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In which two locations can library dependencies be defined for a web application? ()
A . the web application deployment descriptor
B . the /META-INF/dependencies.xml file
C . the /META-INF/MANIFEST.MF manifest file
D . the /META-INF/MANIFEST.MF manifest of a JAR in the web application classpath
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Which two are characteristics of RSVP? ()
A . RSVP itself provides bandwidth and delay guarantees.
B . For RSVP to be end-to-end, all devices must support RSVP.
C . RSVP reservations are maintained by a centralized reservations server.
D . An RSVP compatible QoS mechanism must be used to implement guarantees according to RSVP reservations.
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Which two are true about authentication?()
A . Form-based logins should NOT be used with HTTPS.
B . When using Basic Authentication the target server is NOT authenticated.
C . J2EE compliant web containers are NOT required to support the HTTPS protocol.
D . Web containers are required to support unauthenticated access to unprotected web resources.
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Which two are equivalent? ()
A . 16>4
B . 16/2
C . 16*4
D . 16>>2
E . 16/2^2
F . 16>>>2
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Which two are equivalent?()
A . 3/2
B . 3<2
C . 3*4
D . 3<<2
E . 3*2^2
F . 3<<<2
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Which two are equivalent?()
A . 3/2
B . 3<2
C . 3*4
D . 3<<2
E . 3*2^2
F . 3<<<2
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Which two are valid and equivalent?()
A . <%! int i; %>
B . <%= int i; %>
C . <jsp:expr>int i;</jsp:expr>
D . <jsp:scriptlet>int i;</jsp:scriptlet>
E . <jsp:declaration>int i;</jsp:declaration>
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Which two statements are true?()
A . It is possible for more than two threads to deadlock at once.
B . The JVM implementation guarantees that multiple threads cannot enter into a deadlocked state.
C . Deadlocked threads release once their sleep() method’s sleep duration has expired.
D . Deadlocking can occur only when the wait(), notify(), and notifyAll() methods are used incorrectly.
E . It is possible for a single-threaded application to deadlock if synchronized blocks are used incorrectly.
F . If a piece of code is capable of deadlocking, you cannot eliminate the possibility ofdeadlocking by insertinginvocations of Thread.yield().
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Which two choices are equivalent?()
A . 16 > 4
B . 16 / 2
C . 16 * 4
D . 16 >> 2
E . 16 / 22
F . 16 >>> 2
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Which two multicast protocol statements are true? (Choose two.) ()
A . Dense mode multicast requires explicit join messages from their members.
B . Dense mode multicast uses a push model to flood traffic throughout the network and then prunes the unwanted traffic.
C . Sparse mode multicast uses a pull model to send multicast traffic to where it is requested.
D . Sparse mode uses reverse path forwarding (RPF) to prune off redundant flows.
E . The primary use of sparse mode multicast is for test labs and router performance testing.
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Which are the two options to which a menu can be assigned?() (Choose two.)
A . menu
B . functions
C . data group
D . responsibility
E . functional grou
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Which two are characteristics of RSVP?()
A . RSVP itself provides bandwidth and delay guarantees.
B . For RSVP to be end-to-end, all devices must support RSVP.
C . RSVP reservations are maintained by a centralized reservations server.
D . An RSVP compatible QoS mechanism must be used to implement guarantees according to RSVP reservations.
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Which two are true?()
A . An encapsulated, public class promotes re-use.
B . Classes that share the same interface are always tightly encapsulated.
C . An encapsulated class allows subclasses to overload methods, but does NOT allow overriding methods.
D . An encapsulated class allows a programmer to change an implementation without affecting outside code.
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Which two statemets are true?()
A . DPT/RPR uses a bi-directional ring consisting of two symmetric counter rotating fibre rings.
B . DPT/RPR is defined in the IEEE 802.17 standard and it uses Token Bucket system to avoid collisions on the fiber.
C . In DPT/RPR rings, data packets can be sent in one direction (downstream) and the corresponding control packets in the opposite direction (upstream),thus using both fibres concurrently to maximise bandwidth.
D . DPT/RPR can be deployed in the Core of the SP networks where point-to-point POS links are used tomake best use of the Bandwidth.
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In which two web application directories can dependent classes and libraries be located? ()
A . /WEB-INF/lib as a JAR file
B . /META-INF/lib as a JAR file
C . /classes as compiled class files
D . /WEB-INF/lib as compiled class files
E . /WEB-INF/classes as compiled class files
F . /META-INF/classes as compiled class file
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Which two are character manipulation functions?()
A . TRIM
B . REPLACE
C . TRUNC
D . TO_DATE
E . MOD
F . CASE
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john has created a database library, librarians are responsible for adding new information to the db library. which one of the following minimum level of access he can grant the librarians of the db library?()
A . reader
B . author
C . manager
D . designer
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Which two statements are true?()
A . It is possible for more than two threads to deadlock at once.
B . The JVM implementation guarantees that multiple threads cannot enter into a deadlocked state.
C . Deadlocked threads release once their sleep() method's sleep duration has expired.
D . Deadlocking can occur only when the wait(), notify(), and notifyAll() methods are used incorrectly.
E . It is possible for a single-threaded application to deadlock if synchronized blocks are used incorrectly.
F . If a piece of code is capable of deadlocking, you cannot eliminate the possibility of deadlocking by inserting invocations of Thread.yield().
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Which two are true?()
A . A finalizer may NOT be invoked explicitly.
B . The finalize method declared in class Object takes no action.
C . super.finalize()is called implicitly by any over riding finalize method.
D . The finalize method for a given objec twill be called no more than once by the garbage collector.
E . The order in which finalize will be called on two objects is based on the order in which the two objects became finalizable.
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Which the two choices are equivalent?()
A . 3 / 2
B . 3 < 2
C . 3 * 4
D . 3 << 2
E . 3 * 22
F . 3 <<<2
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Which two of statements are true?()
A . It is possible to synchronize static methods.
B . When a thread has yielded as a result of yield(), it releases its locks.
C . When a thread is sleeping as a result of sleep(), it releases its locks.
D . The Object.wait() method can be invoked only from a synchronized context.
E . The Thread.sleep() method can be invoked only from a synchronized context.
F . When the thread scheduler receives a notify() request, and notifies a thread, that thread immediately releases its lock.
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Which of the two is like a library book?
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Which two statements are correct? Choose two answers.