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CompTIA CAS-001 問題集

CAS-001

試験コード:CAS-001

試験名称:CompTIA Advanced Security Practitioner

最近更新時間:2025-06-29

問題と解答:全495問

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質問 1:
The threat abatement program manager tasked the software engineer with identifying the fastest implementation of a hash function to protect passwords with the least number of collisions. Which of the following should the software engineer implement to best meet the requirements?
A. hash1 = sha1(password + salt); hash = sha1 (hash1);
B. hash = sha512(password + salt); for (k = 0; k < 3000; k++) { hash = sha512 (hash + password + salt); }
C. hash = sha512(password + salt);
for (k = 0; k < 4000; k++) {
hash = sha512 (hash);
}
D. hash = md5(password + salt);
for (k = 0; k < 5000; k++) {
hash = md5 (hash); }
正解:B

質問 2:
To prevent a third party from identifying a specific user as having previously accessed a service provider through an SSO operation, SAML uses which of the following?
A. SOAP calls
B. Discovery profiles
C. Transient identifiers
D. Security bindings
正解:C

質問 3:
A user logs into domain A using a PKI certificate on a smartcard protected by an 8 digit PIN. The credential is cached by the authenticating server in domain A.
Later, the user attempts to access a resource in domain B.
This initiates a request to the original authenticating server to somehow attest to the resource server in the second domain that the user is in fact who they claim to be.
Which of the following is being described?
A. Kerberos
B. SAML
C. Authorization
D. Authentication
正解:B

質問 4:
A general insurance company wants to set up a new online business. The requirements are that the solution needs to be:
Extendable for new products to be developed and added Externally facing for customers and business partners to login Usable and manageable Be able to integrate seamlessly with third parties for non core functions such as document printing Secure to protect customer's personal information and credit card information during transport and at rest
-
----
The conceptual solution architecture has specified that the application will consist of a traditional three tiered architecture for the front end components, an ESB to provide services, data transformation capability and legacy system integration and a web services gateway.
Which of the following security components will BEST meet the above requirements and fit into the solution architecture? (Select TWO).
A. Implement SSL encryption for all sensitive data flows and encryption of passwords of the data at rest.
B. Implement WS-Security for services authentication and XACML for service authorization.
C. Implement a certificate based solution on a smart card in combination with a PIN to provide authentication and authorization of users.
D. Implement WS-Security as a federated single sign-on solution for authentication authorization of users.
E. Use application level encryption to encrypt sensitive fields, SSL encryption on sensitive flows, and database encryption for sensitive data storage.
F. Use end-to-end application level encryption to encrypt all fields and store them encrypted in the database.
正解:B,E

質問 5:
The Linux server at Company A hosts a graphical application widely used by the company designers. One designer regularly connects to the server from a Mac laptop in the designer's office down the hall. When the security engineer learns of this it is discovered the connection is not secured and the password can easily be obtained via network sniffing. Which of the following would the security engineer MOST likely implement to secure this connection?
Linux Server: 192.168.10.10/24
Mac Laptop: 192.168.10.200/24
A. From the Mac, establish a SSH tunnel to the Linux server and connect the VNC to
127.0.0.1.
B. From the Mac, establish a VPN to the Linux server and connect the VNC to 127.0.0.1.
C. From the server, establish an SSH tunnel to the Mac and VPN to 192.168.10.200.
D. From the Mac, establish a remote desktop connection to 192.168.10.10 using Network Layer Authentication and the CredSSP security provider.
正解:A

質問 6:
A company is preparing to upgrade its NIPS at five locations around the world. The three platforms the team plans to test, claims to have the most advanced features and lucrative pricing.
Assuming all platforms meet the functionality requirements, which of the following methods should be used to select the BEST platform?
A. Evaluate each platform based on the total cost of ownership.
B. Develop a service level agreement to ensure the selected NIPS meets all performance requirements.
C. Run a cost/benefit analysis based on the data received from the RFP.
D. Establish return on investment as the main criteria for selection.
正解:A

質問 7:
A large hospital has implemented BYOD to allow doctors and specialists the ability to access patient medical records on their tablets. The doctors and specialists access patient records over the hospital's guest WiFi network which is isolated from the internal network with appropriate security controls. The patient records management system can be accessed from the guest network and requires two factor authentication. Using a remote desktop type interface, the doctors and specialists can interact with the hospital's system. Cut and paste and printing functions are disabled to prevent the copying of data to BYOD devices. Which of the following are of MOST concern? (Select TWO).
A. Remote wiping of devices should be enabled to ensure any lost device is rendered inoperable.
B. Malware may be on BYOD devices which can extract data via key logging and screen scrapes.
C. Privacy could be compromised as patient records can be viewed in uncontrolled areas.
D. Device encryption has not been enabled and will result in a greater likelihood of data loss.
E. The guest WiFi may be exploited allowing non-authorized individuals access to confidential patient data.
正解:B,C

質問 8:
A new malware spreads over UDP Port 8320 and several network hosts have been infected. A new security administrator has determined a possible cause, and the infected machines have been quarantined. Which of the following actions could a new security administrator take to further mitigate this issue?
A. Add an explicit deny-all and log rule as the final entry of the firewall rulebase.
B. Configure the firewall to use IPv6 by default.
C. Limit source ports on the firewall to specific IP addresses.
D. Implement stateful UDP filtering on UDP ports above 1024.
正解:A

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CompTIA Advanced Security Practitioner 認定 CAS-001 試験問題:

1. Three companies want to allow their employees to seamlessly connect to each other's wireless corporate networks while keeping one consistent wireless client configuration. Each company wants to maintain its own authentication infrastructure and wants to ensure that an employee who is visiting the other two companies is authenticated by the home office when connecting to the other companies' wireless network. All three companies have agreed to standardize on 802.1x EAP-PEAP-MSCHAPv2 for client configuration. Which of the following should the three companies implement?

A) The three companies should implement a central portal-based single sign-on and agree to use the same CA when issuing client certificates.
B) The three companies should agree on a single SSID and configure a hierarchical RADIUS system which implements trust delegation.
C) The three companies should implement federated authentication through Shibboleth connected to an LDAP backend and agree on a single SSID.
D) All three companies should use the same wireless vendor to facilitate the use of a shared cloud based wireless controller.


2. A medium-sized company has recently launched an online product catalog. It has decided to keep the credit card purchasing in-house as a secondary potential income stream has been identified in relation to sales leads. The company has decided to undertake a PCI assessment in order to determine the amount of effort required to meet the business objectives. Which compliance category would this task be part of?

A) Company policy
B) Company guideline
C) Industry standard
D) Government regulation


3. 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) Update router configuration to pass all network traffic through a new proxy server with advanced malware detection.
B) Implement an application whitelist at all levels of the organization.
C) Remove local admin permissions from all users and change anti-virus to a cloud aware, push technology.
D) Deploy a network based heuristic IDS, configure all layer 3 switches to feed data to the IDS for more effective monitoring.


4. The security manager is in the process of writing a business case to replace a legacy secure web gateway so as to meet an availability requirement of 99.9% service availability.
According to the vendor, the newly acquired firewall has been rated with an MTBF of 10,000 hours and has an MTTR of 2 hours. This equates to 1.75 hours per year of downtime. Based on this, which of the following is the MOST accurate statement?

A) The firewall will not meet the availability requirement because availability will be 99.2%.
B) The firewall will not meet the availability requirement because availability will be 85%.
C) The firewall will meet the availability requirement because availability will be 99.98%.
D) The firewall will meet the availability requirement because availability will be 99.993%.


5. A security engineer at a major financial institution is prototyping multiple secure network configurations. The testing is focused on understanding the impact each potential design will have on the three major security tenants of the network. All designs must take into account the stringent compliance and reporting requirements for most worldwide financial institutions.Which of the following is the BEST list of security lifecycle related concerns related to deploying the final design?

A) Ensuring smooth transition of maintenance resources to support the new network, updating all whole disk encryption keys to be compatible with IPv6, and maximizing profits for bank shareholders.
B) Decommissioning the existing network smoothly, implementing maintenance and operations procedures for the new network in advance, and ensuring compliance with applicable regulations and laws.
C) Decommissioning plan for the new network, proper disposal protocols for the existing network equipment, transitioning operations to the new network on day one, and ensuring compliance with corporate data retention policies.
D) Resistance of the new network design to DDoS attacks, ability to ensure confidentiality of all data in transit, security of change management processes and procedures, and resilience of the firewalls to power fluctuations.
E) Interoperability with the Security Administration Remote Access protocol, integrity of the data at rest, overall network availability, and compliance with corporate and government regulations and policies.


質問と回答:

質問 # 1
正解: B
質問 # 2
正解: C
質問 # 3
正解: B
質問 # 4
正解: C
質問 # 5
正解: B

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