CompTIA SY0-501 Security+ Take Ten Challenge #8Step 1 of 1010%8-1: A web site owner would like to provide a method for users to verify downloaded files. Which of the following would be the BEST choice for this requirement? Blowfish ECB Diffie-Hellman AES MD5 8-2: An encrypted document was downloaded by an attacker, and four hours later the decrypted version of the document was posted online. Which of the following would be the MOST likely reason for this security issue? End-of-life vulnerability Race condition Untrained users Weak cipher Invalid digital signature 8-3: A security administrator would like to maintain a centralized record of events from all switches, routers, and servers. Which of the following would provide this information? Data loss prevention Network access control Firewall Proxy SIEM 8-4: A large enterprise needs a secure method of backing up and maintaining web server encryption keys. Which of the following would BEST fit this requirement? MDM TPM GCM UTM HSM 8-5: During login, a user is required to enter a username, password, and group of numbers from a phone app. Every thirty seconds, the numbers change to a different random group of values. Which of the following would BEST describe this authentication factor? TOTP BYOD Something you do Hash Code signing 8-6: Which of the following would be the LEAST volatile? Network topology File in the /temp folder ARP table Application executable file CPU register 8-7: Which of the following certificate formats would be the BEST choice to send as an email message? PEM MD5 PKCS #12 DER RSA 8-8: Which of the following would BEST describe malware that resides on a user's computer and proxies all incoming and outgoing traffic? Phishing Man-in-the-browser Spoofing DoS Replay attack 8-9: A security administrator would like to create a graphical map of the local workstations and servers. Which of the following tools would be the BEST choice for this task? Vulnerability scanner Exploitation framework Steganography utility Network scanner Data sanitization tool 8-10: A computer in a data center has been labeled as EAL4. Which of the following would BEST describe this system? The computer is not connected to the Internet This computer is running the fourth version of the system image The computer is only accessible during certain times of the day The operating system meets a specific security baseline This computer receives patches every four days