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ECCouncil Updated 312-50v11 Exam Questions and Answers by reina

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ECCouncil 312-50v11 Exam Overview :

Exam Name: Certified Ethical Hacker Exam (CEH v11)
Exam Code: 312-50v11 Dumps
Vendor: ECCouncil Certification: CEH v11
Questions: 528 Q&A's Shared By: reina
Question 64

Harper, a software engineer, is developing an email application. To ensure the confidentiality of email messages. Harper uses a symmetric-key block cipher having a classical 12- or 16-round Feistel network with a block size of 64 bits for encryption, which includes large 8 x 32-bit S-boxes (S1, S2, S3, S4) based on bent functions, modular addition and subtraction, key-dependent rotation, and XOR operations. This cipher also uses a masking key(Km1)and a rotation key (Kr1) for performing its functions. What is the algorithm employed by Harper to secure the email messages?

Options:

A.

CAST-128

B.

AES

C.

GOST block cipher

D.

DES

Discussion
Question 65

What is the following command used for?

net use \targetipc$ "" /u:""

Options:

A.

Grabbing the etc/passwd file

B.

Grabbing the SAM

C.

Connecting to a Linux computer through Samba.

D.

This command is used to connect as a null session

E.

Enumeration of Cisco routers

Discussion
Question 66

Which rootkit is characterized by its function of adding code and/or replacing some of the operating-system kernel code to obscure a backdoor on a system?

Options:

A.

User-mode rootkit

B.

Library-level rootkit

C.

Kernel-level rootkit

D.

Hypervisor-level rootkit

Discussion
Question 67

A computer science student needs to fill some information into a secured Adobe PDF job application that was received from a prospective employer. Instead of requesting a new document that allowed the forms to be completed, the student decides to write a script that pulls passwords from a list of commonly used passwords to try against the secured PDF until the correct password is found or the list is exhausted.

Which cryptography attack is the student attempting?

Options:

A.

Man-in-the-middle attack

B.

Brute-force attack

C.

Dictionary attack

D.

Session hijacking

Discussion
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