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Free PDF Quiz 2025 ECCouncil Unparalleled 312-50v13: Visual Certified Ethical Hacker Exam (CEHv13) Cert Exam

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ECCouncil Certified Ethical Hacker Exam (CEHv13) Sample Questions (Q493-Q498):

NEW QUESTION # 493
George is a security professional working for iTech Solutions. He was tasked with securely transferring sensitive data of the organization between industrial systems. In this process, he used a short-range communication protocol based on the IEEE 203.15.4 standard. This protocol is used in devices that transfer data infrequently at a low rate in a restricted area, within a range of 10-100 m. What is the short-range wireless communication technology George employed in the above scenario?

A. LPWAN
B. MQTT
C. Zigbee
D. NB-IoT

Answer: C

Explanation:
Zigbee could be a wireless technology developed as associate open international normal to deal with the unique desires of affordable, low-power wireless IoT networks. The Zigbee normal operates on the IEEE
802.15.4 physical radio specification and operates in unauthorised bands as well as a pair of.4 GHz, 900 MHz and 868 MHz.
The 802.15.4 specification upon that the Zigbee stack operates gained confirmation by the Institute of Electrical and physical science Engineers (IEEE) in 2003. The specification could be a packet-based radio protocol supposed for affordable, battery-operated devices. The protocol permits devices to speak in an exceedingly kind of network topologies and may have battery life lasting many years.
The Zigbee three.0 Protocol
The Zigbee protocol has been created and ratified by member corporations of the Zigbee Alliance.Over three hundred leading semiconductor makers, technology corporations, OEMs and repair corporations comprise the Zigbee Alliance membership. The Zigbee protocol was designed to supply associate easy-to-use wireless information answer characterised by secure, reliable wireless network architectures.
THE ZIGBEE ADVANTAGE
The Zigbee 3.0 protocol is intended to speak information through rip-roaring RF environments that area unit common in business and industrial applications. Version 3.0 builds on the prevailing Zigbee normal however unifies the market-specific application profiles to permit all devices to be wirelessly connected within the same network, no matter their market designation and performance. what is more, a Zigbee 3.0 certification theme ensures the ability of product from completely different makers. Connecting Zigbee three.0 networks to the information science domain unveil observance and management from devices like smartphones and tablets on a local area network or WAN, as well as the web, and brings verity net of Things to fruition.
Zigbee protocol options include:
* Support for multiple network topologies like point-to-point, point-to-multipoint and mesh networks
* Low duty cycle - provides long battery life
* Low latency
* Direct Sequence unfold Spectrum (DSSS)
* Up to 65,000 nodes per network
* 128-bit AES encryption for secure information connections
* Collision avoidance, retries and acknowledgements
This is another short-range communication protocol based on the IEEE 203.15.4 standard. Zig-Bee is used in devices that transfer data infrequently at a low rate in a restricted area and within a range of 10-100 m.

NEW QUESTION # 494
_________ is a type of phishing that targets high-profile executives such as CEOs, CFOs, politicians, and celebrities who have access to confidential and highly valuable information.

A. Vishing
B. Spear phishing
C. Whaling
D. Phishing

Answer: C

NEW QUESTION # 495
Andrew is an Ethical Hacker who was assigned the task of discovering all the active devices hidden by a restrictive firewall in the IPv4 range in a given target network.
Which of the following host discovery techniques must he use to perform the given task?

A. ACK flag probe scan
B. TCP Maimon scan
C. arp ping scan
D. UDP scan

Answer: C

Explanation:
One of the most common Nmap usage scenarios is scanning an Ethernet LAN. Most LANs, especially those that use the private address range granted by RFC 1918, do not always use the overwhelming majority of IP addresses. When Nmap attempts to send a raw IP packet, such as an ICMP echo request, the OS must determine a destination hardware (ARP) address, such as the target IP, so that the Ethernet frame can be properly addressed. .. This is required to issue a series of ARP requests. This is best illustrated by an example where a ping scan is attempted against an Area Ethernet host. The -send-ip option tells Nmap to send IP-level packets (rather than raw Ethernet), even on area networks. The Wireshark output of the three ARP requests and their timing have been pasted into the session.
Raw IP ping scan example for offline targets
This example took quite a couple of seconds to finish because the (Linux) OS sent three ARP requests at 1 second intervals before abandoning the host. Waiting for a few seconds is excessive, as long as the ARP response usually arrives within a few milliseconds. Reducing this timeout period is not a priority for OS vendors, as the overwhelming majority of packets are sent to the host that actually exists. Nmap, on the other hand, needs to send packets to 16 million IP s given a target like 10.0.0.0/8. Many targets are pinged in parallel, but waiting 2 seconds each is very delayed.
There is another problem with raw IP ping scans on the LAN. If the destination host turns out to be unresponsive, as in the previous example, the source host usually adds an incomplete entry for that destination IP to the kernel ARP table. ARP tablespaces are finite and some operating systems become unresponsive when full. If Nmap is used in rawIP mode (-send-ip), Nmap may have to wait a few minutes for the ARP cache entry to expire before continuing host discovery.
ARP scans solve both problems by giving Nmap the highest priority. Nmap issues raw ARP requests and handles retransmissions and timeout periods in its sole discretion. The system ARP cache is bypassed. The example shows the difference. This ARP scan takes just over a tenth of the time it takes for an equivalent IP.
Example b ARP ping scan of offline target

In example b, neither the -PR option nor the -send-eth option has any effect. This is often because ARP has a default scan type on the Area Ethernet network when scanning Ethernet hosts that Nmap discovers. This includes traditional wired Ethernet as 802.11 wireless networks. As mentioned above, ARP scanning is not only more efficient, but also more accurate. Hosts frequently block IP-based ping packets, but usually cannot block ARP requests or responses and communicate over the network.Nmap uses ARP instead of all targets on equivalent targets, even if different ping types (such as -PE and -PS) are specified. LAN.. If you do not need to attempt an ARP scan at all, specify -send-ip as shown in Example a "Raw IP Ping Scan for Offline Targets".
If you give Nmap control to send raw Ethernet frames, Nmap can also adjust the source MAC address. If you have the only PowerBook in your security conference room and a large ARP scan is initiated from an Apple- registered MAC address, your head may turn to you. Use the -spoof-mac option to spoof the MAC address as described in the MAC Address Spoofing section.

NEW QUESTION # 496
You work for Acme Corporation as Sales Manager. The company has tight network security restrictions. You are trying to steal data from the company's Sales database (Sales.xls) and transfer them to your home computer. Your company filters and monitors traffic that leaves from the internal network to the Internet.
How will you achieve this without raising suspicion?

A. Package the Sales.xls using Trojan wrappers and telnet them back your home computer
B. You can conceal the Sales.xls database in another file like photo.jpg or other files and send it out in an innocent looking email or file transfer using Steganography techniques
C. Change the extension of Sales.xls to sales.txt and upload them as attachment to your hotmail account
D. Encrypt the Sales.xls using PGP and e-mail it to your personal gmail account

Answer: B

NEW QUESTION # 497
Which results will be returned with the following Google search query?
site:target.com -site:Marketing.target.com accounting

A. Results matching all words in the query.
B. Results for matches on target.com and Marketing.target.com that include the word "accounting"
C. Results from matches on the site marketing.target.com that are in the domain target.com but do not include the word accounting.
D. Results matching "accounting" in domain target.com but not on the site Marketing.target.com

Answer: D

Explanation:
This Google dork uses advanced operators:
site:target.com - restricts results to pages within the target.com domain
-site:Marketing.target.com - excludes results from the marketing.target.com subdomain accounting - the keyword to be matched So, it returns pages from target.com (excluding the marketing subdomain) that include the word "accounting".
Reference - CEH v13 Official Study Guide:
Module 2: Footprinting and Reconnaissance
Quote:
"Advanced search operators like site:, inurl:, intitle:, and the minus (-) operator help to include or exclude specific domains or pages when gathering public information via Google." Incorrect Options:
A). Opposite logic - this excludes marketing.target.com
B). Too general
C). Incorrect because marketing.target.com is excluded

NEW QUESTION # 498
......

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