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IBM認(rèn)證試題(附答案)

時(shí)間:2024-10-23 08:24:53 智聰 IBM認(rèn)證 我要投稿

IBM認(rèn)證試題(附答案)

  無(wú)論在學(xué)習(xí)或是工作中,我們最離不開(kāi)的就是試題了,試題可以幫助主辦方了解考生某方面的知識(shí)或技能狀況。大家知道什么樣的試題才是規(guī)范的嗎?下面是小編精心整理的IBM認(rèn)證試題(附答案),供大家參考借鑒,希望可以幫助到有需要的朋友。

IBM認(rèn)證試題(附答案)

  IBM認(rèn)證試題(附答案) 1

  一、單選題

  1. 在AIX系統(tǒng)中,用于查看文件系統(tǒng)使用情況的命令是( )

  A. df

  B. du

  C. ls

  D. cat

  答案:A。df命令用于報(bào)告文件系統(tǒng)磁盤(pán)空間的使用情況;du是用于估算文件或目錄的磁盤(pán)使用空間;ls主要用于列出目錄內(nèi)容;cat用于查看文件內(nèi)容。

  2. 以下哪種AIX文件系統(tǒng)類(lèi)型主要用于存儲(chǔ)大型數(shù)據(jù)庫(kù)等對(duì)I/O性能要求較高的數(shù)據(jù)?( )

  A. JFS

  B. JFS2

  C. NFS

  D. GPFS

  答案:D。GPFS(General Parallel File System)是一種高性能的分布式文件系統(tǒng),適合存儲(chǔ)大型數(shù)據(jù)庫(kù)等對(duì)I/O性能要求高的數(shù)據(jù)。JFS和JFS2是AIX的日志文件系統(tǒng),NFS主要用于網(wǎng)絡(luò)文件共享。

  3. 在AIX中,要設(shè)置一個(gè)用戶(hù)的主目錄,應(yīng)該修改哪個(gè)文件屬性?( )

  A. /etc/passwd

  B. /etc/group

  C. /etc/security/user

  D. /etc/hosts

  答案:A。在/etc/passwd文件中有用戶(hù)賬戶(hù)的.基本信息,包括用戶(hù)主目錄的設(shè)置。/etc/group用于管理用戶(hù)組;/etc/security/user主要用于設(shè)置用戶(hù)的安全相關(guān)屬性;/etc/hosts用于IP地址和主機(jī)名的映射。

  二、多選題

  1. AIX系統(tǒng)中,以下哪些是有效的用戶(hù)管理命令?( )

  A. useradd

  B. usermod

  C. userdel

  D. passwd

  答案:ABCD。useradd用于添加用戶(hù);usermod用于修改用戶(hù)屬性;userdel用于刪除用戶(hù);passwd用于修改用戶(hù)密碼。

  2. 當(dāng)AIX系統(tǒng)出現(xiàn)性能問(wèn)題時(shí),以下哪些工具可以用于性能監(jiān)測(cè)?( )

  A. topas

  B. vmstat

  C. iostat

  D. sar

  答案:ABCD。topas提供了系統(tǒng)性能的綜合視圖,包括CPU、內(nèi)存、磁盤(pán)I/O等;vmstat用于虛擬內(nèi)存統(tǒng)計(jì);iostat用于監(jiān)測(cè)磁盤(pán)I/O活動(dòng);sar可以收集、報(bào)告和保存系統(tǒng)活動(dòng)信息,用于性能分析。

  三、簡(jiǎn)答題

  1. 簡(jiǎn)述在AIX系統(tǒng)中如何安裝一個(gè)軟件包。

  答案:

  在AIX系統(tǒng)中,可以使用“installp”命令來(lái)安裝軟件包。例如,如果要安裝一個(gè)名為“package_name”的軟件包,并且軟件包文件位于本地光盤(pán)或者存儲(chǔ)庫(kù)中,首先要掛載存儲(chǔ)設(shè)備(如果是光盤(pán)則使用“mount”命令掛載)。然后使用命令“installp -a -d device_path/package_name”進(jìn)行安裝,其中“-a”選項(xiàng)表示應(yīng)用安裝(默認(rèn)行為),“-d”選項(xiàng)指定軟件包所在的設(shè)備路徑。安裝完成后,可以使用“l(fā)slpp -l package_name”命令來(lái)查看軟件包是否成功安裝以及安裝的版本等信息。

  2. 說(shuō)明在AIX系統(tǒng)中如何配置網(wǎng)絡(luò)接口。

  答案:

  在AIX系統(tǒng)中配置網(wǎng)絡(luò)接口主要通過(guò)以下步驟:

  首先,使用“ifconfig -a”命令查看現(xiàn)有網(wǎng)絡(luò)接口及其狀態(tài)。如果要配置一個(gè)以太網(wǎng)接口(例如“en0”),可以編輯“/etc/rc.tcpip”文件。在該文件中,找到關(guān)于要配置接口的部分。例如,對(duì)于設(shè)置IP地址、子網(wǎng)掩碼和默認(rèn)網(wǎng)關(guān),可以通過(guò)修改以下類(lèi)似的配置行:

  “ifconfig en0 inet address netmask gateway”,其中“address”是IP地址,“netmask”是子網(wǎng)掩碼,“gateway”是默認(rèn)網(wǎng)關(guān)。

  修改完成后,保存文件。可以使用“startsrc -s inetd”命令啟動(dòng)網(wǎng)絡(luò)服務(wù)使配置生效,或者重新啟動(dòng)系統(tǒng)來(lái)應(yīng)用新的網(wǎng)絡(luò)配置。

  IBM認(rèn)證試題(附答案) 2

  一、單選題

  1. 在WebSphere Application Server中,用于部署企業(yè)級(jí)Java應(yīng)用程序的工具是( )

  A. wsadmin

  B. Administrative Console

  C. RAD(Rational Application Developer)

  D. IBM Installation Manager

  答案:B。Administrative Console是WebSphere Application Server用于部署、配置和管理應(yīng)用程序的主要工具。wsadmin是一個(gè)命令行腳本工具;RAD主要用于開(kāi)發(fā)應(yīng)用程序;IBM Installation Manager用于安裝軟件產(chǎn)品。

  2. 以下哪個(gè)是WebSphere中用于管理應(yīng)用服務(wù)器安全性的組件?( )

  A. LDAP(Lightweight Directory Access Protocol)

  B. JAAS(Java Authentication and Authorization Service)

  C. SSL(Secure Sockets Layer)

  D. SPNEGO(Simple and Protected GSS - API Negotiation Mechanism)

  答案:B。JAAS在WebSphere中用于管理應(yīng)用服務(wù)器的認(rèn)證和授權(quán),提供了Java平臺(tái)的安全框架。LDAP主要用于目錄服務(wù);SSL用于網(wǎng)絡(luò)通信安全;SPNEGO是一種身份驗(yàn)證機(jī)制,但JAAS是更全面的安全管理組件。

  二、多選題

  1. 在WebSphere Application Server環(huán)境中,優(yōu)化性能時(shí)可以考慮以下哪些方面?( )

  A. 調(diào)整JVM(Java Virtual Machine)參數(shù)

  B. 配置數(shù)據(jù)庫(kù)連接池

  C. 啟用HTTP/2協(xié)議

  D. 優(yōu)化應(yīng)用程序代碼邏輯

  答案:ABCD。調(diào)整JVM參數(shù)可以改善內(nèi)存管理和性能;配置合理的數(shù)據(jù)庫(kù)連接池能提高數(shù)據(jù)庫(kù)訪問(wèn)效率;啟用HTTP/2協(xié)議可以提升網(wǎng)絡(luò)傳輸性能;優(yōu)化應(yīng)用程序代碼邏輯本身也是性能優(yōu)化的關(guān)鍵部分。

  2. 以下哪些是WebSphere支持的應(yīng)用程序部署模式?( )

  A. 本地部署

  B. 分布式部署

  C. 虛擬部署

  D. 容器化部署

  答案:AB。WebSphere支持本地部署(將應(yīng)用程序部署在本地應(yīng)用服務(wù)器上)和分布式部署(應(yīng)用程序分布在多個(gè)節(jié)點(diǎn)的應(yīng)用服務(wù)器環(huán)境中)。虛擬部署這個(gè)概念在WebSphere傳統(tǒng)的部署模式定義中不太常見(jiàn);雖然可以將WebSphere運(yùn)行在容器環(huán)境,但容器化部署不是其傳統(tǒng)意義上的典型部署模式。

  三、簡(jiǎn)答題

  1. 簡(jiǎn)述在WebSphere Application Server中如何進(jìn)行故障診斷。

  答案:

  在WebSphere Application Server中進(jìn)行故障診斷可以通過(guò)以下幾種方式:

  查看系統(tǒng)日志:WebSphere會(huì)記錄詳細(xì)的日志信息,包括應(yīng)用程序錯(cuò)誤、服務(wù)器啟動(dòng)和停止信息等?梢酝ㄟ^(guò)Administrative Console查看服務(wù)器日志,找到可能的錯(cuò)誤消息,如“SystemOut.log”和“SystemErr.log”。

  啟用詳細(xì)跟蹤:對(duì)于特定的組件或應(yīng)用程序,可以在Administrative Console中啟用詳細(xì)的.跟蹤功能。這會(huì)產(chǎn)生更詳細(xì)的調(diào)試信息,幫助定位問(wèn)題。例如,對(duì)于EJB(Enterprise JavaBeans)組件,可以設(shè)置EJB容器的跟蹤級(jí)別。

  使用監(jiān)控工具:利用WebSphere自帶的性能監(jiān)控工具,如PMI(Performance Monitoring Infrastructure)?梢员O(jiān)控服務(wù)器資源使用情況、應(yīng)用程序響應(yīng)時(shí)間等指標(biāo)。如果發(fā)現(xiàn)某個(gè)指標(biāo)異常,如CPU使用率過(guò)高或者響應(yīng)時(shí)間過(guò)長(zhǎng),有助于縮小故障范圍。

  檢查應(yīng)用程序代碼:很多故障可能是由于應(yīng)用程序代碼錯(cuò)誤引起的。可以通過(guò)檢查代碼中的異常處理、數(shù)據(jù)庫(kù)連接、資源釋放等部分來(lái)發(fā)現(xiàn)潛在問(wèn)題。

  2. 說(shuō)明如何在WebSphere中配置集群環(huán)境。

  答案:

  在WebSphere中配置集群環(huán)境主要步驟如下:

  準(zhǔn)備節(jié)點(diǎn):確保有多個(gè)節(jié)點(diǎn)(可以是物理服務(wù)器或者虛擬服務(wù)器)安裝了WebSphere Application Server。這些節(jié)點(diǎn)需要在網(wǎng)絡(luò)上相互通信。

  創(chuàng)建集群:在Administrative Console中,通過(guò)導(dǎo)航到“Servers > Clusters > New”來(lái)創(chuàng)建一個(gè)新的集群。定義集群名稱(chēng)、選擇合適的節(jié)點(diǎn)組等屬性。

  添加成員:將應(yīng)用服務(wù)器實(shí)例添加到集群中作為成員?梢栽趧(chuàng)建集群后,在集群的配置頁(yè)面選擇“Add Server”來(lái)添加現(xiàn)有的服務(wù)器實(shí)例或者創(chuàng)建新的服務(wù)器實(shí)例加入集群。

  配置負(fù)載均衡:可以使用WebSphere內(nèi)置的負(fù)載均衡機(jī)制或者外部的負(fù)載均衡設(shè)備。在WebSphere中,通過(guò)配置插件(如HTTP插件)來(lái)實(shí)現(xiàn)對(duì)集群成員的請(qǐng)求分發(fā),將客戶(hù)端請(qǐng)求均衡地分配到各個(gè)集群成員上。

  同步配置:在集群環(huán)境中,需要確保配置在各個(gè)節(jié)點(diǎn)之間同步?梢允褂肳ebSphere提供的配置同步功能,將集群主節(jié)點(diǎn)的配置同步到其他成員節(jié)點(diǎn)。

  部署應(yīng)用程序:將應(yīng)用程序部署到集群環(huán)境中,應(yīng)用程序會(huì)在集群中的各個(gè)成員服務(wù)器上運(yùn)行,從而實(shí)現(xiàn)高可用性和負(fù)載均衡。

  IBM認(rèn)證試題(附答案) 3

  1. Which of the following is an option given in the First Steps application that runs automatically after installation?

  A.Start the server.

  B.Execute wsadmin.

  C.Configure resources.

  D.Run the Snoop servlet.

  ANSWER: A

  2. Which one of the following can be used to instantiate resource adapter classes for establishing and maintaining resource connections?

  A.a data source.

  B.connection factories.

  C.connection pool settings.

  D.a JMS activation specification.

  ANSWER: B

  3. Global security is turned on for a federated cell using a file-based federated repository. The administrator created a new security domain called App1Domain using local operating system registry and mapping it to the application server. The administrator also created a new local operating system user ID App1Admin.Which one of the following is true when the new security domain is enabled to secure Application1?

  A.The administrator can access Application1.

  B.The administrator can disable Application1 security.

  C.App1Admin can disable Application1 security.

  D.App1Admin can access the administrative console.

  ANSWER: B

  4. Aside from the administrative console and the addNode command, what other facilities does WebSphere Application Server provide for federating nodes into cells?

  A.wsadmin

  B.The administrative agent.

  C.The Profile Management Tool (PMT)。

  D.Rational Application Developer Assembly and Deploy Module.

  ANSWER: C

  5. When backing up WebSphere Application Server configuration and runtime settings, which of the following commands would be relevant?

  A.backupConfig -location location.

  B.restoreConfig -profileName profile_name -backupFile backupFile_name.

  C.manageprofiles -backupProfile -profileName profile_name -backupFile backupFile_name.

  D.wsadmin -backupConfig -profileName profile_name -backupFile backupFile_name.

  ANSWER: C

  IBM認(rèn)證試題(附答案) 4

  1. A competitor in the IBM Maximo Asset Management (IMAM) domain claims that their product contains pre-built workflows and common tasks that span and integrate across asset applications.What should a solution advisor do when a customer is considering such a solution?

  A.Dispute the vendors claims that these pre-built workflows even exist.

  B.Inform the organization that workflow is an unimportant component in asset .

  C.Inform the organization that all vendors have the same pre-built workflows incorporated in their products.

  D.Inform the customer that if current business processes do not exactly match these workflows,customization is required.

  ANSWER: D

  2. What are two common reporting requirements? (Choose two.)

  A.the database connectivity method.

  B.the number of users in the solution.

  C.the number of reports being installed.

  D.ability to send completed reports by e-mail.

  E.reporting output available in Microsoft Excel.

  ANSWER: D E

  3. What is a rotating item?

  A.A rotating item is an individual item that is defined with a common item number. An item is designated as rotating because one wants to be able to create individual asset records by using the information(Classification, Specification,and Item Assembly Structure) contained on the item record.

  B.A rotating item is a set of items that are defined with a specific code. An item is designated as rotating because one does not want to be able to create individual asset records by using the information(Classification, Specification, and Item Assembly Structure) contained on the item record.

  C.A rotating item is a set of kits that are defined with a specific description and GL. An item is designated as rotating because one has the single cost to manage prefers to be able to create individual asset records by using the information (Classification, Specification, and Item Assembly Structure) contained on the assembly record.

  D.A rotating item is an individual item that is defined with a common item number and can be a spare part.An item is designated as rotating because one wants to be able to create multiple asset records by using the information (Classification, Specification, and Item Assembly Structure) contained on the item set records.

  ANSWER: A

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