NO.1 Which of the following types of application attacks would be used to identify malware causing
security breaches that have NOT yet been identified by any trusted sources?
A. LDAP injection
B. XML injection
C. Directory traversal
SY0-401 難易度 SY0-401 独学
The security breaches have NOT yet been identified. This is zero day vulnerability. A zero day
vulnerability refers to a hole in software that is unknown to the vendor. This security hole is then
exploited by hackers before the vendor becomes aware and hurries to fix it-this exploit is called a
zero day attack. Uses of zero day attacks can include infiltrating malware, spyware or allowing
unwanted access to user information. The term "zero day" refers to the unknown nature of the hole
to those outside of the hackers, specifically, the developers. Once the vulnerability becomes known, a
race begins for the developer, who must protect users.
NO.2 During a recent audit, the auditors cited the company's current virtual machine infrastructure
as a concern. The auditors cited the fact that servers containing sensitive customer information
reside on the same physical host as numerous virtual machines that follow less stringent security
guild lines. Which of the following would be the best choice to implement to address this audit
concern while maintain the current infrastructure?
A. Move the virtual machines that contain the sensitive information to a separate host
B. Implement full disk encryption on all servers that do not contain sensitive customer data
C. Migrate the individual virtual machines that do not contain sensitive data to separate physical
D. Create new VLANs and segment the network according to the level of data sensitivity
NO.3 Recent data loss on financial servers due to security breaches forced the system administrator
to harden their systems. Which of the following algorithms with transport encryption would be
implemented to provide the MOST secure web connections to manage and access these servers?
Transport Layer Security (TLS) and its predecessor, Secure Sockets Layer (SSL), are cryptographic
protocols designed to provide communications security over a computer network. Transport Layer
Security (TLS) is a security protocol that expands upon SSL. Many industry analysts predict that TLS
will replace SSL in the future. TLS 1.0 was first defined in RFC 2246 in January 1999 as an upgrade of
SSL Version 3.0. As of February 2015, the latest versions of all major web browsers support TLS 1.0,
1.1, and 1.2, have them enabled by default.
NO.4 A security administrator wants to get a real time look at what attackers are doing in the wild,
hoping to lower the risk of zero-day attacks. Which of the following should be used to accomplish this
B. Penetration testing
C. Vulnerability scanning
D. Baseline reporting
SY0-401 学習 SY0-401 専門
A honeynet is a network set up with intentional vulnerabilities; its purpose is to invite attack, so that
an attacker's activities and methods can be studied and that information used to increase network
security. A honeynet contains one or more honey pots, which are computer systems on the Internet
expressly set up to attract and "trap" people who attempt to penetrate other people's computer
systems. Although the primary purpose of a honeynet is to gather information about attackers'
methods and motives, the decoy network can benefit its operator in other ways, for example by
diverting attackers from a real network and its resources. The Honeynet Project, a non-profit
research organization dedicated to computer security and information sharing, actively promotes the
deployment of honeynets. In addition to the honey pots, a honeynet usually has real applications and
services so that it seems like a normal network and a worthwhile target. However, because the
honeynet doesn't actually serve any authorized users, any attempt to contact the network from
without is likely an illicit attempt to breach its security, and any outbound activity is likely evidence
that a system has been compromised. For this reason, the suspect information is much more
apparent than it would be in an actual network, where it would have to be found amidst all the
legitimate network data. Applications within a honeynet are often given names such as "Finances" or
"Human Services" to make them sound appealing to the attacker.
A virtual honeynet is one that, while appearing to be an entire network, resides on a single server.
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試験科目：「CompTIA Security+ Certification」
問題と解答：全1782問 SY0-401 認定資格