Quiz
Chapter 4
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Questions in this quiz (20)
1Which of the following is NOT a method for strengthening a key?
- ARandomness
- BCrypto period
- CLength
- DVariability
2Which of the following block ciphers XORs each block of plaintext with the previous block of ciphertext before being encrypted?
- AElectronic Code Book (ECB)
- BGalois/Counter (GCM)
- CCounter (CTR)
- DCipher Block Chaining (CBC)
3What entity calls in crypto modules to perform cryptographic tasks?
- ACertificate Authority (CA)
- BOCSP Chain
- CIntermediate CA
- DCrypto service provider
4_____ are symmetric keys to encrypt and decrypt information exchanged during the session and to verify its integrity.
- AEncrypted signatures
- BSession keys
- CDigital certificates
- DDigital digests
5Which of these is considered the strongest cryptographic transport protocol?
- ATLS v1.2
- BTLS v1.0
- CSSL v2.0
- DSSL v 2.0
6The strongest technology that would assure Alice that Bob is the sender of a message is a(n) _____.
- Adigital signature
- Bencrypted signature
- Cdigest
- Ddigital certificate
7A digital certificate associates _____.
- Aa user’s public key with his private key
- Bthe user’s identity with his public key
- Ca user’s private key with the public key
- Da private key with a digital signature
8Digital certificates can be used for each of these EXCEPT _____.
- Ato verify the authenticity of the Registration Authorizer
- Bto encrypt channels to provide secure communication between clients and servers
- Cto verify the identity of clients and servers on the Web
- Dto encrypt messages for secure email communications
9An entity that issues digital certificates is a _____.
- ACertificate Signatory (CS)
- BDigital Signer (DS)
- CCertificate Authority (CA)
- DSignature Authority (SA)
10A centralized directory of digital certificates is called a(n) _____.
- ADigital Signature Permitted Authorization (DSPA)
- BDigital Signature Approval List (DSAP)
- CCertificate Repository (CR)
- DAuthorized Digital Signature (ADS)
11_____ performs a real-time lookup of a digital certificate’s status.
- ACertificate Revocation List (CRL)
- BReal-Time CA Verification (RTCAV)
- COnline Certificate Status Protocol (OCSP)
- DCA Registry Database (CARD)
12What is a value that can be used to ensure that hashed plaintext will not consistently result in the same digest?
- Aalgorithm
- Binitialization vector (IV)
- Cnonce
- Dsalt
13Which digital certificate displays the name of the entity behind the website?
- AOnline Certificate Status Certificate
- BExtended Validation (EV) Certificate
- CSession Certificate
- DX.509 Certificate
14Which trust model has multiple CAs, one of which acts as a facilitator?
- ABridge
- BHierarchical
- CDistributed
- DWeb
15Which statement is NOT true regarding hierarchical trust models?
- AIt is designed for use on a large scale.
- BThe root signs all digital certificate authorities with a single key.
- CIt assigns a single hierarchy with one master CA.
- DThe master CA is called the root.
16Public key infrastructure (PKI) _____.
- Agenerates public/private keys automatically
- Bcreates private key cryptography
- Cis the management of digital certificates
- Drequires the use of an RA instead of a CA
17A(n) _____ is a published set of rules that govern the operation of a PKI.
- Asignature resource guide (SRG)
- Benforcement certificate (EF)
- Ccertificate practice statement (CPS)
- Dcertificate policy (CP)
18Which of these is NOT part of the certificate life cycle?
- Aexpiration
- Brevocation
- Cauthorization
- Dcreation
19_____ refers to a situation in which keys are managed by a third party, such as a trusted CA.
- AKey authorization
- BKey escrow
- CRemote key administration
- DTrusted key authority
20_____ is a protocol for securely accessing a remote computer.
- ATransport Layer Security (TLS)
- BSecure Shell (SSH)
- CSecure Sockets Layer (SSL)
- DSecure Hypertext Transport Protocol (SHTTP)
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- Description
- Information Technology Quiz on Chapter 4, created by Justin Bittar on 14/12/2019.
- Author
- Justin Bittar
- Language
- English
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