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2021 Apr SY0-401 practice exam
Q591. Which of the following firewall types inspects Ethernet traffic at the MOST levels of the OSI model?
A. Packet Filter Firewall
B. Stateful Firewall
C. Proxy Firewall
D. Application Firewall
Answer: B
Explanation:
Stateful inspections occur at all levels of the network.
Q592. A small company has a website that provides online customer support. The company requires an account recovery process so that customers who forget their passwords can regain access.
Which of the following is the BEST approach to implement this process?
A. Replace passwords with hardware tokens which provide two-factor authentication to the online customer support site.
B. Require the customer to physically come into the company’s main office so that the customer can be authenticated prior to their password being reset.
C. Web-based form that identifies customer by another mechanism and then emails the customer their forgotten password.
D. Web-based form that identifies customer by another mechanism, sets a temporary password and forces a password change upon first login.
Answer: D
Explanation:
People tend to forget their passwords, thus you should have a password recovery system for them that will not increase risk exposure. Setting a temporary password will restrict the time that the password is valid and thus decrease risk; and in addition forcing the customer to change it upon first login will make the password more secure for the customer.
Q593. Ann was reviewing her company's event logs and observed several instances of GUEST accessing the company print server, file server, and archive database. As she continued to investigate, Ann noticed that it seemed to happen at random intervals throughout the day, but mostly after the weekly automated patching and often logging in at the same time. Which of the following would BEST mitigate this issue?
A. Enabling time of day restrictions
B. Disabling unnecessary services
C. Disabling unnecessary accounts
D. Rogue machine detection
Answer: C
Explanation:
Q594. Ann, a newly hired human resource employee, sent out confidential emails with digital signatures, to an unintended group. Which of the following would prevent her from denying accountability?
A. Email Encryption
B. Steganography
C. Non Repudiation
D. Access Control
Answer: C
Explanation:
Nonrepudiation prevents one party from denying actions they carried out.
Q595. An administrator configures all wireless access points to make use of a new network certificate authority. Which of the following is being used?
A. WEP
B. LEAP
C. EAP-TLS
D. TKIP
Answer: C
Explanation:
The majority of the EAP-TLS implementations require client-side X.509 certificates without giving the option to disable the requirement.
Rebirth SY0-401 latest exam:
Q596. The Chief Executive Officer (CEO) receives a suspicious voice mail warning of credit card fraud. No one else received the voice mail. Which of the following BEST describes this attack?
A. Whaling
B. Vishing
C. Spear phishing
D. Impersonation
Answer: A
Explanation:
Q597. Which of the following would Jane, an administrator, use to detect an unknown security vulnerability?
A. Patch management
B. Application fuzzing
C. ID badge
D. Application configuration baseline
Answer: B
Explanation:
Fuzzing is a software testing technique that involves providing invalid, unexpected, or random data to as inputs to a computer program. The program is then monitored for exceptions such as crashes, or failed validation, or memory leaks.
Q598. While opening an email attachment, Pete, a customer, receives an error that the application has encountered an unexpected issue and must be shut down. This could be an example of which of the following attacks?
A. Cross-site scripting
B. Buffer overflow
C. Header manipulation
D. Directory traversal
Answer: B
Explanation:
When the user opens an attachment, the attachment is loaded into memory. The error is caused by a memory issue due to a buffer overflow attack.
A buffer overflow occurs when a program or process tries to store more data in a buffer (temporary data storage area) than it was intended to hold. Since buffers are created to contain a finite amount of data, the extra information - which has to go somewhere - can overflow into adjacent buffers, corrupting or overwriting the valid data held in them. Although it may occur accidentally through programming error, buffer overflow is an increasingly common type of security attack on data integrity. In buffer overflow attacks, the extra data may contain codes designed to trigger specific actions, in effect sending new instructions to the attacked computer that could, for example, damage the user's files, change data, or disclose confidential information. Buffer overflow attacks are said to have arisen because the C programming language supplied the framework, and poor programming practices supplied the vulnerability.
Q599. Which of the following is true about asymmetric encryption?
A. A message encrypted with the private key can be decrypted by the same key
B. A message encrypted with the public key can be decrypted with a shared key.
C. A message encrypted with a shared key, can be decrypted by the same key.
D. A message encrypted with the public key can be decrypted with the private key.
Answer: D
Explanation:
Asymmetric algorithms use two keys to encrypt and decrypt data. These asymmetric keys are referred to as the public key and the private key. The sender uses the public key to encrypt a message, and the receiver uses the private key to decrypt the message; what one key does, the other one undoes.
Q600. A Windows-based computer is infected with malware and is running too slowly to boot and run a malware scanner. Which of the following is the BEST way to run the malware scanner?
A. Kill all system processes
B. Enable the firewall
C. Boot from CD/USB
D. Disable the network connection
Answer: C
Explanation:
