Podcast
Questions and Answers
What type of communication is a radio or TV signal transmission considered?
What type of communication is a radio or TV signal transmission considered?
- Multiplex
- Full-Duplex
- Simplex (correct)
- Half-Duplex
Which transmission mode utilizes the full capacity of the communication channel during data transmission?
Which transmission mode utilizes the full capacity of the communication channel during data transmission?
- Duplex
- Multiplex
- Simplex (correct)
- Half-Duplex
What is one of the disadvantages of using a Simplex transmission mode?
What is one of the disadvantages of using a Simplex transmission mode?
- Low data traffic issues
- Facilitates two-way communication
- Provides mechanism for data to be transmitted back to the sender
- Unidirectional nature with no inter-communication between devices (correct)
Which device operates using half-duplex transmission?
Which device operates using half-duplex transmission?
What is a common disadvantage of using a half-duplex transmission mode?
What is a common disadvantage of using a half-duplex transmission mode?
Why does Simplex transmission have no mechanism for an acknowledgment from the receiver?
Why does Simplex transmission have no mechanism for an acknowledgment from the receiver?
What is the main advantage of using a parallel transmission mode?
What is the main advantage of using a parallel transmission mode?
In which transmission mode do signals travel in one direction only?
In which transmission mode do signals travel in one direction only?
What is a disadvantage of using a parallel transmission mode?
What is a disadvantage of using a parallel transmission mode?
Which configuration involves the interconnection of a single mainframe computer to many remote computer terminals?
Which configuration involves the interconnection of a single mainframe computer to many remote computer terminals?
Why is parallel transmission mode considered cost-ineffective?
Why is parallel transmission mode considered cost-ineffective?
What characterizes a simplex transmission mode?
What characterizes a simplex transmission mode?
In a Caesar Cipher encryption with a key of 3, what is the resulting message for 'Attack at Dawn'?
In a Caesar Cipher encryption with a key of 3, what is the resulting message for 'Attack at Dawn'?
In a substitution cipher, how many different keys are possible?
In a substitution cipher, how many different keys are possible?
What type of cipher uses a sequence of monoalphabetic ciphers in tandem to encrypt a message?
What type of cipher uses a sequence of monoalphabetic ciphers in tandem to encrypt a message?
Which type of substitution cipher allows any letter to be substituted for any other letter?
Which type of substitution cipher allows any letter to be substituted for any other letter?
For the message 'Bob, I love you' encrypted using a monoalphabetic cipher with key 6 and then 20, what is the resulting encrypted message?
For the message 'Bob, I love you' encrypted using a monoalphabetic cipher with key 6 and then 20, what is the resulting encrypted message?
'Nkn, s gktc wky.mgsbc' is an encrypted message using which type of cipher?
'Nkn, s gktc wky.mgsbc' is an encrypted message using which type of cipher?
What is the main reason for choosing a BUS network topology?
What is the main reason for choosing a BUS network topology?
In a Tree network topology, what happens if the backbone line breaks?
In a Tree network topology, what happens if the backbone line breaks?
Which requirement of secure communication involves confirming each other's identity?
Which requirement of secure communication involves confirming each other's identity?
What is one of the characteristics of a RING network topology?
What is one of the characteristics of a RING network topology?
When considering a STAR network topology, what factor should be taken into account for future growth?
When considering a STAR network topology, what factor should be taken into account for future growth?
What is one example of a Hybrid Topology mentioned in the text?
What is one example of a Hybrid Topology mentioned in the text?
What is the key for the substitution cipher used in the text?
What is the key for the substitution cipher used in the text?
In a substitution cipher, what is ensured about the mapping of letters between plain text and cipher text?
In a substitution cipher, what is ensured about the mapping of letters between plain text and cipher text?
What is involved in a columnar transposition cipher?
What is involved in a columnar transposition cipher?
According to Shannon's Characteristics of 'Good' Ciphers, what should determine the amount of labor for encryption and decryption?
According to Shannon's Characteristics of 'Good' Ciphers, what should determine the amount of labor for encryption and decryption?
What should the set of keys and enciphering algorithm be according to Shannon's Characteristics?
What should the set of keys and enciphering algorithm be according to Shannon's Characteristics?
In a substitution cipher, how many letters are shifted by the key 'WORD' in the provided example?
In a substitution cipher, how many letters are shifted by the key 'WORD' in the provided example?
