[2022] Use Valid New 312-50v11 Test Notes & 312-50v11 Valid Exam Guide
312-50v11 Actual Questions Answers PDF 100% Cover Real Exam Questions
NEW QUESTION 239
You are programming a buffer overflow exploit and you want to create a NOP sled of 200 bytes in the program exploit.c
What is the hexadecimal value of NOP instruction?
- A. 0x70
- B. 0x80
- C. 0x60
- D. 0x90
Answer: D
NEW QUESTION 240
Which ios jailbreaking technique patches the kernel during the device boot so that it becomes jailbroken after each successive reboot?
- A. Semi-tethered jailbreaking
- B. Tethered jailbreaking
- C. Untethered jailbreaking
- D. Semi-Untethered jailbreaking
Answer: A
Explanation:
A semi-tethered jailbreak is one that allows a handset to finish a boot cycle when being pwned, however jailbreak extensions won't load till a laptop-based jailbreak application is deployed over a physical cable association between the device and also the computer in question.
Semi-tethered jailbreaks aren't as difficult as tethered jailbreaks as a result of you'll be able to power cycle your device and expect to use it commonly thenceforth, like creating phone calls and causing text messages. On the opposite hand, jailbreak tweaks won't initialize on the freshly-booted device and jailbreak-based apps like Cydia and Filza can merely crash on launch them till the device is shod back to a jailbroken state.
Just as the name implies, a semi-'tethered' jailbreak necessitates a physical cable association between the device and also the laptop once running the jailbreak tool to patch the kernel and reinitialize the jailbroken state, however the nice issue here is that you simply will still access important core smartphone practicality in an exceedingly pinch after you don't have a laptop near .
The spic-and-span checkra1n jailbreak tool for macOS (and before long Windows) could be a prime example of a semi-tethered jailbreak, and may pwn A7-A11-equipped devices as previous because the iPhone 5s and as new because the iPhone X.
NEW QUESTION 241
While using your bank's online servicing you notice the following string in the URL bar:
"http: // www. MyPersonalBank. com/ account?id=368940911028389&Damount=10980&Camount=21"
You observe that if you modify the Damount & Camount values and submit the request, that data on the web page reflects the changes.
Which type of vulnerability is present on this site?
- A. Cookie Tampering
- B. Web Parameter Tampering
- C. XSS Reflection
- D. SQL Injection
Answer: B
NEW QUESTION 242
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. UDP scan
- B. arp ping scan
- C. ACK flag probe scan
- D. TCP Maimon scan
Answer: B
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 243
What would be the fastest way to perform content enumeration on a given web server by using the Gobuster tool?
- A. Performing content enumeration using the bruteforce mode and random file extensions
- B. Performing content enumeration using the bruteforce mode and 10 threads
- C. Performing content enumeration using a wordlist
- D. Shipping SSL certificate verification
Answer: C
NEW QUESTION 244
Abel, a security professional, conducts penetration testing in his client organization to check for any security loopholes. He launched an attack on the DHCP servers by broadcasting forged DHCP requests and leased all the DHCP addresses available in the DHCP scope until the server could not issue any more IP addresses. This led to a DoS attack, and as a result, legitimate employees were unable to access the client's network.
Which of the following attacks did Abel perform in the above scenario?
- A. Rogue DHCP server attack
- B. DHCP starvation
- C. STP attack
- D. VLAN hopping
Answer: B
NEW QUESTION 245
Which of the following DoS tools is used to attack target web applications by starvation of available sessions on the web server?
The tool keeps sessions at halt using never-ending POST transmissions and sending an arbitrarily large content-length header value.
- A. My Doom
- B. R-U-Dead-Yet?(RUDY)
- C. Astacheldraht
- D. LOIC
Answer: B
NEW QUESTION 246
Josh has finished scanning a network and has discovered multiple vulnerable services. He knows that several of these usually have protections against external sources but are frequently susceptible to internal users. He decides to draft an email, spoof the sender as the internal IT team, and attach a malicious file disguised as a financial spreadsheet. Before Josh sends the email, he decides to investigate other methods of getting the file onto the system. For this particular attempt, what was the last stage of the cyber kill chain that Josh performed?
- A. Delivery
- B. Weaponization
- C. Exploitation
- D. Reconnaissance
Answer: B
NEW QUESTION 247
At what stage of the cyber kill chain theory model does data exfiltration occur?
- A. installation
- B. Actions on objectives
- C. Command and control
- D. Weaponization
Answer: C
Explanation:
Explanation
cyber kill chain in this the command and control stage is the defender's "last best chance" to block the operation: by blocking the Command and Control channel. If adversaries can't issue commands, defenders can prevent impact. Typically, compromised hosts must beacon outbound to an Internet controller server to establish a Command & Control (aka C2) channel. APT malware especially requires manual interaction rather than conduct activity automatically. Once the C2 channel establishes, intruders effectively have "hands on the keyboard" access inside the target environment. Let's remember that seldom is Malware automated, normally this command channel is manual. The general practice of intruders is: Email - in, Web = Out. The trick for them is to have established the control over many work stations in an effort to "exfiltrate" data without setting off any anomalies or other monitoring applications based upon content, quantity, frequency, etc. Hence, the reason it is essential to have the proper tools in place that can identify, track, observe, stop and destroy these campaigns within your arsenal of capabilities.
NEW QUESTION 248
Which of the following Metasploit post-exploitation modules can be used to escalate privileges on Windows systems?
- A. getuid
- B. autoroute
- C. keylogrecorder
- D. getsystem
Answer: D
NEW QUESTION 249
Annie, a cloud security engineer, uses the Docker architecture to employ a client/server model in the application she is working on. She utilizes a component that can process API requests and handle various Docker objects, such as containers, volumes. Images, and networks. What is the component of the Docker architecture used by Annie in the above scenario?
- A. Docker daemon
- B. Docker registries
- C. Docker client
- D. Docker objects
Answer: A
Explanation:
Explanation
Docker uses a client-server design. The docker client talks to the docker daemon, that will the work of building, running, and distributing your docker containers. The docker client and daemon will run on the same system, otherwise you will connect a docker consumer to a remote docker daemon. The docker consumer and daemon communicate using a REST API, over OS sockets or a network interface.
The docker daemon (dockerd) listens for docker API requests and manages docker objects like pictures, containers, networks, and volumes. A daemon may communicate with other daemons to manage docker services.
NEW QUESTION 250
What is the first step for a hacker conducting a DNS cache poisoning (DNS spoofing) attack against an organization?
- A. The attacker queries a nameserver using the DNS resolver.
- B. The attacker forges a reply from the DNS resolver.
- C. The attacker makes a request to the DNS resolver.
- D. The attacker uses TCP to poison the DNS resolver.
Answer: A
NEW QUESTION 251
While examining audit logs, you discover that people are able to telnet into the SMTP server on port 25. You would like to block this, though you do not see any evidence of an attack or other wrong doing. However, you are concerned about affecting the normal functionality of the email server. From the following options choose how best you can achieve this objective?
- A. Shut off the SMTP service on the server.
- B. Force all connections to use a username and password.
- C. Switch from Windows Exchange to UNIX Sendmail.
- D. None of the above.
- E. Block port 25 at the firewall.
Answer: D
NEW QUESTION 252
To invisibly maintain access to a machine, an attacker utilizes a rootkit that sits undetected in the core components of the operating system. What is this type of rootkit an example of?
- A. Hardware rootkit
- B. Firmware rootkit
- C. Hypervisor rootkit
- D. Kernel rootkit
Answer: D
NEW QUESTION 253
A newly joined employee, Janet, has been allocated an existing system used by a previous employee. Before issuing the system to Janet, it was assessed by Martin, the administrator. Martin found that there were possibilities of compromise through user directories, registries, and other system parameters. He also identified vulnerabilities such as native configuration tables, incorrect registry or file permissions, and software configuration errors.
What is the type of vulnerability assessment performed by Martin?
- A. Database assessment
- B. Credentialed assessment
- C. Distributed assessment
- D. Host-based assessment
Answer: D
NEW QUESTION 254
An attacker, using a rogue wireless AP, performed an MITM attack and injected an HTML code to embed a malicious applet in all HTTP connections.
When users accessed any page, the applet ran and exploited many machines.
Which one of the following tools the hacker probably used to inject HTML code?
- A. Aircrack-ng
- B. Tcpdump
- C. Wireshark
- D. Ettercap
Answer: D
NEW QUESTION 255
Gerard, a disgruntled ex-employee of Sunglass IT Solutions, targets this organization to perform sophisticated attacks and bring down its reputation in the market. To launch the attacks process, he performed DNS footprinting to gather information about ONS servers and to identify the hosts connected in the target network.
He used an automated tool that can retrieve information about DNS zone data including DNS domain names, computer names. IP addresses. DNS records, and network Who is records. He further exploited this information to launch other sophisticated attacks. What is the tool employed by Gerard in the above scenario?
- A. Knative
- B. Towelroot
- C. zANTI
- D. Bluto
Answer: A
NEW QUESTION 256
Harris is attempting to identify the OS running on his target machine. He inspected the initial TTL in the IP header and the related TCP window size and obtained the following results:
TTL: 64 Window Size: 5840
What is the OS running on the target machine?
- A. Mac OS
- B. Solaris OS
- C. Linux OS
- D. Windows OS
Answer: C
NEW QUESTION 257
You are a security officer of a company. You had an alert from IDS that indicates that one PC on your Intranet is connected to a blacklisted IP address (C2 Server) on the Internet. The IP address was blacklisted just before the alert. You are starting an investigation to roughly analyze the severity of the situation. Which of the following is appropriate to analyze?
- A. Internet Firewall/Proxy log.
- B. Event logs on the PC
- C. Event logs on domain controller
- D. IDS log
Answer: A
NEW QUESTION 258
Which of the following is the structure designed to verify and authenticate the identity of individuals within the enterprise taking part in a data exchange?
- A. PKI
- B. biometrics
- C. single sign on
- D. SOA
Answer: A
NEW QUESTION 259
You want to analyze packets on your wireless network. Which program would you use?
- A. Ethereal with Winpcap
- B. Wireshark with Airpcap
- C. Wireshark with Winpcap
- D. Airsnort with Airpcap
Answer: B
NEW QUESTION 260
An organization decided to harden its security against web-application and web-server attacks. John, a security personnel in the organization, employed a security scanner to automate web-application security testing and to guard the organization's web infrastructure against web-application threats. Using that tool, he also wants to detect XSS, directory transversal problems, fault injection, SQL injection, attempts to execute commands, and several other attacks. Which of the following security scanners will help John perform the above task?
- A. Syhunt Hybrid
- B. Saleae Logic Analyzer
- C. Cisco ASA
- D. AlienVault®OSSIM™
Answer: A
NEW QUESTION 261
What piece of hardware on a computer's motherboard generates encryption keys and only releases a part of the key so that decrypting a disk on a new piece of hardware is not possible?
- A. CPU
- B. UEFI
- C. GPU
- D. TPM
Answer: D
Explanation:
The TPM is a chip that's part of your computer's motherboard - if you bought an off-the-shelf PC, it's soldered onto the motherboard. If you built your own computer, you can buy one as an add-on module if your motherboard supports it. The TPM generates encryption keys, keeping part of the key to itself
NEW QUESTION 262
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Career Prospects
The CEH certification is in high demand. After adding it to your resume, you can explore various career opportunities in various industries and take up highly rewarding job roles. Some of the positions that the certified professionals can follow include a Cybersecurity Auditor, an IT Security Administrator, an Information Security Analyst, a Cyber Defense Analyst, a System Security Administrator, a Network Security Engineer, a Senior Security Consultant, a Network Engineer, a SOC Security Analyst, and an Information Security Manager, among others.
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