Encoding or scrambling data for transmission across a network is known as: (A) Decryption (B) Protection (C) Detection (D) Encryption

Encoding or scrambling data for transmission across a network is known as: (A) Decryption (B) Protection (C) Detection (D) Encryption
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(D) Encryption
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Encoding or scrambling data for transmission across a network is khown as a)Protection b) Detection c) Encryption d) Decryption

Description : Encoding or scrambling data for transmission across a network is khown as a)Protection b) Detection c) Encryption d) Decryption

Last Answer : c) Encryption

What scrambles the contents of a file so you can't read it without having the right decryption key? a. Encryption b. Intrusion‐detection software c. Security‐auditing software d. All of the above

Description : What scrambles the contents of a file so you can't read it without having the right decryption key? a. Encryption b. Intrusion‐detection software c. Security‐auditing software d. All of the above

Last Answer : a. Encryption

Transmission media are usually categorized as . a. Guided or Unguided b. Determinate or Indeterminate c. Fixed or Unfixed d. Encryption or Decryption

Description : Transmission media are usually categorized as . a. Guided or Unguided b. Determinate or Indeterminate c. Fixed or Unfixed d. Encryption or Decryption

Last Answer : a. Guided or Unguided

Encryption and Decryption is the responsibility of ............... Layer. (A) Physical (B) Network (C) Application (D) Datalink

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Public key encryption uses multiple keys. One key is used to encrypt data, while another is used to decrypt data. The key used to encrypt data is called the _____ key, while the key used to decrypt data is called the _____ key. a. encryption, decryption b. private, public c. encryption, public d. public, private

Description : Public key encryption uses multiple keys. One key is used to encrypt data, while another is used to decrypt data. The key used to encrypt data is called the _____ key, while the key used to ... the _____ key. a. encryption, decryption b. private, public c. encryption, public d. public, private

Last Answer : d. public, private

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Last Answer : (C) The AES (Advanced Encryption Standard) cryptosystem allows variable key lengths of size 56 bits and 124 bits.

By encryption of a text we mean a. compressing it b. expanding it c. scrambling it to preserve its security d. hashing it

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Last Answer : c. scrambling it to preserve its security 

Explain encryption and decryption. -Technology

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Last Answer : A process to convert a plain text into cipher text is called encryption. Whereas, a process to convert a cipher text into plain text is called decryption.

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NAT limits the use of ………………….. and ……………… A. encryption, authentication. B. encryption, decryption C. encapsulation, translation D. authentication, verification

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Last Answer : A. encryption, authentication.

Symmetric - key cryptography refers to ______methods in which both the sender and receiver share the same key ( or , less commonly, in which their keys are different but related in an easily computable way): a) Encryption b) Decryption c) Both of above d) None of These

Description : Symmetric - key cryptography refers to ______methods in which both the sender and receiver share the same key ( or , less commonly, in which their keys are different but related in an easily computable way): a) Encryption b) Decryption c) Both of above d) None of These

Last Answer : a) Encryption

When the information is reverted back into a useful form it is called: a) Standard encryption b) Plain text encryption c) Decryption d) None of These

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When information is transformed from a useful form of understanding to an opaque form of understanding, this is called: a) Encryption b) Decryption c) Both of Above d) None of These

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Description : Symmetric - key cryptography refers to ______methods in which both the sender and receiver share the same key ( or , less commonly, in which their keys are different but related in an easily computable way): a) Encryption b) Decryption c) Both of above d) None of These

Last Answer : a) Encryption

When the information is reverted back into a useful form it is called: a) Standard encryption b) Plain text encryption c) Decryption d) None of These

Description : When the information is reverted back into a useful form it is called: a) Standard encryption b) Plain text encryption c) Decryption d) None of These

Last Answer : c) Decryption

When information is transformed from a useful form of understanding to an opaque form of understanding, this is called: a) Encryption b) Decryption c) Both of Above d) None of These

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Last Answer : c) Both of Above

The study of encryption is called‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ a. Decryption b. Cryptography c. Firewall d. All the above

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Last Answer : c. e‐cash

Which of the following is a useful security mechanism when considering business strategy and IT? a. encryption b. decryption c. firewall d. all the above

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Last Answer : d. all the above

By symmetric key encryption we mean a. one private key is used for both encryption and decryption b. private and public key used are symmetric c. only public keys are used for encryption d. only symmetric key is used for encryption

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Last Answer : D

If there are N people in the world and are using secret key encryption/decryption for privacy purpose, then number of secret keys required will be: (A) N (B) (N-1) (C) N(N-1)/2 (D) N(N+1)/2

Description : If there are N people in the world and are using secret key encryption/decryption for privacy purpose, then number of secret keys required will be: (A) N (B) (N-1) (C) N(N-1)/2 (D) N(N+1)/2

Last Answer : (C) N(N-1)/2 

What looks for people on the network who shouldn't be there or who are acting suspiciously? a. Encryption b. Public key encryption c. Intrusion‐detection software d. Security‐auditing software

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Last Answer : c. Intrusion‐detection software

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Description : Write the name of layers that perform the following functions in OSI : I. Data Encryption II. Error Correction III. File Transfer IV. Data Encoding

Last Answer : 1. Data Encryption-Presentation Layer 2. Error Correction-Data link layer and Transport layer 3. File Transfer-Application layer 4. Data Encoding-Presentation layer

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An ASCII is a character-encoding scheme that is employed by personal computers in order to represent various characters, numbers and control keys that the computer user selects on the keyboard. ASCII is an acronym for (A) American Standard Code for Information Interchange (B) American Standard Code for Intelligent Information (C) American Standard Code for Information Integrity (D) American Standard Code for Isolated Information

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Last Answer : (A) American Standard Code for Information Interchange

Transforming thoughts, ideas and messages into verbal and non-verbal signs is referred to as (A) channelization (B) mediation (C) encoding (D) decoding

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Last Answer : 4) all of the above

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Last Answer : d. Error detection and correction

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Last Answer : d)It is used to ensure data corruption does not happens

A major barrier in the transmission of cognitive data in the process of communication is an individual’s (A) personality (B) expectation (C) social status (D) coding ability

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Which one of the following event is not possible in wireless LAN? a) collision detection b) acknowledgement of data frames c) multi-mode data transmission d) connection to wired networks

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Firewalls are used to protect a communication network system against: (A) Unauthorized attacks (B) Virus attacks (C) Data-driven attacks (D) Fire-attacks

Description : Firewalls are used to protect a communication network system against: (A) Unauthorized attacks (B) Virus attacks (C) Data-driven attacks (D) Fire-attacks

Last Answer : Answer: A In computing, a firewall is a network security system that monitors and controls the incoming and outgoing network traffic based on predetermined security rules. A firewall typically establishes a ... outside network, such as the Internet, that is assumed to not be secure or trusted.

Which among the following layer' main function is data formats, dataencryption/decryption, data compression/decompression etc:a) Session Layerb) Transport Layerc) Presentation Layerd) None of These

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Transmission of printed material over telephone lines. A. Video text B. Facsimile C. Encoding D. Xerox copy

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In ATM, the _____ layer defines thetransmission medium,bit transmission,encoding, and electrical-to-optical transformation. A) physical B) ATM layer C) AAL D) none of the above

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Rate of change of a signal on a transmission medium after encoding and modulation have occurred

Description : Rate of change of a signal on a transmission medium after encoding and modulation have occurred

Last Answer : baud rate

The process of putting one's thoughts (meaning) into signs (symbols) is called A)decoding. B)noise. C)interference. D)transmission. E)encoding.

Description : The process of putting one's thoughts (meaning) into signs (symbols) is called A)decoding. B)noise. C)interference. D)transmission. E)encoding.

Last Answer : E)encoding.

______ provides synchronization without increasingthe number of bits. A) Scrambling B) Line coding C) Block coding D) None of the above

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Last Answer : Scrambling

_______ isnormally referred toas mB/nB coding; it replaceseach m-bit group with an n-bit group. A) Block coding B) Line coding C) Scrambling

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Last Answer : Block coding

_____ provides redundancy toensure synchronization and inherent errordetection. A) Block coding B) Line coding C) Scrambling D) None of the above

Description : _____ provides redundancy toensure synchronization and inherent errordetection. A) Block coding B) Line coding C) Scrambling D) None of the above

Last Answer : Block coding

________ is the process of converting digitaldata to adigital signal. A) Block coding B) Line coding C) Scrambling D) None of the above

Description : ________ is the process of converting digitaldata to adigital signal. A) Block coding B) Line coding C) Scrambling D) None of the above

Last Answer : Line coding

__________ conversion involves three techniques: line coding,block coding, and scrambling. A) Analog-to-digital B) Digital-to-analog C) Analog-to-analog D) Digital-to-digital

Description : __________ conversion involves three techniques: line coding,block coding, and scrambling. A) Analog-to-digital B) Digital-to-analog C) Analog-to-analog D) Digital-to-digital

Last Answer : Digital-to-digital

When a retailer adds unrelated products and product lines to the existing product mix, this is termed 1. range expansion 2. mix scrambling 3. merchandise extension 4. scrambled merchandising 5. none of these

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Last Answer : scrambled merchandising

When a retailer adds unrelated products and product lines to the existing product mix this is termed A)range expansion B)mix scrambling C)merchandise extension D)scrambled merchandising

Description : When a retailer adds unrelated products and product lines to the existing product mix this is termed A)range expansion B)mix scrambling C)merchandise extension D)scrambled merchandising

Last Answer : D)scrambled merchandising

Every type of communication is affected by its: (A) Reception (B) Transmission (C) Non-regulation (D) Context

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Last Answer : (D) Context

Video transmission over the Internet that looks like delayed live casting is called: (A) virtual video (B) direct broadcast (C) video shift (D) real-time video

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Last Answer : (D) real-time video

Does old Windows XP Home edition allow WPA wireless network encryption or is it too old?

Description : Does old Windows XP Home edition allow WPA wireless network encryption or is it too old?

Last Answer : If I remember correctly, if you upgrade to SP2, you should be able to use WPA. But the original pre-service pack Windows XP doesn’t support WPA without a patch available from Microsoft. Good luck!