312-50 Exam Dumps | You have compromised a server on a network and successfully opened a shell. You aimed to identify all

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Question 127/480

You have compromised a server on a network and successfully opened a shell. You aimed to identify all operating systems running on the network. However, as you attempt to fingerprint all machines in the network using the nmap syntax below, it is not going through.
invictus@victim_server:~$ nmap -T4 -O 10.10.0.0/24
TCP/IP fingerprinting (for OS scan) xxxxxxx xxxxxx xxxxxxxxx.
QUITTING!
What seems to be wrong?

A. OS Scan requires root privileges.

B. The nmap syntax is wrong.

C. This is a common behavior for a corrupted nmap application.

D. The outgoing TCP/IP fingerprinting is blocked by the host firewall.

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In what k...; Question 418: A possibly malicious sequence of packets that were sent to a...; Question 419: Which command line switch would be used in NMAP to perform o...; Question 420: A penetration tester was hired to perform a penetration test...; Question 421: Which among the following is a Windows command that a hacker...; Question 422: You have successfully comprised a server having an IP addres...; Question 423: What is not a PCI compliance recommendation?...; Question 424: During a penetration test, a tester finds that the web appli...; Question 425: What is the primary drawback to using advanced encryption st...; Question 426: What is the term coined for logging, recording and resolving...; Question 427: The fundamental difference between symmetric and asymmetric ...; Question 428: One advantage of an application-level firewall is the abilit...; Question 429: An attacker changes the profile information of a particular ...; Question 430: Emil uses nmap to scan two hosts using this command. nmap -s...; Question 431: Firewalk has just completed the second phase (the scanning p...; Question 432: A company firewall engineer has configured a new DMZ to allo...; Question 433: What tool and process are you going to use in order to remai...; Question 434: What mechanism in Windows prevents a user from accidentally ...; Question 435: What is the difference between the AES and RSA algorithms?...; Question 436: It is a vulnerability in GNU's bash shell, discovered in Sep...; Question 437: env x=`(){ :;};echo exploit` bash -c 'cat /etc/passwd' What ...; Question 438: How does an operating system protect the passwords used for ...; Question 439: Which of the following is an example of two factor authentic...; Question 440: A consultant is hired to do physical penetration testing at ...; Question 441: Which Open Web Application Security Project (OWASP) implemen...; Question 442: Windows file servers commonly hold sensitive files, database...; Question 443: > NMAP -sn 192.168.11.200-215 The NMAP command above perf...; Question 444: Which method can provide a better return on IT security inve...; Question 445: A security administrator notices that the log file of the co...; 1 commentQuestion 446: Shellshock had the potential for an unauthorized user to gai...; Question 447: A penetration tester is hired to do a risk assessment of a c...; Question 448: You've gained physical access to a Windows 2008 R2 server wh...; Question 449: International Organization for Standardization (ISO) standar...; Question 450: A certified ethical hacker (CEH) completed a penetration tes...; Question 451: What is the most common method to exploit the "Bash Bug" or ...; Question 452: The network administrator contacts you and tells you that sh...; Question 453: The "black box testing" methodology enforces which kind of r...; Question 454: An attacker tries to do banner grabbing on a remote web serv...; Question 455: An engineer is learning to write exploits in C++ and is usin...; Question 456: The Open Web Application Security Project (OWASP) is the wor...; Question 457: It is an entity or event with the potential to adversely imp...; Question 458: What attack is used to crack passwords by using a precompute...; Question 459: When an alert rule is matched in a network-based IDS like sn...; Question 460: Bob received this text message on his mobile phone: ""Hello,...; Question 461: Which statement best describes a server type under an N-tier...; Question 462: Which protocol and port number might be needed in order to s...; Question 463: Initiating an attack against targeted businesses and organiz...; Question 464: Which service in a PKI will vouch for the identity of an ind...; Question 465: To reduce the attack surface of a system, administrators sho...; Question 466: In an internal security audit, the white hat hacker gains co...; 2 commentQuestion 467: The chance of a hard drive failure is known to be once every...; Question 468: If executives are found liable for not properly protecting t...; Question 469: When using Wireshark to acquire packet capture on a network,...; Question 470: Which of the following is the BEST way to defend against net...; Question 471: Perspective clients want to see sample reports from previous...; Question 472: An attacker sniffs encrypted traffic from the network and is...; Question 473: Which type of antenna is used in wireless communication?...; Question 474: On a Linux device, which of the following commands will star...; Question 475: Which of the following guidelines or standards is associated...; Question 476: Your company performs penetration tests and security assessm...; Question 477: Suppose you've gained access to your client's hybrid network...; Question 478: Under the "Post-attack Phase and Activities", it is the resp...; Question 479: A person approaches a network administrator and wants advice...; Question 480: A server has been infected by a certain type of Trojan. The ...

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