Ques:- What is supernetting?why it is used
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Ques:- What are digital signatures and smart cards?
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Ques:- How can I sign up for your advertised Free Hosting and unlimited email service?
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Ques:- What is Gateway-to-Gateway protocol?
Ques:- What are the system calls used for process management?
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Ques:- Describe how you would reverse a singly linked list.
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Right Answer:
To reverse a singly linked list, follow these steps:
1. Initialize three pointers: `prev` as `null`, `current` as the head of the list, and `next` as `null`.
2. Iterate through the list:
- Set `next` to `current.next`.
- Change `current.next` to `prev`.
- Move `prev` to `current`.
- Move `current` to `next`.
3. Once the loop is complete, set the head of the list to `prev`.
This will reverse the linked list in place.
To reverse a singly linked list, follow these steps:
1. Initialize three pointers: `prev` as `null`, `current` as the head of the list, and `next` as `null`.
2. Iterate through the list:
- Set `next` to `current.next`.
- Change `current.next` to `prev`.
- Move `prev` to `current`.
- Move `current` to `next`.
3. Once the loop is complete, set the head of the list to `prev`.
This will reverse the linked list in place.
Ques:- What do you mean by IP is a best-effort protocol?
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Ques:- What is the role of Single Sign On in authentication technologies?
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Ques:- What is redirector?
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Ques:- What is PING utility?
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Ques:- How do I abort the current XMLHttpRequest?
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Ques:- What is the difference between interior and exterior neighbor gateways?
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Ques:- What are the advantages and disadvantages of the three types of routing tables?
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Ques:- What are mixers used for?
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Right Answer:
Mixers are used to combine two or more signals, typically in radio frequency applications, to produce new frequencies that are the sum or difference of the original signals. They are essential for frequency conversion, such as in upconversion and downconversion processes in communication systems.
Mixers are used to combine two or more signals, typically in radio frequency applications, to produce new frequencies that are the sum or difference of the original signals. They are essential for frequency conversion, such as in upconversion and downconversion processes in communication systems.
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Ques:- Describe VCO
Right Answer:
A Voltage-Controlled Oscillator (VCO) is an electronic circuit that generates a periodic signal (usually a sine or square wave) whose frequency is determined by an input voltage. It is commonly used in phase-locked loops and frequency modulation applications.
A Voltage-Controlled Oscillator (VCO) is an electronic circuit that generates a periodic signal (usually a sine or square wave) whose frequency is determined by an input voltage. It is commonly used in phase-locked loops and frequency modulation applications.
Ques:- Name some band definitions?
Right Answer:
1. VLF (Very Low Frequency): 3 kHz to 30 kHz
2. LF (Low Frequency): 30 kHz to 300 kHz
3. MF (Medium Frequency): 300 kHz to 3 MHz
4. HF (High Frequency): 3 MHz to 30 MHz
5. VHF (Very High Frequency): 30 MHz to 300 MHz
6. UHF (Ultra High Frequency): 300 MHz to 3 GHz
7. SHF (Super High Frequency): 3 GHz to 30 GHz
8. EHF (Extremely High Frequency): 30 GHz to 300 GHz
1. VLF (Very Low Frequency): 3 kHz to 30 kHz
2. LF (Low Frequency): 30 kHz to 300 kHz
3. MF (Medium Frequency): 300 kHz to 3 MHz
4. HF (High Frequency): 3 MHz to 30 MHz
5. VHF (Very High Frequency): 30 MHz to 300 MHz
6. UHF (Ultra High Frequency): 300 MHz to 3 GHz
7. SHF (Super High Frequency): 3 GHz to 30 GHz
8. EHF (Extremely High Frequency): 30 GHz to 300 GHz
