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CCNA Security Cp 7.1

Thomas Rowsome 11 questions

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Questions in this quiz (11)

  1. 1What is the focus of cryptanalysis?
    1. Ahiding secret codes
    2. Bdeveloping secret codes
    3. Cbreaking encrypted codes
    4. Dimplementing encrypted codes
  2. 2How many bits does the Data Encryption Standard (DES) use for data encryption?
    1. A40 bits
    2. B56 bits
    3. C64 bits
    4. D72 bits
  3. 3Which statement describes the Software-Optimized Encryption Algorithm (SEAL)?
    1. ASEAL is a stream cipher.
    2. BIt uses a 112-bit encryption key.
    3. CIt is an example of an asymmetric algorithm.
    4. DIt requires more CPU resources than software-based AES does.
  4. 4Which encryption algorithm is an asymmetric algorithm?
    1. ADH
    2. BSEAL
    3. C3DES
    4. DAES
  5. 5An online retailer needs a service to support the nonrepudiation of the transaction. Which component is used for this service?
    1. Athe private key of the retailer
    2. Bthe unique shared secret known only by the retailer and the customer
    3. Cthe public key of the retailer
    4. Dthe digital signatures
  6. 6In which situation is an asymmetric key algorithm used?
    1. ATwo Cisco routers authenticate each other with CHAP.
    2. BUser data is transmitted across the network after a VPN is established.
    3. CAn office manager encrypts confidential files before saving them to a removable device.
    4. DA network administrator connects to a Cisco router with SSH.
  7. 7What is the purpose of a nonrepudiation service in secure communications?
    1. Ato ensure that encrypted secure communications cannot be decoded
    2. Bto confirm the identity of the recipient of the communications
    3. Cto provide the highest encryption level possible
    4. Dto ensure that the source of the communications is confirmed
  8. 8Which objective of secure communications is achieved by encrypting data?
    1. Aintegrity
    2. Bauthentication
    3. Cconfidentiality
    4. Davailability
  9. 9Why is the 3DES algorithm often preferred over the AES algorithm?
    1. A3DES is more trusted because it has been proven secure for a longer period than AES.
    2. BAES is more expensive to implement than 3DES.
    3. C3DES performs better in high-throughput, low-latency environments than AES.
    4. DMajor networking equipment vendors such as Cisco have not yet adopted AES.
  10. 10What is the most common use of the Diffie-Helman algorithm in communications security?
    1. Ato create password hashes for secure authentication
    2. Bto provide routing protocol authentication between routers
    3. Cto encrypt data for secure e-commerce communications
    4. Dto secure the exchange of keys used to encrypt data

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Description
CCNA Security Quiz on CCNA Security Cp 7.1, created by Thomas Rowsome on 13/04/2018.
Language
English
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ccna security
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