cascfas Flashcards
QUESTION 1 Which of the following would a security specialist be able to determine upon examination of a server’s certificate? A. CA public key B. Server private key C. CSR D. OID
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
OID is correct. You would not see the CA’s public key by examining the certificate. “Server’s public key” would be correct, but that is not an option.
https://www.examtopics.com/discussions/comptia/view/2536-exam-sy0-501-topic-1-question-4-discussion/
https://blogs.getcertifiedgetahead.com/whats-in-a-digital-certificate/
QUESTION 2 Which of the following BEST describes an important security advantage yielded by implementing vendor diversity? A. Sustainability B. Homogeneity C. Resiliency D. Configurability
Correct Answer: C
Section: (none)
Explanation
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QUESTION 3
Which of the following characteristics differentiate a rainbow table attack from a brute force attack? (Select two.)
A. Rainbow table attacks greatly reduce compute cycles at attack time.
B. Rainbow tables must include precomputed hashes.
C. Rainbow table attacks do not require access to hashed passwords.
D. Rainbow table attacks must be performed on the network.
E. Rainbow table attacks bypass maximum failed login restrictions.
Correct Answer: BE
Section: (none)
Explanation
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QUESTION 4
Which of the following best describes routine in which semicolons, dashes, quotes, and commas are removed from a string?
A. Error handling to protect against program exploitation
B. Exception handling to protect against XSRF attacks.
C. Input validation to protect against SQL injection.
D. Padding to protect against string buffer overflows.
Correct Answer: C
Section: (none)
Explanation
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QUESTION 5
Which of the following explains why vendors publish MD5 values when they provide software patches for their customers to download over the Internet?
A. The recipient can verify integrity of the software patch.
B. The recipient can verify the authenticity of the site used to download the patch.
C. The recipient can request future updates to the software using the published MD5 value.
D. The recipient can successfully activate the new software patch.
Correct Answer: A
Section: (none)
Explanation
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QUESTION 6
A security analyst is reviewing the following output from an IPS:
[] [1:2467:7] EXPLOIT IGMP IGAP message overflow attempt []
[Classification: Attempted Administrator Privilege Gain] [Priority: 1]
07/30-19:45:02.238185 250.19.18.71 -> 250.19.18.22
IGMP TTL:255 TOS: OxO ID: 9742 IpLen:20 DgmLen: 502 MF
Frag offset: 0x1FFF Frag Size: 0x01E2
[Xref => http://cve.mitre.org/cgi-bin/cvename .cgi?name=2004-0367]
Given this output, which of the following can be concluded? (Select two.)
A. The source IP of the attack is coming from 250.19.18.22.
B. The source IP of the attack is coming from 250.19.18.71.
C. The attacker sent a malformed IGAP packet, triggering the alert.
D. The attacker sent a malformed TCP packet, triggering the alert.
E. The TTL value is outside of the expected range, triggering the alert.
Correct Answer: BC
Section: (none)
Explanation
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QUESTION 7 Despite having implemented password policies, users continue to set the same weak passwords and reuse old passwords. Which of the following technical controls would help prevent these policy violations? (Select two.) A. Password expiration B. Password length C. Password complexity D. Password history E. Password lockout
Correct Answer: CD
Section: (none)
Explanation
Explanation/Reference:
QUESTION 8 Which of the following types of cloud infrastructures would allow several organizations with similar structures and interests to realize the benefits of shared storage and resources? A. Private B. Hybrid C. Public D. Community
Correct Answer: D
Section: (none)
Explanation
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QUESTION 9 An auditor wants to test the security posture of an organization by running a tool that will display the following: JIMS <00> UNIQUE Registered WORKGROUP <00> GROUP Registered JIMS <00> UNIQUE Registered Which of the following commands should be used? A. nbtstat B. nc C. arp D. ipconfig
Correct Answer: A
Section: (none)
Explanation
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QUESTION 10 A botnet has hit a popular website with a massive number of GRE-encapsulated packets to perform a DDoS attack. News outlets discover a certain type of refrigerator was exploited and used to send outbound packets to the website that crashed. To which of the following categories does the refrigerator belong? A. SoC B. ICS C. IoT D. MFD
Correct Answer: C
Section: (none)
Explanation
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QUESTION 11
Users report the following message appears when browsing to the company’s secure site: This website cannot be trusted.Which of the following actions should a security analyst take to resolve these messages? (Select two.)
A. Verify the certificate has not expired on the server.
B. Ensure the certificate has a .pfx extension on the server.
C. Update the root certificate into the client computer certificate store.
D. Install the updated private key on the web server.
E. Have users clear their browsing history and relaunch the session.
Correct Answer: AC
Section: (none)
Explanation
Explanation/Reference:
QUESTION 12 Joe, an employee, wants to show his colleagues how much he knows about smartphones. Joe demonstrates a free movie application that he installed from a third party on his corporate smartphone. Joe’s colleagues were unable to find the application in the app stores. Which of the following allowed Joe to install the application?(Select two.) A. Near-field communication. B. Rooting/jailbreaking C. Ad-hoc connections D. Tethering E. Sideloading
Correct Answer: BE Section: (none) Explanation Explanation/Reference: https://www.examtopics.com/discussions/comptia/view/9878-exam-sy0-501-topic-1-question-32-discussion/
QUESTION 13 Which of the following can be provided to an AAA system for the identification phase? A. Username B. Permissions C. One-time token D. Private certificate
Correct Answer: A
Section: (none)
Explanation
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QUESTION 14
Which of the following implements two-factor authentication?
A. A phone system requiring a PIN to make a call
B. At ATM requiring a credit card and PIN
C. A computer requiring username and password
D. A datacenter mantrap requiring fingerprint and iris scan
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 15
An organization is using a tool to perform a source code review. Which of the following describes the case in
which the tool incorrectly identifies the vulnerability?
A. False negative
B. True negative
C. False positive
D. True positive
Correct Answer: C
Section: (none)
Explanation
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QUESTION 16 A department head at a university resigned on the first day of the spring semester. It was subsequently determined that the department head deleted numerous files and directories from the server-based home directory while the campus was closed. Which of the following policies or procedures could have prevented this from occurring? A. Time-of-day restrictions B. Permission auditing and review C. Offboarding D. Account expiration
Correct Answer: C離職 Section: (none) Explanation Explanation/Reference: https://www.examtopics.com/discussions/comptia/view/1142-exam-sy0-501-topic-1-question-41-discussion/
QUESTION 17
A database backup schedule consists of weekly full backups performed on Saturday at 12:00 a.m. and daily
differential backups also performed at 12:00 a.m. If the database is restored on Tuesday afternoon, which of
the following is the number of individual backups that would need to be applied to complete the database
recovery?
A. 1
B. 2
C. 3
D. 4
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 18
A security consultant discovers that an organization is using the PCL protocol to print documents, utilizing the default driver and print settings. Which of the following is the MOST likely risk in this situation?
A. An attacker can access and change the printer configuration.
B. SNMP data leaving the printer will not be properly encrypted.
C. An MITM attack can reveal sensitive information.
D. An attacker can easily inject malicious code into the printer firmware.
E. Attackers can use the PCL protocol to bypass the firewall of client computers.
Correct Answer: A Section: (none) Explanation Explanation/Reference: https://www.examtopics.com/discussions/comptia/view/2214-exam-sy0-501-topic-1-question-46-discussion/
QUESTION 19 When performing data acquisition on a workstation, which of the following should be captured based on memory volatility? (Select two.) A. USB-attached hard disk B. Swap/pagefile C. Mounted network storage D. ROM E. RAM
Correct Answer: BE
Section: (none)
Explanation
QUESTION 20
A security administrator has found a hash in the environment known to belong to malware.
The administrator then finds this file to be in in the preupdate area of the OS, which indicates it was pushed from the central patch system.
File: winx86_adobe_flash_upgrade.exe
Hash: 99ac28bede43ab869b853ba62c4ea243
The administrator pulls a report from the patch management system with the following output:
Ingtall Date Package Name Target Devices Hash
10/10/2017 java_11.2_x64.exe HQ PC’ s 01ab28bbde63aa879b35bba62cde3283
10/10/2017 winx@6_adobe_flash_upgrade.exe HQ PC’ g 99ac28bede43ab869b853ba62c4ea243
Given the above outputs, which of the following MOST likely happened?
A. The file was corrupted after it left the patch system.
B. The file was infected when the patch manager downloaded it.
C. The file was not approved in the application whitelist system.
D. The file was embedded with a logic bomb to evade detection.
Correct Answer: B Section: (none) Explanation Explanation/Reference: 這文件在USER端跟WSUS端一樣 代表在WSUS就已經被感染惹 https://www.examtopics.com/discussions/comptia/view/6770-exam-sy0-501-topic-1-question-53-discussion/
QUESTION 21 A network administrator at a small office wants to simplify the configuration of mobile clients connecting to an encrypted wireless network. Which of the following should be implemented in the administrator does not want to provide the wireless password or he certificate to the employees? A. WPS B. 802.1x C. WPA2-PSK D. TKIP
Correct Answer: A
Section: (none)
Explanation
Explanation/Reference:
A. Wi-Fi Protected Setup (WPS) allows users to configure a wireless network without typing in the passphrase.
It tries to make connections between a router and wireless devices faster and easier. WPS works only for wireless networks that use a password that is encrypted with the WPA Personal or WPA2 Personal security protocols.
WPS is an obsolete technology that should not ever be implemented IRL.
https://www.examtopics.com/discussions/comptia/view/13393-exam-sy0-501-topic-1-question-54-discussion/
QUESTION 22 When connected to a secure WAP, which of the following encryption technologies is MOST likely to be configured when connecting to WPA2-PSK? A. DES B. AES C. MD5 D. WEP
Correct Answer: B
Section: (none)
Explanation
Explanation/Reference:
QUESTION 23
A company has a data classification system with definitions for “Private” and “Public”. The company’s security policy outlines how data should be protected based on type. The company recently added the data type “Proprietary”.
Which of the following is the MOST likely reason the company added this data type?
A. Reduced cost
B. More searchable data
C. Better data classification
D. Expanded authority of the privacy officer
Correct Answer: C Section: (none) Explanation Explanation/Reference: 說明跟他們獲利有關
QUESTION 24
A company is terminating an employee for misbehavior. Which of the following steps is MOST important in the process of disengagement from this employee?
A. Obtain a list of passwords used by the employee.
B. Generate a report on outstanding projects the employee handled.
C. Have the employee surrender company identification.
D. Have the employee sign an NDA before departing.
Correct Answer: C Section: (none) Explanation Explanation/Reference: 應該是指ID卡 https://www.examtopics.com/discussions/comptia/view/3923-exam-sy0-501-topic-1-question-61-discussion/