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2021 Jul jk0-022 vs sy0-401:
Q31. Which of the following functions provides an output which cannot be reversed and converts data into a string of characters?
A. Hashing
B. Stream ciphers
C. Steganography
D. Block ciphers
Answer: A
Q32. A security administrator discovers an image file that has several plain text documents hidden in the file. Which of the following security goals is met by camouflaging data inside of other files?
A. Integrity
B. Confidentiality
C. Steganography
D. Availability
Answer: B
Q33. A company’s employees were victims of a spear phishing campaign impersonating the CEO. The company would now like to implement a solution to improve the overall security posture by assuring their employees that email originated from the CEO. Which of the following controls could they implement to BEST meet this goal?
A. Spam filter
B. Digital signatures
C. Antivirus software
D. Digital certificates
Answer: B
Q34. A recent audit has discovered that at the time of password expiration clients are able to recycle the previous credentials for authentication. Which of the following controls should be used together to prevent this from occurring? (Select TWO).
A. Password age
B. Password hashing
C. Password complexity
D. Password history
E. Password length
Answer: A,D
Q35. Which of the following is required to allow multiple servers to exist on one physical server?
A. Software as a Service (SaaS)
B. Platform as a Service (PaaS)
C. Virtualization
D. Infrastructure as a Service (IaaS)
Answer: C
Update jk0-022 vs sy0-401:
Q36. A computer supply company is located in a building with three wireless networks. The system security team implemented a quarterly security scan and saw the following.
SSID State Channel Level Computer AreUs1 connected 1 70dbm Computer AreUs2 connected 5 80dbm
Computer AreUs3 connected 3 75dbm
Computer AreUs4 connected 6 95dbm
Which of the following is this an example of?
A. Rogue access point
B. Near field communication
C. Jamming
D. Packet sniffing
Answer: A
Q37. Due to hardware limitation, a technician must implement a wireless encryption algorithm that uses the RC4 protocol. Which of the following is a wireless encryption solution that the technician should implement while ensuring the STRONGEST level of security?
A. WPA2-AES
B. 802.11ac
C. WPA-TKIP
D. WEP
Answer: C
Q38. Several employees submit the same phishing email to the administrator. The administrator finds that the links in the email are not being blocked by the company’s security device. Which of the following might the administrator do in the short term to prevent the emails from being received?
A. Configure an ACL
B. Implement a URL filter
C. Add the domain to a block list
D. Enable TLS on the mail server
Answer: C
Q39. On Monday, all company employees report being unable to connect to the corporate wireless network, which uses 802.1x with PEAP. A technician verifies that no configuration changes were made to the wireless network and its supporting infrastructure, and that there are no outages. Which of the following is the MOST likely cause for this issue?
A. Too many incorrect authentication attempts have caused users to be temporarily disabled.
B. The DNS server is overwhelmed with connections and is unable to respond to queries.
C. The company IDS detected a wireless attack and disabled the wireless network.
D. The Remote Authentication Dial-In User Service server certificate has expired.
Answer: D
Q40. Identifying residual risk is MOST important to which of the following concepts?
A. Risk deterrence
B. Risk acceptance
C. Risk mitigation
D. Risk avoidance
Answer: B