Free Arcitura Education S90.19 Actual Exam Questions
The questions for this exam were last updated on January 7, 2026
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Question No. 1
A service is designed to respond to an error condition by issuing a message containing detailed error
information. This message includes connection information for a database that is shared by
numerous services within the service inventory. An attacker intentionally sends an invalid message to
the service in order to trigger an error and receive the connection information. The attacker then
proceeds to connect to the database and issues a series of malicious SQL queries that make the
database non-responsive. As a result, a number of services within the service inventory are disabled.
Which of the following types of attacks were successfully carried out?
information. This message includes connection information for a database that is shared by
numerous services within the service inventory. An attacker intentionally sends an invalid message to
the service in order to trigger an error and receive the connection information. The attacker then
proceeds to connect to the database and issues a series of malicious SQL queries that make the
database non-responsive. As a result, a number of services within the service inventory are disabled.
Which of the following types of attacks were successfully carried out?
Select all that apply, then reveal solution.
Question No. 2
Because of a new security requirement, all messages received by Service A need to be logged. This
requirement needs to be expressed in a policy that is part of Service A's service contract. However,
the addition of this policy must not impact existing service consumers that have already formed
dependencies on Service A's service contract. How can this be accomplished?
requirement needs to be expressed in a policy that is part of Service A's service contract. However,
the addition of this policy must not impact existing service consumers that have already formed
dependencies on Service A's service contract. How can this be accomplished?
Select one option, then reveal solution.
Question No. 3
Service A contains reporting logic that collects statistical data from different sources in order to
produce a report document. One of the sources is a Web service that exists outside of the
organizational boundary. Some of Service A's service consumers are encountering slow response
times and periods of unavailability when invoking Service A . While investigating the cause, it has
been discovered that some of the messages received from the external Web service contain
excessive data and links to files (that are not XML schemas or policies). What can be done to address
this issue?
produce a report document. One of the sources is a Web service that exists outside of the
organizational boundary. Some of Service A's service consumers are encountering slow response
times and periods of unavailability when invoking Service A . While investigating the cause, it has
been discovered that some of the messages received from the external Web service contain
excessive data and links to files (that are not XML schemas or policies). What can be done to address
this issue?
Select all that apply, then reveal solution.
Question No. 4
The application of the Message Screening pattern can help avoid which of the following attacks?
Select all that apply, then reveal solution.
Question No. 5
The Exception Shielding pattern can be applied together with the Trusted Subsystem pattern.
Select one option, then reveal solution.
Question No. 6
Which of the following types of attack always affect the availability of a service?
Select one option, then reveal solution.
Question No. 7
The exception shielding logic resulting from the application of the Exception Shielding pattern can be
centralized by applying which additional pattern?
centralized by applying which additional pattern?
Select one option, then reveal solution.
Question No. 8
The use of derived keys is based on symmetric encryption. This is similar to asymmetric encryption
because different keys can be derived from a session key and used separately for encryption and
decryption.
because different keys can be derived from a session key and used separately for encryption and
decryption.
Select one option, then reveal solution.
Question No. 9
Service A is part of a large service composition. Following an attack, Service A becomes non-
responsive. Which of the following attacks could be responsible for Service A's non-responsiveness?
responsive. Which of the following attacks could be responsible for Service A's non-responsiveness?
Select all that apply, then reveal solution.
Question No. 10
Service A contains a comprehensive message screening routine that can consume a lot of system
resources. Service consumers are reporting that sometimes Service A becomes non-responsive,
especially after it receives a message containing a large amount of content. This may be an indication
of which types of attacks?
resources. Service consumers are reporting that sometimes Service A becomes non-responsive,
especially after it receives a message containing a large amount of content. This may be an indication
of which types of attacks?
Select all that apply, then reveal solution.
Question No. 11
Which of the following statements is true?
Select one option, then reveal solution.
Question No. 12
The Trusted Subsystem pattern is applied to a service that provides access to a database. Select the
answer that best explains why this service is still at risk of being subjected to an insufficient
authorization attack.
answer that best explains why this service is still at risk of being subjected to an insufficient
authorization attack.
Select one option, then reveal solution.
Question No. 13
Which of the following types of WS-SecurityPolicy assertions is required in order to determine
whether derived keys are needed for a key agreement security session?
whether derived keys are needed for a key agreement security session?
Select one option, then reveal solution.
Question No. 14
The difference between the Exception Shielding and Message Screening patterns is in how the core
service logic processes incoming messages received by malicious service consumers?
service logic processes incoming messages received by malicious service consumers?
Select one option, then reveal solution.
Question No. 15
A malicious passive intermediary intercepts messages sent between two services. Which of the
following is the primary security concern raised by this situation?
following is the primary security concern raised by this situation?
Select one option, then reveal solution.