网友您好, 请在下方输入框内输入要搜索的题目:
题目内容
(请给出正确答案)
Which three concerning the use of the java.io.Serializable interface are true?()
- A、 Objects from classes that use aggregation cannot be serialized.
- B、 Art object serialized on one JVM can be successfully deserialized on a different JVM.
- C、 The values in fields with the volatile modifier will NOT survive serialization anddeserialization.
- D、 The values in fields with the transient modifier will NOT survive serialization anddeserialization.
- E、 It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable.
参考答案
更多 “Which three concerning the use of the java.io.Serializable interface are true?()A、 Objects from classes that use aggregation cannot be serialized.B、 Art object serialized on one JVM can be successfully deserialized on a different JVM.C、 The values in fields with the volatile modifier will NOT survive serialization anddeserialization.D、 The values in fields with the transient modifier will NOT survive serialization anddeserialization.E、 It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable.” 相关考题
考题
Which of the following is NOT true about the gravity disc?
A.The location of the interface can be changed by exchanging the diameter of the gravity discB.A.larger diameter of gravity disc can cause the interface is far away from bow centerC.disc should not break the The diameter of gravity water sealD.In practice, the use of nomogram is the best oA530 operation
考题
Which is NOT TRUE? ________A. The kangaroos can go over nine metres in one jump.B. Koalas like eating leaves from gum trees.C. Koalas use their voices to mark their homes.
考题
According to the last paragraph, the fourth way is "of a different kind" because( )[A] the first three ways can increase the water supply, while the fourth one can't[B] the first three ways can make a better use of water, while the fourth one can't[C] the first three ways is technology-based, while the fourth one is market-based[D] the first three ways can't balance the supply and demand of water, while the fourth one can
考题
Which three statements about the Cisco MPLS TE Fast Reroute (FRR) process are true?()A、TE tunnels that are configured with the FRR option cannot be used as backup tunnels.B、TE tunnels that are configured with the FRR option can be used as backup tunnels.C、The backup tunnel that is used to protect a physical interface must have a valid IP address configured.D、Interfaces must use MPLS global label allocation.E、The source IP address of use backup tunnel and the merge point (MP) should not be reachable.
考题
Which statements concerning the correlation between the inner and outer instances of non-static inner classes are true?() A、Member variables of the outer instance are always accessible to inner instances, regardless of their accessibility modifiers.B、Member variables of the outer instance can never be referred to using only the variable name within the inner instance.C、More than one inner instance can be associated with the same outer instance.D、All variables from the outer instance that should be accessible in the inner instance must be declared final.E、A class that is declared final cannot have any inner classes.
考题
Which three configuration tasks are required to successfully deploy NBAR to recognize TCP and UDP stateful protocols? ()A、over leased lines, use the multilink ppp command to reduce latency and jitter, and to create Distributed Link Fragmentation and interleavingB、use the service-policy command to attach a traffic flow to an interface on the routerC、use the ip rsvp bandwidth command to set a strict upper limit on the bandwidth NBAR uses, and to guarantee admission of any flowsD、use the policy-map command to define one or more QoS policies (such as shaping, policing, and so on) to apply to traffic defined by a class mapE、use the random-detect dscp command to modify the default minimum and maximum thresholds for the DSCP valueF、use the class-map command to define one or more traffic classes by specifying the criteria by which traffic is classified
考题
Which three configuration tasks are required to successfully deploy NBAR to recognize TCP and UDP stateful protocols?()A、Over leased lines,use the multilink ppp command to reduce latency and jitter,and to create Distributed Link Fragmentation and interleaving.B、Use the service-policy command to attach a traffic flow to an interface on the router.C、Use the ip rsvp bandwidth command to set a strict upper limit on the bandwidth NBAR uses,and toguarantee admission of any flows.D、Use the policy-map command to define one or more QoS policies (such as shaping,policing,and so on) to apply to traffic defined by a class map.E、Use the random-detect dscp command to modify the default minimum and maximum thresholds for the DSCP value.F、Use the class-map command to define one or more traffic classes by specifying the criteria by which traffic is classified.
考题
Which of the following describes WebSphere Application Servers dynamic caching?()A、Stores and retrieves Java objects from memoryB、Provides disk offloading capabilityC、Cannot use session information to cache servlets or JSPsD、Can be shared but cannot be replicated among servers
考题
Which keyword can protect a class in a package from accessibility by the classes outside the package()。A、privateB、protectedC、finalD、don’t use any keyword at all (make it default)
考题
Which two statements are true about overflow pools?()A、Overflow pools do not support PATB、Overflow pools can not use the egress interface IP address for NATC、Overflow pools must use PATD、Overflow pools can contain the egress interface IP address or separate IP addresses
考题
Which three statements concerning the use of the java.io.Serializable interface are true?()A、Objects from classes that use aggregation cannot be serializedB、An object serialized on one JVM can be successfully deserialized on a different JVMC、The values in fields with the volatile modifier will NOT survive serialization and deserializationD、The values in fields with the transient modifier will NOT survive serialization and deserializationE、It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable
考题
Which two statements are true regarding the return values of property written hashCode and equals methods from two instances of the same class?()A、 If the hashCode values are different, the objects might be equal.B、 If the hashCode values are the same, the object must be equal.C、 If the hashCode values are the same, the objects might be equal.D、 If the hashCode values are different, the objects must be unequal.
考题
Users can define policy to control traffic flow between which two components?()A、from a zone to the device itselfB、from a zone to the same zoneC、from a zone to a different zoneD、from one interface to another interface
考题
Users can define policy to control traffic flow between which two components? ()(Choose two.)A、from a zone to the router itselfB、from a zone to the same zoneC、from a zone to a different zoneD、from one interface to another interface
考题
Regarding zone types, which statement is true?()A、You cannot assign an interface to a functional zone.B、You can specifiy a functional zone in a security policy.C、Security zones must have a scheduler applied.D、You can use a security zone for traffic destined for the device itself.
考题
Which three statements about subqueries are true?()A、A single row subquery can retrieve only one column and one row.B、A single row subquery can retrieve only one row but many columns.C、A multiple row subquery can retrieve multiple rows and multiple columns.D、A multiple row subquery can be compared by using the "" operator.E、A single row subquery can use the IN operator.F、A multiple row subquery can use the "=" operator.
考题
Which three statements concerning the use of the java.io.Serializable interface are true?()A、Objects from classes that use aggregation cannot be serialized.B、An object serialized on one JVM can be successfully deserialized on a different JVM.C、The values in fields with the volatile modifier will NOT survive serialization and deserialization.D、The values in fields with the transient modifier will NOT survive serialization and deserialization.E、It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable.
考题
You want to make use of the object features available in the database for the form module you are developing. Which three statements about object types are true? ()A、An object type is a user-defined composite data type. B、The attributes of an object type can be those of other object types. C、A PL/SQL table of records is an example of a nested object type. D、An object type must be declared as a type before the actual object itself can be declared.
考题
Which two statements are true regarding single row functions?()A、They accept only a single argument B、They can be nested only to two levels C、Arguments can only be column values or constants D、They always return a single result row for every row of a queried table E、They can return a data type value different from the one that is referenced
考题
多选题Which two statements are true regarding the return values of property written hashCode and equals methods from two instances of the same class?()AIf the hashCode values are different, the objects might be equal.BIf the hashCode values are the same, the object must be equal.CIf the hashCode values are the same, the objects might be equal.DIf the hashCode values are different, the objects must be unequal.
考题
多选题Which three statements about subqueries are true?()AA single row subquery can retrieve only one column and one row.BA single row subquery can retrieve only one row but many columns.CA multiple row subquery can retrieve multiple rows and multiple columns.DA multiple row subquery can be compared by using the “” operator.EA single row subquery can use the IN operator.FA multiple row subquery can use the “=” operator.
考题
多选题Which three concerning the use of the java.io.Serializable interface are true?()AObjects from classes that use aggregation cannot be serialized.BArt object serialized on one JVM can be successfully deserialized on a different JVM.CThe values in fields with the volatile modifier will NOT survive serialization anddeserialization.DThe values in fields with the transient modifier will NOT survive serialization anddeserialization.EIt is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable.
考题
多选题Which three statements concerning the use of the java.io.Serializable interface are true?()AObjects from classes that use aggregation cannot be serializedBAn object serialized on one JVM can be successfully deserialized on a different JVMCThe values in fields with the volatile modifier will NOT survive serialization and deserializationDThe values in fields with the transient modifier will NOT survive serialization and deserializationEIt is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable
考题
多选题You want to make use of the object features available in the database for the form module you are developing. Which three statements about object types are true? ()AAn object type is a user-defined composite data type.BThe attributes of an object type can be those of other object types.CA PL/SQL table of records is an example of a nested object type.DAn object type must be declared as a type before the actual object itself can be declared.
考题
单选题Which of the following can be inferred from the passage, about the adherents of “certain theories of nonrepresentational art”?A
They consider the use of illusion to be inappropriate in contemporary art.B
They do not agree the marks on a flat surface can ever satisfactorily convey the illusion of three-dimensional space.C
They do not discuss important works of art created in the past.D
They do not think that the representation of nature was ever the primary goal of past painters.
考题
多选题Which three statements concerning the use of the java.io.Serializable interface are true?()AObjects from classes that use aggregation cannot be serialized.BAn object serialized on one JVM can be successfully deserialized on a different JVM.CThe values in fields with the volatile modifier will NOT survive serialization and deserialization.DThe values in fields with the transient modifier will NOT survive serialization and deserialization.EIt is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable.
考题
多选题Which three statements are true regarding subqueries?()ASubqueries can contain GROUP BY and ORDER BY clausesBMain query and subquery can get data from different tablesCMain query and subquery must get data from the same tablesDSubqueries can contain ORDER BY but not the GROUP BY clauseEOnly one column or expression can be compared between the main query and subqueryFMultiple columns or expressions can be compared between the main query and subquery
热门标签
最新试卷