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우리ExamPassdump 에서 여러분은 아주 간단히WGU Introduction-to-Cryptography시험을 패스할 수 있습니다. 만약 처음WGU Introduction-to-Cryptography시험에 도전한다면 우리의WGU Introduction-to-Cryptography시험자료를 선택하여 다운받고 고부를 한다면 생가보다는 아주 쉽게WGU Introduction-to-Cryptography시험을 통과할 수 있으며 무엇보다도 시험시의 자신감 충만에 많은 도움이 됩니다. 다른 자료판매사이트도 많겠지만 저희는 저희 자료에 자신이 있습니다. 우리의 시험자료는 모두 하이퀼러티한 문제와 답으로 구성되었습니다, 그리고 우리는 업데트를 아주 중요시 생각하기에 어느 사이트보다 더 최신버전을 보실 수 잇을것입니다. 우리의WGU Introduction-to-Cryptography자료로 자신만만한 시험 준비하시기를 바랍니다. 우리를 선택함으로 자신의 시간을 아끼는 셈이라고 생각하시면 됩니다.WGU Introduction-to-Cryptography로 빠른시일내에 자격증 취득하시고WGUIT업계중에 엘리트한 전문가되시기를 바랍니다.
| Section | Objectives |
|---|---|
| Topic 1: Hashing and Digital Signatures | - Digital Signature Standards - Message Authentication Codes (MAC) - Hash Functions (MD5, SHA-1, SHA-256) |
| Topic 2: Cryptanalysis and Attacks | - Social Engineering Prevention - Common Attack Vectors - Brute Force and Dictionary Attacks |
| Topic 3: Applied Cryptography | - VPN Security - PGP and Email Encryption - Cryptographic Best Practices - SSL/TLS Protocols |
| Topic 4: Cryptography Fundamentals | - History and Evolution of Cryptography - Cryptographic Terminology - Symmetric vs Asymmetric Encryption |
| Topic 5: Symmetric Cryptography | - Key Management - Initialization Vectors (IV) - Stream Ciphers - Block Ciphers (AES, DES, 3DES) |
| Topic 6: Asymmetric Cryptography | - RSA Algorithm - Public Key Infrastructure (PKI) - Elliptic Curve Cryptography (ECC) - Diffie-Hellman Key Exchange |
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WGU Introduction-to-Cryptography인증덤프는 최근 출제된 실제시험문제를 바탕으로 만들어진 공부자료입니다. WGU Introduction-to-Cryptography 시험문제가 변경되면 제일 빠른 시일내에 덤프를 업데이트하여 최신버전 덤프자료를WGU Introduction-to-Cryptography덤프를 구매한 분들께 보내드립니다. 시험탈락시 덤프비용 전액환불을 약속해드리기에 안심하시고 구매하셔도 됩니다.
질문 # 35
(What does nonrepudiation aim to achieve in the context of cryptography?)
정답:B
설명:
Nonrepudiation aims to prevent a party from later denying having performed an action, such as sending a message, approving a transaction, or signing a document. In cryptographic systems, nonrepudiation is typically supported by digital signatures, audit logs, and trusted time-stamping: if a message is signed with a private key and verified with the corresponding public key (often bound to an identity via a certificate), the signer can be held accountable for that signed content. This creates evidence that can be used for dispute resolution, compliance, and legal or contractual enforcement. Nonrepudiation is distinct from confidentiality (keeping data secret) and from access control (preventing unauthorized use). While authentication (verifying identity) is related and often a prerequisite, the defining goal is accountability-ensuring that actions can be attributed to entities in a way that is difficult to dispute later. Effective nonrepudiation also depends on secure private key management, certificate validation, and procedures that show the key was under the signer's control at the time. Therefore, the correct answer is holding parties accountable for their actions and transactions.
질문 # 36
(A security analyst is using 3DES for data encryption. Which 3DES key size is valid?)
정답:C
설명:
3DES (Triple DES) applies the DES block cipher three times to increase effective security, and its commonly cited valid key sizes correspond to how many independent DES keys are used. Two-key
3DES uses two 56-bit DES keys (K1 and K2) in an EDE sequence (Encrypt with K1, Decrypt with K2, Encrypt with K1), yielding 112 bits of keying material (ignoring parity bits). Three-key 3DES uses three independent 56-bit keys for a total of 168 bits of keying material, but that option is not listed here.
A 56-bit key corresponds to single DES, not 3DES. 128-bit is associated with AES, not 3DES. 2,048-bit is typical for RSA keys, not symmetric ciphers. Therefore, among the choices provided, 112-bit is a valid 3DES key size. While 3DES is now deprecated for many uses due to its 64-bit block size and performance limitations, understanding its keying options remains important for legacy system assessment.
질문 # 37
(Which is a primary reason for ethical concerns about encryption?)
정답:C
설명:
Ethical concerns about encryption commonly arise from the tension between individual privacy/security and societal needs such as law enforcement, national security, and public safety. Strong end-to-end encryption can prevent unauthorized parties from accessing data, including criminals and foreign adversaries, but it can also limit legitimate government access to communications and evidence-even with warrants-because providers may not possess the keys needed to decrypt. This has fueled debates around "going dark," lawful access, and proposals for exceptional access mechanisms or backdoors. Critics argue that weakening encryption for access would create systemic risk, since any intentional vulnerability can be exploited by malicious actors, while proponents emphasize investigative needs in serious cases. Regardless of the stance, the primary ethical concern reflected in policy debates is that encryption complicates government access to information that may be crucial for preventing or investigating crime. The other options do not capture the main ethical controversy: encryption is widely beneficial beyond corporations, and it is not primarily about speed or storage reduction. Therefore, the correct answer is B.
질문 # 38
(Which encryption algorithm uses an 80-bit key and operates on 64-bit data blocks?)
정답:D
설명:
Skipjack is a symmetric block cipher historically associated with the Clipper chip initiative. Its defining parameters match the question: it operates on 64-bit blocks and uses an 80-bit key. The other options do not fit those exact sizes. Twofish is a 128-bit block cipher with key sizes up to 256 bits. Blowfish is a
64-bit block cipher, but its key size is variable from 32 up to 448 bits and is not fixed at 80 bits as a defining property. Camellia is a 128-bit block cipher with key sizes of 128, 192, or 256 bits. Skipjack's smaller key size and legacy design make it unsuitable for modern security needs, but the question is purely about identifying the algorithm that matches an 80-bit key and 64-bit blocks. Therefore, the correct answer is Skipjack.
질문 # 39
(An administrator has configured a Virtual Private Network (VPN) connection utilizing IPsec transport mode with Encapsulating Security Payload (ESP) between a server in the corporate office and a client computer in the remote office. In which situation can the packet content be inspected?)
정답:D
설명:
With IPsec ESP in transport mode, the payload of the original IP packet (typically the transport-layer segment and higher) is encrypted and integrity-protected between the two endpoints-here, the corporate server and the remote client. Because encryption is applied by the sending endpoint and removed only by the receiving endpoint, intermediate routers, switches, and monitoring devices in either network cannot view the protected payload while it is in transit. They may see outer IP headers and certain metadata needed for routing, but not the encrypted content protected by ESP. As a result, the packet's contents are inspectable only at the endpoints: before encryption on the sender (plaintext exists in memory/stack before IPsec processing) and after decryption on the receiver (plaintext is restored for the application). This is true whether the traffic traverses internal networks or the Internet; the cryptographic boundary is between the endpoints participating in the IPsec SA.
Therefore, inspection of the actual content is possible only on the devices at headquarters and offsite, before sending and after receiving, not by in-transit networks.
질문 # 40
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