolen. All it takes is to install the Adeona software client on the user's laptop, pick a password, and make it run in the background. If at one point, the user's laptop gets stolen and is connected to the Internet, the Adeona software sends the criminal's IP address. Using the Adeona Recovery, the IP address can then be retrieved. Knowing the IP address helps in tracking the geographical location of the stolen device. Answer option D is incorrect. Nessus is proprietary comprehensive vulnerability scanning software. It is free of charge for personal use in a non-enterprise environment. Its goal is to detect potential vulnerabilities on tested systems. It is capable of checking various types of vulnerabilities, some of which are as follows:Vulnerabilities that allow a remote cracker to control or access sensitive data on a system Misconfiguration (e.g. open mail relay, missing patches, etc)Default passwords, a few common passwords, and blank/absent passwords on some system accounts. Nessus can also call Hydra (an external tool) to launch a dictionary attack.Denials of service against the TCP/IP stack by using mangled packets Answer option A is incorrect. SAINT stands for System Administrator's Integrated Network Tool. It is computer software used for scanning computer networks for security vulnerabilities, and exploiting found vulnerabilities. The SAINT scanner screens every live system on a network for TCP and UDP services. For each service it finds running, it launches a set of probes designed to detect anything that could allow an attacker to gain unauthorized access, create a denial-ofservice, or gain sensitive information about the network. Answer option C is incorrect. Snort is an open source network intrusion detection system. The Snort application analyzes network traffic in realtime mode. It performs packet sniffing, packet logging, protocol analysis, and a content search to detect a variety of potential attacks.
NEW QUESTION # 127
Harry has sued the company claiming they made his personal information public on a social networking site in the United States. The company denies the allegations and consulted a/an
______for legal advice to defend them against this allegation.
- A. PR Specialist
- B. Attorney
- C. Evidence Manager
- D. Incident Handler
Answer: B
NEW QUESTION # 128
Frank is a network technician working for a medium-sized law firm in Memphis. Frank and two other IT employees take care of all the technical needs for the firm. The firm's partners have asked that a secure wireless network be implemented in the office so employees can move about freely without being tied to a network cable. While Frank and his colleagues are familiar with wired Ethernet technologies, 802.3, they are not familiar with how to setup wireless in a business environment. What IEEE standard should Frank and the other IT employees follow to become familiar with wireless?
- A. The IEEE standard covering wireless is 802.9 and they should follow this.
- B. They should follow the 802.11 standard
- C. Frank and the other IT employees should follow the 802.1 standard.
- D. 802.7 covers wireless standards and should be followed
Answer: B
NEW QUESTION # 129
Which of the following is an attack on a website that changes the visual appearance of the site and seriously damages the trust and reputation of the website?
- A. Buffer overflow
- B. Spoofing
- C. Zero-day attack
- D. Website defacement
Answer: D
NEW QUESTION # 130
Adam works as a Professional Penetration Tester. A project has been assigned to him to test the vulnerabilities of the CISCO Router of Umbrella Inc. Adam finds out that HTTP Configuration Arbitrary Administrative Access Vulnerability exists in the router. By applying different password cracking tools, Adam gains access to the router. He analyzes the router config file and notices the following lines:
logging buffered errors
logging history critical
logging trap warnings
logging 10.0.1.103
By analyzing the above lines, Adam concludes that this router is logging at log level 4 to the syslog server
10.0.1.103. He decides to change the log level from 4 to 0.
Which of the following is the most likely reason of changing the log level?
- A. Changing the log level grants access to the router as an Administrator.
- B. Changing the log level from 4 to 0 will result in the termination of logging. This way the modification in the router is not sent to the syslog server.
- C. By changing the log level, Adam can easily perform a SQL injection attack.
- D. Changing the log level from 4 to 0 will result in the logging of only emergencies. This way the modification in the router is not sent to the syslog server.
Answer: D
Explanation:
The Router Log Level directive is used by the sys log server to specify the level of severity of the log. This directive is used to control the types of errors that are sent to the error log by constraining the severity level.
Eight different levels are present in the Log Level directive, which are shown below in order of their descending significance:
Number Level Description
0emergEmergencies - system is unusable
1alertAction must be taken immediately
2critCritical Conditions
3errorError conditions
4warnWarning conditions
5notice Normal but significant condition
6infoInformational
7debug Debug-level messages
Note: When a certain level is specified, the messages from all other levels of higher significance will also be reported. For example, when Log Level crit is specified, then messages with log levels of alert and emerg will also be reported.
NEW QUESTION # 131
Which subdirectory in /var/log directory stores information related to Apache web server?
- A. /var/log/apachelog/
- B. /var/log/lighttpd/
- C. /var/log/maillog/
- D. /var/log/httpd/
Answer: D
NEW QUESTION # 132
A newly joined network administrator wants to assess the organization against possible risk. He notices the organization doesn't have a________identified which helps measure how risky an activity is.
- A. Key Risk Indicator
- B. Risk Matrix
- C. Risk Severity
- D. Risk levels
Answer: A
NEW QUESTION # 133
FILL BLANK
Fill in the blank with the appropriate term. The ___________ protocol is a feature of packet-based data
transmission protocols. It is used to keep a record of the frame sequences sent and their respective
acknowledgements received by both the users.
Answer:
Explanation:
Sliding Window
Explanation:
The Sliding Window protocol is a feature of packet-based data transmission protocols. It is used in the data link
layer (OSI model) as well as in TCP (transport layer of the OSI model). It is used to keep a record of the frame
sequences sent, and their respective acknowledgements received, by both the users. Its additional feature
over a simpler protocol is that can allow multiple packets to be "in transmission" simultaneously, rather than
waiting for each packet to be acknowledged before sending the next.In transmit flow control, sliding window is
a variable-duration window that allows a sender to transmit a specified number of data units before an
acknowledgment is received or before a specified event occurs.An example of a sliding window is one in
which, after the sender fails to receive an acknowledgment for the first transmitted frame, the sender "slides"
the window, i.e., resets the window, and sends a second frame. This process is repeated for the specified
number of times before the sender interrupts transmission. Sliding window is sometimes called
acknowledgment delay period.
NEW QUESTION # 134
......
The EC-Council Certified Network Defender (CND) certification is considered an entry-level certification and is ideal for individuals who are just starting out in the field of network security. 312-38 exam is vendor-neutral, which means that individuals who pass the exam will have the skills and knowledge required to work with a variety of network security tools and technologies. Apart from that, the certification is also beneficial for those who are already working in the field of network security and want to enhance their skills and knowledge to advance their careers further. The EC-Council Certified Network Defender (CND) certification is a valuable credential for individuals who want to make a career in the field of network security and protect organizations from cyber threats.
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