copyright Passed - Real copyright Questions
copyright Passed - Real copyright Questions
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Tags: copyright Passed, Real copyright Questions, Valid Dumps copyright Sheet, New copyright Test Online, Valid copyright Exam Fee
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Real copyright Questions, Valid Dumps copyright Sheet
Holding a copyright certification in a certain field definitely shows that one have a good command of the copyright knowledge and professional skills in the related field. However, it is universally accepted that the majority of the candidates for the copyright Security Professional (copyright) exam are those who do not have enough spare time and are not able to study in the most efficient way. Our copyright Study Materials sove this problem perfectly for you with high-efficience and you will know if you can just have a try!
ISC copyright Security Professional (copyright) Sample Questions (Q1006-Q1011):
NEW QUESTION # 1006
You are an information systems security officer at a mid-sized business and are called upon to investigate a threat conveyed in an email from one employee to another.
You gather the evidence from both the email server transaction logs and from the computers of the two individuals involved in the incident and prepare an executive summary.
You find that a threat was sent from one user to the other in a digitally signed email. The sender of the threat says he didn't send the email in question.
What concept of PKI - Public Key Infrastructure will implicate the sender?
- A. Authentication
- B. The digital signature of the recipient
- C. Integrity
- D. Non-repudiation
Answer: D
Explanation:
PKI - Public Key Infrastructure is an infrastructure of hardware, software, people,
policies and procedures that makes use of the technology to provide some sort of confidentiality,
integrity and authenticity as well as non-repudiation in our daily digital lives.
In the case of the email threat, the fact that the email was digitally signed by the sender proves
that he is guilty of conveying the threat. Non-repudiation is the aspect of PKI that proves that
nobody else could have digitally signed the email using his private key that exists only on his
identity card.
In the Digital World:
Regarding digital security, the cryptological meaning and application of non-repudiation shifts to
mean:
A service that provides proof of the integrity and origin of data.
An authentication that can be asserted to be genuine with high assurance .
Proof of data integrity is typically the easiest of these requirements to accomplish. A data hash,
such as SHA2, is usually sufficient to establish that the likelihood of data being undetectably
changed is extremely low. Even with this safeguard, it is still possible to tamper with data in transit,
either through a man-in-the-middle attack or phishing. Due to this flaw, data integrity is best
asserted when the recipient already possesses the necessary verification information.
The most common method of asserting the digital origin of data is through digital certificates, a
form of public key infrastructure, to which digital signatures belong. They can also be used for
encryption. The digital origin only means that the certified/signed data can be, with reasonable
certainty, trusted to be from somebody who possesses the private key corresponding to the
signing certificate. If the key is not properly safeguarded by the original owner, digital forgery can
become a major concern.
The following answers are incorrect:
-The digital signature of the recipient: No, this isn't right. The recipient's signature won't indict the sender of the threat. The sender's digital signature will prove his involvement.
-Authentication: This is incorrect. Authentication is the process of proving one's identity.
-Integrity: Sorry, this isn't the right answer either. Integrity in PKI only verifies that messages and content aren't altered in transit.
The following reference(s) was used to create this question: http://en.wikipedia.org/wiki/Non-repudiation
NEW QUESTION # 1007
Which of the following should be used as a replacement for Telnet for secure remote login over an insecure network?
- A. SSH
- B. S-Telnet
- C. SSL
- D. Rlogin
Answer: A
Explanation:
SSH is a protocol for secure remote login and other secure network services over an insecure network. It consists of three major components: a transport layer protocol
(providing server authentication, confidentiality, and integrity), a user authentication protocol (authenticating the client-side user to the server) and a connection protocol
(multiplexing the encrypted tunnel into several logical channels). It should be used instead of Telnet, FTP, rlogin, rexec and rsh.
Source: SHIREY, Robert W., RFC2828: Internet Security Glossary, may 2000.
And: WALLHOFF, John, CBK#5 Cryptography (copyright Study Guide), April 2002 (page 8).
NEW QUESTION # 1008
Which of the following remote access authentication systems is the most robust?
- A. TACACS
- B. TACACS+
- C. RADIUS
- D. PAP
Answer: B
Explanation:
TACACS+ is a proprietary Cisco enhancement to TACACS and is more robust than RADIUS. PAP is not a remote access authentication system but a remote node security protocol.
Source: KRUTZ, Ronald L. & VINES, Russel D., The copyright Prep Guide: Mastering the
Ten Domains of Computer Security, John Wiley & Sons, 2001, Chapter 3:
Telecommunications and Network Security (page 122).
NEW QUESTION # 1009
Which of the following entails identification of data end links to business processes, applications, and data stores as well as assignment of ownership responsibilities?
- A. Security governance
- B. Security portfolio management
- C. Risk management
- D. Risk assessment
Answer: C
NEW QUESTION # 1010
During the change management process, which of the following is used to identify and record new risks?
- A. Risk register
- B. Risk assessment
- C. Lessons learned register
- D. Risk report
Answer: A
NEW QUESTION # 1011
......
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