CAS-003 sample questions

Question 1

Given the output blow from a local PC. Which of the following ACLs on a stateful host-based firewall would allow the PC to serve an intranet website?

Accepted Answer

Allow 172.30.0.28:80 -> 172.30.0.0/16

Answer

Allow 172.30.0.28:80 -> ANY

Answer

Allow 172.30.0.28:80 -> 172.30.0.28:443

Answer

Allow 172.30.0.28:80 -> 172.30.0.28:53

Question 2

A penetration tester has been contracted to conduct a physical assessment of a site. Which of the following is the MOST plausible method of social engineering to be conducted during this engagement?

Accepted Answer

Posing as a copier service technician and indicating the equipment had “phoned home” to alert the technician for a service call

Answer

Randomly calling customer employees and posing as a help desk technician requiring user password to resolve issues

Answer

Simulating an illness while at a client location for a sales call and then recovering once listening devices are installed

Answer

Obtaining fake government credentials and impersonating law enforcement to gain access to a company facility

Question 3

A penetration tester is conducting an assessment on Comptia.org and runs the command below from a coffee shop while connected to the public Internet.

Which of the following should the penetration tester conclude about the command output?

Accepted Answer

Comptia.org is running an older mail server, which may be vulnerable to exploits

Answer

The public/private views on the Comptia.org DNS servers are misconfigured

Answer

The DNS SPF records have not been updated for Comptia.org

Answer

192.168.102.67 is a backup mail server that may be more vulnerable to attack

Question 4

Two new technical SMB security settings have been enforced and have also become policies that increase secure communications.

Network Client: Digitally sign communication

Network Server: Digitally sign communication

A storage administrator in a remote location with a legacy storage array, which contains timesensitive data, reports employees can no longer connect to their department shares. Which of the following mitigation strategies should an information security manager recommend to the data owner?

Accepted Answer

Accept the risk, reverse the settings for the remote location, and have the remote location file a risk exception until the legacy storage device can be upgraded

Answer

Accept the risk for the remote location, and reverse the settings indefinitely since the legacy storage device will not be upgraded

Answer

Mitigate the risk for the remote location by suggesting a move to a cloud service provider. Have the remote location request an indefinite risk exception for the use of cloud storage

Answer

Avoid the risk, leave the settings alone, and decommission the legacy storage device

Question 5

A security engineer is designing a system in which offshore, outsourced staff can push code from the development environment to the production environment securely. The security engineer is concerned with data loss, while the business does not want to slow down its development process. Which of the following solutions BEST balances security requirements with business need?

Accepted Answer

Use online collaboration tools to initiate workstation-sharing sessions with local staff who have access to the development network

Answer

Set up a VDI environment that prevents copying and pasting to the local workstations of outsourced staff members

Answer

Install a client-side VPN on the staff laptops and limit access to the development network

Answer

Create an IPSec VPN tunnel from the development network to the office of the outsourced staff

Question 6

A systems security engineer is assisting an organization’s market survey team in reviewing requirements for an upcoming acquisition of mobile devices. The engineer expresses concerns to the survey team about a particular class of devices that uses a separate SoC for baseband radio I/O. For which of the following reasons is the engineer concerned?

Accepted Answer

The organization will be unable to restrict the use of NFC, electromagnetic induction, and Bluetooth technologies

Answer

These devices can communicate over networks older than HSPA+ and LTE standards, exposing device communications to poor encryptions routines

Answer

The associated firmware is more likely to remain out of date and potentially vulnerable

Answer

The manufacturers of the baseband radios are unable to enforce mandatory access controls within their driver set

Question 7

During a security assessment, an organization is advised of inadequate control over network segmentation. The assessor explains that the organization’s reliance on VLANs to segment traffic is insufficient to provide segmentation based on regulatory standards.

Which of the following should the organization consider implementing along with VLANs to provide a greater level of segmentation?

Accepted Answer

Network virtualization

Answer

Air gaps

Answer

Access control lists

Answer

Spanning tree protocol

Answer

Elastic load balancing

Question 8

A security administrator was informed that a server unexpectedly rebooted. The administrator received an export of syslog entries for analysis (see below).

Which of the following does the log sample indicate? (Choose two.)

Accepted Answer

Jsmith successfully used a privilege escalation attack

Accepted Answer

Buffer overflow in memory paging caused a kernel panic

Answer

A root user performed an injection attack via kernel module

Answer

Encrypted payroll data was successfully decrypted by the attacker

Answer

Payroll data was exfiltrated to an attacker-controlled host

Answer

Syslog entries were lost due to the host being rebooted

CAS-003 Sample Questions & Answers

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CAS-003 Sample Questions & Answers

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