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Q311. - (Topic 2)
A senior network security engineer has been tasked to decrease the attack surface of the corporate network. Which of the following actions would protect the external network interfaces from external attackers performing network scanning?
A. Remove contact details from the domain name registrar to prevent social engineering attacks.
B. Test external interfaces to see how they function when they process fragmented IP packets.
C. Enable a honeynet to capture and facilitate future analysis of malicious attack vectors.
D. Filter all internal ICMP message traffic, forcing attackers to use full-blown TCP port scans against external network interfaces.
Answer: B
Q312. - (Topic 3)
Several business units have requested the ability to use collaborative web-based meeting places with third party vendors. Generally these require user registration, installation of client-based ActiveX or Java applets, and also the ability for the user to share their desktop in read-only or read-write mode. In order to ensure that information security is not compromised, which of the following controls is BEST suited to this situation?
A. Disallow the use of web-based meetings as this could lead to vulnerable client-side components being installed, or a malicious third party gaining read-write control over an internal workstation.
B. Hire an outside consultant firm to perform both a quantitative and a qualitative risk-based assessment. Based on the outcomes, if any risks are identified then do not allow web-based meetings. If no risks are identified then go forward and allow for these meetings to occur.
C. Allow the use of web-based meetings, but put controls in place to ensure that the use of these meetings is logged and tracked.
D. Evaluate several meeting providers. Ensure that client-side components do not introduce undue security risks. Ensure that the read-write desktop mode can either be prevented or strongly audited.
Answer: D
Q313. - (Topic 3)
A small customer focused bank with implemented least privilege principles, is concerned about the possibility of branch staff unintentionally aiding fraud in their day to day interactions with customers. Bank staff has been encouraged to build friendships with customers to make the banking experience feel more personal. The security and risk team have decided that a policy needs to be implemented across all branches to address the risk. Which of the following BEST addresses the security and risk team’s concerns?
A. Information disclosure policy
B. Awareness training
C. Job rotation
D. Separation of duties
Answer: B
Q314. - (Topic 3)
A hosting company provides inexpensive guest virtual machines to low-margin customers. Customers manage their own guest virtual machines. Some customers want basic guarantees of logical separation from other customers and it has been indicated that some customers would like to have configuration control of this separation; whereas others want this provided as a value-added service by the hosting company. Which of the following BEST meets these requirements?
A. The hosting company should install a hypervisor-based firewall and allow customers to manage this on an as-needed basis.
B. The hosting company should manage the hypervisor-based firewall; while allowing customers to configure their own host-based firewall.
C. Customers should purchase physical firewalls to protect their guest hosts and have the hosting company manage these if requested.
D. The hosting company should install a host-based firewall on customer guest hosts and offer to administer host firewalls for customers if requested.
Answer: B
Q315. - (Topic 4)
Ann, a Physical Security Manager, is ready to replace all 50 analog surveillance cameras with IP cameras with built-in web management. Ann has several security guard desks on different networks that must be able to view the cameras without unauthorized people viewing the video as well. The selected IP camera vendor does not have the ability to authenticate users at the camera level. Which of the following should Ann suggest to BEST secure this environment?
A. Create an IP camera network and deploy NIPS to prevent unauthorized access.
B. Create an IP camera network and only allow SSL access to the cameras.
C. Create an IP camera network and deploy a proxy to authenticate users prior to accessing the cameras.
D. Create an IP camera network and restrict access to cameras from a single management host.
Answer: C
Q316. - (Topic 1)
A security administrator is shown the following log excerpt from a Unix system:
2013 Oct 10 07:14:57 web14 sshd[1632]: Failed password for root from 198.51.100.23 port 37914 ssh2
2013 Oct 10 07:14:57 web14 sshd[1635]: Failed password for root from 198.51.100.23 port 37915 ssh2
2013 Oct 10 07:14:58 web14 sshd[1638]: Failed password for root from 198.51.100.23 port 37916 ssh2
2013 Oct 10 07:15:59 web14 sshd[1640]: Failed password for root from 198.51.100.23 port 37918 ssh2
2013 Oct 10 07:16:00 web14 sshd[1641]: Failed password for root from 198.51.100.23 port 37920 ssh2
2013 Oct 10 07:16:00 web14 sshd[1642]: Successful login for root from 198.51.100.23 port 37924 ssh2
Which of the following is the MOST likely explanation of what is occurring and the BEST immediate response? (Select TWO).
A. An authorized administrator has logged into the root account remotely.
B. The administrator should disable remote root logins.
C. Isolate the system immediately and begin forensic analysis on the host.
D. A remote attacker has compromised the root account using a buffer overflow in sshd.
E. A remote attacker has guessed the root password using a dictionary attack.
F. Use iptables to immediately DROP connections from the IP 198.51.100.23.
G. A remote attacker has compromised the private key of the root account.
H. Change the root password immediately to a password not found in a dictionary.
Answer: C,E
Q317. - (Topic 2)
A security administrator is assessing a new application. The application uses an API that is supposed to encrypt text strings that are stored in memory. How might the administrator test that the strings are indeed encrypted in memory?
A. Use fuzzing techniques to examine application inputs
B. Run nmap to attach to application memory
C. Use a packet analyzer to inspect the strings
D. Initiate a core dump of the application
E. Use an HTTP interceptor to capture the text strings
Answer: D
Q318. - (Topic 5)
News outlets are beginning to report on a number of retail establishments that are experiencing payment card data breaches. The data exfiltration is enabled by malware on a compromised computer. After the initial exploit network mapping and fingerprinting occurs in preparation for further exploitation. Which of the following is the MOST effective solution to protect against unrecognized malware infections, reduce detection time, and minimize any damage that might be done?
A. Remove local admin permissions from all users and change anti-virus to a cloud aware, push technology.
B. Implement an application whitelist at all levels of the organization.
C. Deploy a network based heuristic IDS, configure all layer 3 switches to feed data to the IDS for more effective monitoring.
D. Update router configuration to pass all network traffic through a new proxy server with advanced malware detection.
Answer: B