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New CompTIA SY0-401 Exam Dumps Collection (Question 2 - Question 11)
New Questions 2
An administrator has two servers and wants them to communicate with each other using a secure algorithm.
Which of the following choose to provide both CRC integrity checks and RCA encryption?
A. NTLM
B. RSA
C. CHAP
D. ECDHE
Answer: D
Explanation:
ECDHE provides both CRC integrity checks and RCA encryption.
Adding an ephemeral key to Elliptic Curve Diffie-Hellman turns it into ECDHE. It is the ephemeral component of each of these that provides the perfect forward secrecy. Forward secrecy is a property of any key exchange system, which ensures that if one key is compromised, subsequent keys will not also be compromised. Perfect forward secrecy occurs when this process is unbreakable.
New Questions 3
In order to enter a high-security datacenter, users are required to speak the password into a voice recognition system. Ann a member if the sales department over hears the password and upon speaks it into the system. The system denies her entry and alerts the security team. Which of the following is the MOST likely reason for her failure to enter the data center?
A. An authentication factor
B. Discretionary access
C. Time of day restrictions
D. Least privilege restrictions
Answer: A
New Questions 4
A security technician would like to use ciphers that generate ephemeral keys for secure communication. Which of the following algorithms support ephemeral modes? (Select TWO)
A. Diffie-Hellman
B. RC4
C. RIPEMO
D. NTLMv2
E. PAP
F. RSA
Answer: A,F
New Questions 5
An application developer has coded a new application with a module to examine all user entries for the graphical user interface. The module verifies that user entries match the allowed types for each field and that OS and database commands are rejected before entries are sent for further processing within the application. These are example of:
A. Input validation
B. SQL injection
C. Application whitelisting
D. Error handling
Answer: A
New Questions 6
Which of the following is the MOST likely cause of users being unable to verify a single useru2021s email signature and that user being unable to decrypt sent messages?
A. Unmatched key pairs
B. Corrupt key escrow
C. Weak public key
D. Weak private key
Answer: A
Explanation:
In a PKI the sender encrypts the data using the receiver's public key. The receiver decrypts the data using his own private key. The sender and receiver must have a matching key in order for the receiver to decrypt the data.
New Questions 7
Recently the desktop support group has been performing a hardware refresh and has replaced numerous computers. An auditor discovered that a number of the new computers did not have the companyu2021s antivirus software installed on them, Which of the following could be utilized to notify the network support group when computers without the antivirus software are added to the network?
A. Network port protection
B. NAC
C. NIDS
D. Mac Filtering
Answer: C
New Questions 8
A CRL is comprised of.
A. Malicious IP addresses.
B. Trusted CAu2021s.
C. Untrusted private keys.
D. Public keys.
Answer: D
Explanation:
A certificate revocation list (CRL) is created and distributed to all CAs to revoke a certificate or key.
By checking the CRL you can check if a particular certificate has been revoked. The certificates for which a CRL should be maintained are often X.509/public key certificates, as this format is commonly used by PKI schemes.
New Questions 9
A company hosts a web server that requires entropy in encryption initialization and authentication. To meet this goal, the company would like to select a block cipher mode of operation that allows an arbitrary length IV and supports authenticated encryption. Which of the following would meet these objectives?
A. CFB
B. GCM
C. ECB
D. CBC
Answer: C
New Questions 10
Ann a new small business owner decides to implement WiFi access for her customers. There are several other businesses nearby who also have WiFi hot spots. Ann is concerned about security of the wireless network and wants to ensure that only her customers have access. Which of the following choices BEST meets her intent of security and access?
A. Enable port security
B. Enable WPA
C. Disable SSID broadcasting
D. Enable WEP
Answer: B
New Questions 11
An attacker went to a local bank and collected disposed paper for the purpose of collecting data that could be used to steal funds and information from the banku2021s customers. This is an example of:
A. Impersonation
B. Whaling
C. Dumpster diving
D. Hoaxes
Answer: C
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