CISSP Exam Dumps | Which cryptographic attack involves an attacker obtaining pairs of plaintext and their corresponding

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Question 333/747

Which cryptographic attack involves an attacker obtaining pairs of plaintext and their corresponding ciphertext to deduce the encryption key?

A. Ciphertext-only attack

B. Known-plaintext attack

C. Chosen-ciphertext attack

D. Birthday attack

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A lar...; Question 478: Which of the following is the MOST appropriate control for a...; Question 479: An external attacker has compromised an organization's netwo...; Question 480: When reviewing the security logs, the password shown for an ...; Question 481: What protocol is often used between gateway hosts on the Int...; Question 482: An information technology (IT) employee who travels frequent...; Question 483: Which of the following BEST describes "Living-off-the-Cloud"...; Question 484: Which of the following is the PRIMARY mechanism used to limi...; Question 485: How is Remote Authentication Dial-In User Service (RADIUS) a...; Question 486: What are the essential elements of a Risk Assessment Report ...; Question 487: Which of the following BEST describes the purpose of "Egress...; Question 488: Which of the following is a method of attacking internet (IP...; Question 489: What is the MOST effective response to a hacker who has alre...; Question 490: Which of the following roles has the obligation to ensure th...; Question 491: Which of the following BEST describes "Business Continuity: ...; Question 492: Which Wide Area Network (WAN) technology requires the first ...; Question 493: Which of the following models uses unique groups contained i...; Question 494: Without proper signal protection, embedded systems may be pr...; Question 495: Which layer of the Open system Interconnect (OSI) model is r...; Question 496: Which of the following methods of suppressing a fire is envi...; Question 497: What is the GREATEST challenge of an agent-based patch manag...; Question 498: The BEST method to mitigate the risk of a dictionary attack ...; Question 499: Who is responsible for the protection of information when it...; Question 500: Which of the following BEST describes "Continuous Integratio...; Question 501: Which of the following types of firewall only examines the "...; Question 502: Refer to the information below to answer the question. A lar...; Question 503: Which of the following is the MOST effective strategy to pre...; Question 504: A security practitioner is tasked with securing the organiza...; Question 505: Which of the following BEST describes the purpose of "Egress...; Question 506: During which of the following processes is least privilege i...; Question 507: Which of the following determines how traffic should flow ba...; Question 508: What is the PRIMARY role of a scrum master in agile developm...; Question 509: Which of the following is an authentication protocol in whic...; Question 510: Due to system constraints, a group of system administrators ...; Question 511: Refer to the information below to answer the question. Deskt...; Question 512: Which of the following techniques is effective to detect tap...; Question 513: The acquisition of personal data being obtained by a lawful ...; Question 514: When developing a business case for updating a security prog...; Question 515: Which of the following is the BEST way to reduce the impact ...; Question 516: Which of the following BEST describes "Business Continuity: ...; Question 517: The principle that personally identifiable information (PII)...; Question 518: What is the FIRST step required in establishing a records re...; Question 519: Which Open Systems Interconnection (OSI) layer(s) BEST corre...; Question 520: Drag and Drop Question Match the objectives to the assessmen...; Question 521: Which of the following is the PRIMARY reason a sniffer opera...; Question 522: Which of the below strategies would MOST comprehensively add...; Question 523: What is the HIGHEST priority in agile development?...; Question 524: In the common criteria (CC) for information technology (IT) ...; Question 525: What would be the BEST action to take in a situation where c...; Question 526: When using Generic Routing Encapsulation (GRE) tunneling ove...; Question 527: Digital non-repudiation requires which of the following?...; Question 528: Which of the following is the PRIMARY purpose of due diligen...; Question 529: How can a security engineer maintain network separation from...; Question 530: Application of which of the following Institute of Electrica...; Question 531: Who in the organization is accountable for classification of...; Question 532: Which of the following BEST describes the purpose of "Egress...; Question 533: During examination of Internet history records, the followin...; Question 534: Which of the following is MOST important to follow when deve...; Question 535: Which of the following is required to determine classificati...; Question 536: Before allowing a web application into the production enviro...; Question 537: Information security practitioners are in the midst of imple...; Question 538: Which of the following BEST describes the purpose of "Egress...; Question 539: Which of the following is the MOST effective measure for dea...; Question 540: Drag and Drop Question Place in order, from BEST (1) to WORS...; Question 541: Which of the following BEST describes "Egress Point Behavior...; Question 542: Which software defined networking (SDN) architectural compon...; Question 543: How does security in a distributed file system using mutual ...; Question 544: Which of the following BEST describes the purpose of "Egress...; Question 545: Refer to the information below to answer the question. A lar...; Question 546: A company-wide penetration test result shows customers could...; Question 547: Which of the following BEST describes the purpose of "Egress...; Question 548: In order to assure authenticity, which of the following are ...; Question 549: The BEST method of demonstrating a company's security level ...; Question 550: A hospital has three data classification levels: shareable w...; Question 551: What security management control is MOST often broken by col...; Question 552: Which of the following is the MOST important security goal w...; Question 553: Which of the following is an important requirement when desi...; Question 554: A company hired an external vendor to perform a penetration ...; Question 555: Which of the following MUST be done before a digital forensi...; Question 556: Which of the following frameworks provides vulnerability met...; Question 557: What component of a web application that stores the session ...; Question 558: In an IDEAL encryption system, who has sole access to the de...; Question 559: Drag and Drop Question Match the level of evaluation to the ...; Question 560: An organization is trying to secure instant messaging (IM) c...; Question 561: As part of the security assessment plan, the security profes...; Question 562: Why is planning the MOST critical phase of a Role Based Acce...; Question 563: Which of the following BEST describes the concept of "chain ...; Question 564: Which area of embedded devices are most commonly attacked?...; Question 565: An Internet media company produces and broadcasts highly pop...; Question 566: Which of the following BEST describes the purpose of "Egress...; Question 567: A security architect plans to reference a Mandatory Access C...; Question 568: Which of the following BEST describes the purpose of softwar...; Question 569: When designing a networked Information System (IS) where the...; Question 570: Which of the following is the BIGGEST weakness when using na...; Question 571: An organization plan on purchasing a custom software product...; Question 572: A security practitioner has been asked to model best practic...; Question 573: Which of the following is part of a Trusted Platform Module ...; Question 574: An organization has developed a way for customers to share i...; Question 575: Spyware is BEST described as; Question 576: An international trading organization that holds an Internat...; Question 577: Which of the following is a canon of the (ISC)2 Code of Ethi...; Question 578: After acquiring the latest security updates, what must be do...; Question 579: Which of the following BEST describes the purpose of "Egress...; Question 580: Which of the following is a unique feature of attribute-base...; Question 581: When in the Software Development Life Cycle (SDLC) MUST soft...; Question 582: A mobile device application that restricts the storage of us...; Question 583: Which type of disaster recovery plan (DRP) testing carries t...; Question 584: A criminal organization is planning an attack on a governmen...; Question 585: Which of the following BEST describes "Post-Quantum Cryptogr...; Question 586: The use of private and public encryption keys is fundamental...; Question 587: A bank failed to meet service-level agreements (SLA) with cu...; Question 588: Which of the following mobile code security models relies on...; Question 589: Which of the following protects personally identifiable info...; Question 590: Drag and Drop Question A software security engineer is devel...; Question 591: What is the threat modeling order using process for Attack s...; Question 592: Which of the following System and Organization Controls (SOC...; Question 593: Which of the following is a peor entity authentication metho...; Question 594: Which of the following is the BEST description of "Software ...; Question 595: Which of the following BEST describes the purpose of a "Base...; Question 596: Which of the following is the BEST approach to take in order...; Question 597: What type of investigation applies when malicious behavior i...; Question 598: In an organization where Network Access Control (NAC) has be...; Question 599: Which of the following BEST describes "Confidential Computin...; Question 600: An Intrusion Detection System (IDS) is generating alarms tha...; Question 601: Which of the following BEST describes "Egress Point Adaptive...; Question 602: An advantage of link encryption in a communications network ...; Question 603: When transmitting information over public networks, the deci...; Question 604: Internet Protocol (IP) source address spoofing is used to de...; Question 605: Which is the PRIMARY mechanism for providing the workforce w...; Question 606: Which of the following BEST describes the purpose of "Egress...; Question 607: Why do certificate Authorities (CA) add value to the securit...; Question 608: Which of the following BEST describes the purpose of a "Post...; Question 609: Which of the following terms is used for online service prov...; Question 610: Which of the following BEST describes the purpose of "Egress...; Question 611: Which of the following techniques evaluates the secure Bet p...; Question 612: A database administrator is asked by a high-ranking member o...; Question 613: Which of the following actions will reduce risk to a laptop ...; Question 614: A colleague who recently left the organization asked a secur...; Question 615: Which of the following is the PRIMARY consideration when det...; Question 616: Which of the following BEST describes the concept of "Non-Re...; Question 617: A technician is troubleshooting a client's report about poor...; Question 618: Following the completion of a network security assessment, w...; Question 619: Which of the following objects should be removed FIRST prior...; Question 620: The goal of a Business Impact Analysis (BIA) is to determine...; Question 621: What is an important characteristic of Role Based Access Con...; Question 622: What is the BEST way to restrict access to a file system on ...; Question 623: Which of the following BEST describes the purpose of "Egress...; Question 624: How is it possible to extract private keys securely stored o...; Question 625: Which of the following BEST describes "Cold Site" disaster r...; Question 626: Which of the following BEST describes "Availability" as one ...; Question 627: Which of the following wraps the decryption key of a full di...; Question 628: Which of the following is the GREATEST benefit of implementi...; Question 629: Although code using a specific program language may not be s...; Question 630: Which of the following BEST mitigates a replay attack agains...; Question 631: Which of the following types of datacenter architectures wil...; Question 632: Which of the following BEST describes the purpose of "Egress...; Question 633: Why is a system's criticality classification important in la...; Question 634: Which of the following MUST be scalable to address security ...; Question 635: In the Software Development Life Cycle (SDLC), maintaining a...; Question 636: From an asset security perspective, what is the BEST counter...; Question 637: An organization is considering partnering with a third-party...; Question 638: Which of the following BEST describes the purpose of "Egress...; Question 639: Which of the following prevents improper aggregation of priv...; Question 640: What high Availability (HA) option of database allows multip...; Question 641: Which of the following is the BEST way to determine if a par...; Question 642: A large organization's human resources and security teams ar...; Question 643: The security architect has been assigned the responsibility ...; Question 644: Which of the following encryption technologies has the abili...; Question 645: Which of the following types of hosts should be operating in...; Question 646: Which of the following analyses is performed to protect info...; Question 647: The MAIN use of Layer 2 Tunneling Protocol (L2TP) is to tunn...; Question 648: During a Disaster Recovery (DR) assessment, additional cover...; Question 649: Which of the following BEST describes when an organization s...; Question 650: Which application type is considered high risk and provides ...; Question 651: An organization is planning to have an it audit of its as a ...; Question 652: A security practitioner detects an Endpoint attack on the or...; Question 653: What is the PRIMARY benefit of incident reporting and comput...; Question 654: What would be the MOST cost effective solution for a Disaste...; Question 655: An internal Service Level Agreement (SLA) covering security ...; Question 656: A large corporation is looking for a solution to automate ac...; Question 657: What industry-recognized document could be used as a baselin...; Question 658: Which of the following BEST describes "Two-Person Integrity"...; Question 659: What is the PRIMARY purpose of creating and reporting metric...; Question 660: An organization is implementing security review as part of s...; Question 661: What is the FIRST step in developing a security test and its...; Question 662: In Federated Identity Management (FIM), which of the followi...; Question 663: What type of access control determines the authorization to ...; Question 664: A company is enrolled in a hard drive reuse program where de...; Question 665: In organization discovers that its secure file transfer prot...; Question 666: Which of the following BEST describes the purpose of "Tablet...; Question 667: Which of the following virtual network configuration options...; Question 668: Which of the following BEST describes "Model Poisoning" as a...; Question 669: Additional padding may be added to toe Encapsulating Securit...; Question 670: Drag and Drop Question Match the functional roles in an exte...; Question 671: An organization is looking to improve threat detection on th...; Question 672: An organization allows ping traffic into and out of their ne...; Question 673: The type of authorized interactions a subject can have with ...; Question 674: When network management is outsourced to third parties, whic...; Question 675: A security professional determines that a number of outsourc...; Question 676: What is the BEST location in a network to place Virtual Priv...; Question 677: An employee receives a promotion that entities them to acces...; Question 678: Which of the following is a common risk with fiber optical c...; Question 679: Which of the following BEST describes "Elliptic Curve Crypto...; Question 680: Which of the following is the BEST reason for the use of sec...; Question 681: In order for application developers to detect potential vuln...; Question 682: Which is the FIRST action the Incident Response team should ...; Question 683: Which of the following BEST describes "Watering Hole" attack...; Question 684: As a best practice, the Security Assessment Report (SAR) sho...; Question 685: When would an organization review a Business Continuity Mana...; Question 686: A cloud hosting provider would like to provide a Service Org...; Question 687: What is the BEST approach to anonymizing personally identifi...; Question 688: Which of the following steps is performed during the forensi...; Question 689: Drag and Drop Question Place the following information class...; Question 690: An organization requires that backup media be stored at a lo...; Question 691: Which of the following BEST describes "Security Through Obsc...; Question 692: Which of the following could cause a Denial of Service (DoS)...; Question 693: Which of the following is the BEST method to reduce the effe...; Question 694: Which of the following is the weakest form of protection for...; Question 695: Which of the following is the FIRST step for defining Servic...; Question 696: Which of the following BEST describes "tokenization" as a da...; Question 697: An organization is attempting to strengthen the configuratio...; Question 698: Which of the following is the BEST statement for a professio...; Question 699: What is the process called when impact values are assigned t...; Question 700: Compared to a traditional network, which of the following is...; Question 701: With what frequency should monitoring of a control occur whe...; Question 702: Checking routing information on e-mail to determine it is in...; Question 703: During the Security Assessment and Authorization process, wh...; Question 704: Which of the following could elicit a Denial of Service (DoS...; Question 705: A retail company is looking to start a development project t...; Question 706: Hotspot Question Which Web Services Security (WS-Security) s...; Question 707: Company A is evaluating new software to replace an in-house ...; Question 708: Recently, an unknown event has disrupted a single Layer-2 ne...; Question 709: Which of the following BEST describes "input validation" as ...; Question 710: An organization wants to enable uses to authenticate across ...; Question 711: What is the BEST reason to include supply chain risks in a c...; Question 712: Which type of fire alarm system sensor is intended to detect...; Question 713: When configuring Extensible Authentication Protocol (EAP) in...; Question 714: Why are mobile devices something difficult to investigate in...; Question 715: A company seizes a mobile device suspected of being used in ...; Question 716: What form of attack could this represent?...; Question 717: What is the PRIMARY goal for using Domain Name System Securi...; Question 718: The PRIMARY security concern for handheld devices is the...; Question 719: An organization is required to comply with the Payment Card ...; Question 720: Which of the following BEST describes "shoulder surfing"?...; Question 721: When assessing the audit capability of an application, which...; Question 722: Which of the following criteria ensures information is prote...; Question 723: Which of the following methods is MOST effective in mitigati...; Question 724: In general, servers that are facing the Internet should be p...; Question 725: Organization A is adding a large collection of confidential ...; Question 726: Refer to the information below to answer the question. A lar...; Question 727: Which of the following is a physical security control that p...; Question 728: Which section of the assessment report addresses separate vu...; Question 729: Refer to the information below to answer the question. A new...; Question 730: When using third-party software developers, which of the fol...; Question 731: What method could be used to prevent passive attacks against...; Question 732: Which of the following attacks is dependent upon the comprom...; Question 733: Which of the following is an open standard for exchanging au...; Question 734: What is the purpose of code signing?...; Question 735: Which of the following is the MAIN goal of a data retention ...; Question 736: An engineer notices some late collisions on a half-duplex li...; Question 737: What is the PRIMARY objective of business continuity plannin...; Question 738: How should the retention period for an organization's social...; Question 739: Which of the following secures web transactions at the Trans...; Question 740: Which of the BEST internationally recognized standard for ev...; Question 741: Which of the following MUST a security professional do in or...; Question 742: Which of the following has the GREATEST impact on an organiz...; Question 743: What is the expected outcome of security awareness in suppor...; Question 744: What is the PRIMARY reason criminal law is difficult to enfo...; Question 745: Which of the following BEST describes "Cyber Kill Chain" as ...; Question 746: Which of the following BEST describes "Shadow IT"?...; Question 747: Refer to the information below to answer the question. 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