oracle weblogic认证考试.pdf

oracle 1z0-523 oracle application grid 11g essentials question no: 1 which interface provides the ability to see changes in real-time as they occur? a. concunentmap b. java. util. abstractmap c. observablemap d. invocablemap answer: c explanation: question no: 2 coherence provides the ideal infrastructure for building _ services, and the _ applications. a. data grid, client and server based b. ouster, client and server based c. data grid, dns based d. cloud cluster, client and server based answer: a explanation: question no: 3 node manager is a weblogic server _ that enables you to start, shut down, and restart administration server and managed server instances from a remote location. a. instance b. utility c. destination d. ouster answer: b question no: 4 which two oracle products come pre-packaged with oracles jrockit jdk? a. oracle weblogic server b. oracle coherence c. oracle database d. oracle real time operations control answer: a,b explanation: question no: 5 which three of the following are considered fixed asset depreciation rule components? a. international depreciation methods b. header c. annual rules d. rule conventions e. predefined depreciation methods answer: b,c,d explanation: question no: 6 as a best practice, what would you change in the following command line to create successful domain template my weblogic domain? pack -domain=c: oracleuser_projectsdomainsmydomain - template=c:oracleuser_templatesmydomain -template_name=my weblogic domain a. pack -domain=c:oracleuser_projectsdomainsmydomain.dll - template=c:oracleuser_templatesmydomain.jar -template_name=my weblogic domain b. pack-domain=c:oracleuser_projectsdomainsmydomain.jar - template=c:oracleuserj:emplatesmydomain -template_name=nmy weblogic domain c. pack -domain=c:oracleuser_projectsdomainsmydomain - template=c:oracleuser_templatesmydornain.jar -template_name=my weblogic domain d. pack -domain=c:oracleuser_projectsdomainsmydomain.jar - template=c:oracleuser_templatesmydomain.jar -template_name=my weblogic domain answer: c explanation: question no: 7 in a typical production environment, which server(s) hosts the application? a. node server b. administration server c. managed server d. configuration server answer: c explanation: question no: 8 in a typical production environment, which server(s) hosts the application? a. node server b. administration server c. managed server d. configuration server answer: c explanation: question no: 9 which three data source integrations are provided by coherence out of the box? a. toplink grid and toplink essentials b. java persistence api (jpa) c. open database connectivity (odbc) d. file system e. java database connectivity (jdbc) answer: a,b,e explanation: question no: 10 which two statements are true about the application grid? a. application grid computing brings key industry-leading technologies like ms iis and grade weblogic server together. b. application grid computing promotes well architected sharing of resources. c. application grid computing is based on oracles rac technology. d. application grid computing results in more predictable behavior through better instrumentation and more optimal allocation of resources. answer: b,d explanation: question no: 11 which statement is true about xpausetarget in oracle jrockit jvm? a. this option is supported by all type of garbage collection modes. b. this option is only supported by generational garbage collection mode. c. this option is only supported by mark and sweep garbage collection model. d. this option is only supported by dynamic garbage collection model. answer: d explanation: question no: 12 identify the feature of weblogic jms: if the message destination (5, not available at the moment the sages are being sent, either because of network problems or system failures, then the messages are saved on a local server instance, and are forwarded to the remote destination once it becomes available. a. unit of work b. store-and-forward c. unit of order d. distributed destinations answer: b explanation: question no: 13 in real operations insight, metrics are sent from the various weblogic suite components into enterprise manager for _ and_. a. optimization b. visualization c. automation d. customization answer: a,c explanation: question no: 14 when scaling coherence from one to two cache servers, it will not show the same scalability as two to four. why? a. coherence uses a more efficient tcmp algorithm going from two to four cache servers. b. when going from one to two cache servers, object backups are copied across servers so work is doubled, but going from two to four is a fixed amount of work. c. near cache is enabled with a larger quorum thus performance is improved. d. all of the above. answer: b explanation: question no: 15 this is a special weblogic server instance included by the weblogic server domains. it represents a central point from which you configure and manage all resources in the domain. a. managed server b. web server c. administration server d. node server answer: c explanation: question no: 16 you are an enterprise architect in a large it organization. your organization has deployed applications on a variety of containers such as wls, websphere, and jboss. why would you consider consolidating on a single type of container (instead of a mix)? a. guarantee of higher application performance and reliability if the transactions are flowing between instances of the same container type. b. easier to build a shared services infrastructure that can provide best practices, tools and expertise around ha/management. with a single type of container than a mix of multiple types. c. youll save on hardware costs with a homogeneous environment. d. its a necessary step in our move toward adopting soa. answer: b explanation: question no: 17 which two statements are true when a coherence cluster member is lost? a. remaining members recover by repartitioning the data across the remaining cluster members in parallel with normal request processing. b. some latencies may be experienced due to higher priority of recovery. c. in flight operations may be lost. d. a system administrator must manually assist recovery of the lost data. answer: a,b explanation: question no: 18 which two statements are true about oracle jrockit mission control (jrmc)? a. jrmc is platform neutral. it supports most jvms in market. b. jrmc is used for deep visibility and analysis of single jvms. c. jrmc comes with custom in-memory agents and is supported by standard apis (jvmt1). d. jrmc is bundled with the weblogic suite and weblogic server ee. answer: c,d explanation: question no: 19 which coherence caching pattern matches the sequence of events? 1. data is requested from the cache. 2. the requested data does not exist in the cache (cache miss). 3. the coherence cache store is used to read data from the back-end persistent data source, and placed in the cache. 4. data requested from the cache is returned to the caller. a. read through b. write through c. refresh ahead d. write behind answer: a explanation: question no: 20 which two are advantages of using wls jms instead of using a third-party jms provider (tibco, sonic, etc.)? a. jms subsystem of wls shares same jvm as core wls application server, so application avoids the overhead of message serialization/de-serialization (necessary when using a 3rd party jms provider with wls) b. wls jms is always faster than 3rd party jms providers c. unified operations and management tools across application server and jms provider will help with manageability and diagnostics d. wls jms more compliant with jms spec than 3rd party vendors answer: a,d explanation: question no: 21 you are at the client site working with a weblogic administrator who has to type username and password each time he/she starts an instance of oracle weblogic server and is quite annoyed by it. please suggest a secure and optimal way to reduce the typing of username password during server startup. a. since boot identity file for server doesnt exist, you recommend creating a script file that can automate the task of entering username and password b. since boot identity file for server doesnt exist you recommend reinstalling the server c. since boot identity file for server doesnt exist you recommend creating one as this file is referred for credentials d. since boot identity file for server doesnt exist, you recommend logging a support ticket with oracle answer: c question no: 22 identify two correct statements to complete the sentence. in a coherence implementation, it is a best practice to implement portableobject on all customer objects because: a. it leverages javas built-in serialization. b. it provides a more efficient serialization of the object. c. it allows the object to be shared across applications. d. it allows the object to be shared across programming platforms. answer: a,c explanation: question no: 23 which two stand-alone products are also parts of oracle web logic enterprise edition offering? a. oracle weblogic real time b. oracle internet application server c. oracle application development framework (adf) d. oracle enterprise pack for eclipse answer: c,d explanation: question no: 24 you are doing an environment assessment for a client that has invested in oracle rac for fault tolerance, load balancing, and scalability. the client also invested in clustered oracle weblogic server. you notice that this clients environment is not integrated for active-active high availability deployment of applications. what will be your recommendation to achieve that? a. metalink to rac b. clusterlink for rac c. toplink for rac d. gridlink for rac answer: d explanation: question no: 25 i guide users through the process of creating or extending a domain for their target environment: identify me. a. pack tool b. configuration wizard c. auditing provider d. node manager answer: b explanation: question no: 26 which two statements are true about the weblogic cluster? a. clustered servers capacity can be increased by adding new server instance to the cluster on an existing machine. b. clustered servers can be on a same or different machine with same operating system only c. clustered servers can only be on a same machine with same or different operating system d. clustered servers can be on a same or different machine with same or different operating system answer: a,b explanation: question no: 27 which two statements are true about interoperating with oracle aq jms with oracle weblogic server? a. if you select a non-xa jdbc driver, you can use weblogic aq jms in both local oracle database b. oracle weblogic server clusters; oracle database c. oracle weblogic server clusters; oracle database rac d. oracle oc4j; oracle database rac answer: c explanation: question no: 36 which console allows me to choose between stopping a weblogic managed server immediately versus quiescing it and stopping the server when all requests complete? a. grid control console b. fusion middleware console c. weblogic administration console d. camm console answer: c explanation: question no: 37 which oracle weblogic server feature would you recommend to your clients to enable a stand- alone message producer, or a group of producers acting as one with respect to the processing order? a. connection factory b. messaging bridge c. unit-of-order d. store-and-forward answer: c explanation: question no: 38 name three attributes used to configure a multi-data source in oracle weblogic. a. statement cache type b. logging last resource c. algorithm type d. failover request if busy e. jndi name answer: a,b,e explanation: question no: 39 at run time, each oracle weblogic server instance in a given domain creates an in-memory representation of the configuration described in this document. a. mds-mbeans.xml b. config.xml c. policy.xml d. data.xml answer: b explanation: question no: 40 which two statements are true about oracle activecache? a. it supports very large data-sets such as the result-sets from large search queries to be held in memory. b. it provides a set of management tools that enables automation of configuration. c. it provides enhanced visibility across the entire application infrastructure. d. it significantly increases the performance of web-based applications with no code change. answer: a,d explanation: question no: 41 identify architecturally where in an application, coherence stack will be used. a. coherence resides locally on the machines of all remote application users. b. coherence resides between remote users and the web tier. c. coherence resides between the web tier and application tier. d. coherence resides between the application tier and data tier. answer: c explanation: question no: 42 you want to use the coherence java apis to directly cache pojos. consider this snippet of code: namedcache cache - cachefactory.getcache(mycache); cache.put(new integer(l)f hello); cache.put(t, hi); cache.put(new long(ll), hey); this code inserts three objects into the cache. why? a. hashcode() and equals() method for each object type is different so a different key is used b. each object value string is different so a different value is inserted on each put c. equals () and compare() method is different for each put d. pof needs to be implemented for this to work properly answer: a explanation: question no: 43 abc company has approximately 150,000 products in their catalog and wants to put these within a coherence cache to improve performance and access times of their existing jee application without too much change to existing code. there are a number of servlets that get the same product information multiple times within a page. there are also a number of server-based processes that run at regular intervals and also request product information many times. products have small changes which need to be updated during the day. what would be the most appropriate caching scheme to use? a. near cache b. distributed cache c. local cache d. replicated cache answer: c explanation: question no: 44 which of these is an available oracle weblogic message bridge attribute? a. xa enabled b. connection url c. local jndi name d. quality of service answer: c explanation: question no: 45 see the build instructions for managing coherence via jmx and put the steps in order. 1.update set-env.cmd (or set-env.sh if you are building on unix) to reflect your system environment 2.open a command shell and execute set-env.cmd (or source set-env.sh if you are building on unix) 3. run ant build 4.deploy the jmx-console.war file found under the build directory to your application server. be sure to start your application server jvm with the necessary coherence management framework overrides. for example: -dtangosol.coherence.management=all 5.to remove build artifacts from your file system, run ant clean. a. 1,2,3,4,5 b. 1,3,2,4,5 c. 1,2,3,5,4 d. 2,1,3,4,5 answer: a explanation: question no: 46 which two statements are true about the oracle enterprise manager (oem)? a. oem can do management and monitoring across multiple wls domains b. oem is a unified solution for management and monitoring across entire architecture - web tier, app tier we need to supplement that with some specific wls-related capabilities. c. oem is not certified with latest version of wls. d. oem is really focused on the database tier, is not meant to address jee management and monitoring. answer: d explanation: question no: 58 which feature/offering of oracle application grid makes it particularly easy to significantly increase the performance of web-based applications with no code change? a. activecache b. store-and-forward c. messaging bridge d. metacache answer: a explanation: question no: 59 which statement is true about the cachefactory class? a. it is a topology agnostic way to access namedcaches b. it provides mechanisms to manage underlying remote data sources c. both a and b are true d. neither a nor b are true answer: d explanation: question no: 60 how can an oracle weblogic clusters capacity be increased? a. by adding server instances to the cluster on an existing machine b. by adding machines to host server for more clustered instances c. by adding machines to the cluster to host the incremental server instances d. by adding node managers to an existing machine answer: a,c explanation: question no: 61 to perform management activities, each domain requires its own a. administration server b. configuration wizard c. ant task d. node server answer: a explanation: question no: 62 how can the command-line coherence application in windows and unix be started? a. navigate to the $coherence_home directory and type bincoherence.cmd (windows) or ./bin/coherence.sh (unix) b. navigate to the $coherence_home directory and type coherence.cmd (windows) or bin/coherence.sh (unix) c. navigate to the $coherence_home directory and type bincoherence.cmd (windows) or coherence.sh (unix) d. all of the above answer: a explanation: question no: 63 choose the two correct statements regarding oracle weblogic server. a. a server instance can be associated with multiple machines. b. a machine can be associated with multiple server instances. c. a server instance can be associated with only a single machine. d. a machine can be associated with only one server instance. answer: b,c explanation: question no: 64 which two statements are true about the weblogic server domains? a. application programmers need to refer to domains in the