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EC-COUNCIL 312-38 (EC-Council Certified Network Defender CND) Exam is a certification exam that assesses the knowledge and skills of individuals in network defense and security. 312-38 exam is designed to validate the proficiency of candidates in identifying, protecting, detecting, responding, and recovering from different types of network attacks. The EC-COUNCIL 312-38 Exam covers a wide range of topics, including network security essentials, network protocols and devices, network perimeter defense, network security threats and attacks, wireless network security, and network incident response and management.

The EC-Council Certified Network Defender CND certification exam covers various topics such as network security technologies, network perimeter defense, network security protocols, network security architecture, network vulnerability assessments, malware analysis, incident response, and more. Candidates need to have a good understanding of the fundamentals of network infrastructure and cybersecurity before taking the exam. Successful candidates enhance their employability and advance their careers as IT professionals working in network defense, administration, or security.

The EC-Council Certified Network Defender (CND) course is designed to provide students with the skills and knowledge they need to defend against network attacks. 312-38 course covers a range of topics, including network security, network protocols, and network defense tools. This course is ideal for professionals who want to work in the field of network defense, as well as for those who want to enhance their knowledge and skills in this area.

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EC-COUNCIL EC-Council Certified Network Defender CND Sample Questions (Q16-Q21):

NEW QUESTION # 16
Which of the following is a technique for gathering information about a remote network protected by a firewall?

A. War dialing
B. War driving
C. Firewalking
D. Warchalking

Answer: C

Explanation:
Fire walking is a technique for gathering information about a remote network protected by a firewall. This technique can be used effectively to perform information gathering attacks. In this technique, an attacker sends a crafted packet with a TTL value that is set to expire one hop past the firewall. If the firewall allows this crafted packet through, it forwards the packet to the next hop. On the next hop, the packet expires and elicits an ICMP "TTL expired in transit" message to the attacker. If the firewall does not allow the traffic, there should be no response, or an ICMP "administratively prohibited" message should be returned to the attacker. A malicious attacker can use firewalking to determine the types of ports/protocols that can bypass the firewall. To use firewalking, the attacker needs the IP address of the last known gateway before the firewall and the IP address of a host located behind the firewall. The main drawback of this technique is that if an administrator blocks ICMP packets from leaving the network, it is ineffective. Answer option B is incorrect. Warchalking is the drawing of symbols in public places to advertise an open Wi-Fi wireless network. Having found a Wi-Fi node, the warchalker draws a special symbol on a nearby object, such as a wall, the pavement, or a lamp post. The name warchalking is derived from the cracker terms war dialing and war driving. Answer option C is incorrect. War driving, also called access point mapping, is the act of locating and possibly exploiting connections to wireless local area networks while driving around a city or elsewhere. To do war driving, one needs a vehicle, a computer (which can be a laptop), a wireless Ethernet card set to work in promiscuous mode, and some kind of an antenna which can be mounted on top of or positioned inside the car. Because a wireless LAN may have a range that extends beyond an office building, an outside user may be able to intrude into the network, obtain a free Internet connection, and possibly gain access to company records and other resources. Answer option D is incorrect. War dialing or wardialing is a technique of using a modem to automatically scan a list of telephone numbers, usually dialing every number in a local area code to search for computers, Bulletin board systems, and fax machines. Hackers use the resulting lists for various purposes, hobbyists for exploration, and crackers - hackers that specialize in computer security - for password guessing.

NEW QUESTION # 17
John visits an online shop that stores the IDs and prices of the items to buy in a cookie. After selecting the items that he wants to buy, the attacker changes the price of the item to 1.
Original cookie values: ItemID1=2 ItemPrice1=900 ItemID2=1 ItemPrice2=200 Modified cookie values: ItemID1=2 ItemPrice1=1 ItemID2=1 ItemPrice2=1 Now, he clicks the Buy button, and the prices are sent to the server that calculates the total price.
Which of the following hacking techniques is John performing?

A. Cookie poisoning
B. Computer-based social engineering
C. Cross site scripting
D. Man-in-the-middle attack

Answer: A

Explanation:
John is performing cookie poisoning. In cookie poisoning, an attacker modifies the value of cookies before sending them back to the server. On modifying the cookie values, an attacker can log in to any other user account and can perform identity theft. The following figure explains how cookie poisoning occurs: For example: The attacker visits an online shop that stores the IDs and prices of the items to buy in a cookie. After selecting the items that he wants to buy, the attacker changes the price of the item to 1. Original cookie values: ItemID1= 2 ItemPrice1=900 ItemID2=1 ItemPrice2=200 Modified cookie values: ItemID1= 2 ItemPrice1=1 ItemID2=1 ItemPrice2=1 Now, the attacker clicks the Buy button and the prices are sent to the server that calculates the total price. Another use of a Cookie Poisoning attack is to pretend to be another user after changing the username in the cookie values: Original cookie values: LoggedIn= True Username = Mark Modified cookie values: LoggedIn= True Username = Admin Now, after modifying the cookie values, the attacker can do the admin login. Answer option D is incorrect. A cross site scripting attack is one in which an attacker enters malicious data into a Website. For example, the attacker posts a message that contains malicious code to any newsgroup site. When another user views this message, the browser interprets this code and executes it and, as a result, the attacker is able to take control of the user's system. Cross site scripting attacks require the execution of client-side languages such as JavaScript, Java, VBScript, ActiveX, Flash, etc. within a user's Web environment. With the help of a cross site scripting attack, the attacker can perform cookie stealing, sessions hijacking, etc.

NEW QUESTION # 18
Which of the following representatives of the incident response team takes forensic backups of systems that are the focus of an incident?

A. Lead investigator
B. Legal representative
C. Technical representative
D. Information security representative

Answer: C

Explanation:
A technical representative creates forensic backups of systems that are the focus of an incident
and provides valuable information about the configuration of the network and target system.
Answer option B is incorrect. A lead investigator acts as the manager of the computer security
incident response team.
Answer option D is incorrect. The legal representative looks after legal issues and ensures that the
investigation process does not break any law.
Answer option C is incorrect. The information security representative informs about the security
safeguards that may affect their ability to respond to the incident.

NEW QUESTION # 19
Fill in the blank with the appropriate term.
______________ is a prime example of a high-interaction honeypot.

Answer:

Explanation:
Honeynet

NEW QUESTION # 20
Which of the following TCP commands is used to allocate a receiving buffer associated with the specified connection?

A. Send
B. Receive
C. Close
D. Abort

Answer: B

NEW QUESTION # 21
......

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