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- Question
Which of the following is true of VoIP?
Options- A. It uses the public switched telephone network.
- B. Skype is an example of VoIP software.
- C. It uses a slow speed dial-up connection.
- D. All of the above
- Correct Answer
- Skype is an example of VoIP software.
ExplanationVOIP is an acronym for Voice Over Internet Protocol, or in more common terms phone service over the Internet.
Voice over Internet Protocol is a category of hardware and software that enables people to use the Internet as the transmission medium for telephone calls by sending voice data in packets using IP rather than by traditional circuit transmissions of the PSTN.
Here in the given options, Skype is the only voice service that enables us to talk over internet.
- 1. What does GUI stand for? Discuss
- 2. What is the name of the law for the storage and use of data in the UK? Discuss
- 3. What are level-triggering intertupt? Discuss
- 4. Define HCMOS? Discuss
- 5. Is the address bus unidirectional? Discuss
- 6. What is the main reason the OSI Model was created? Discuss
- 7. Physical or logical arrangement of network is
Options- A. Topology
- B. Routing
- C. Both A & B
- D. Networking Discuss
- 8. What is cladding? Discuss
- 9. What are the data units at different layers of the TCP / IP protocol suite? Discuss
- 10. How long is an IPv6 address?
Options- A. 128 bytes
- B. 32 bits
- C. 128 bits
- D. 32 bytes Discuss
Hardware problems
Search Results
Correct Answer: Graphical User Interface
Correct Answer: Data Protection Act
Correct Answer: RST 65 & RST 55 are level-triggering interrupts
Correct Answer: High-density n-type Complimentary Metal Oxide Silicon field effect transistor
Correct Answer: The address bus is unidirectional because the address information is always given by the micro processoe to address a memory location of an input / output devices
Correct Answer: The OSI Model is used as a reference model The primary reason the OSI model was created was so that different networks could inter-operate Hence, different networks could communicate
Correct Answer: Topology
Explanation:
The logical arrangement of the nodes of different networks to communicate is called as topology.
Correct Answer: A layer of a glass surrounding the center fiber of glass inside a fiber-optic cable
Correct Answer: The data unit created at the application layer is called a message, at the transport layer the data unit created is called either a segment or an user datagram, at the network layer the data unit created is called the datagram, at the data link layer the datagram is encapsulated in to a frame and finally transmitted as signals along the transmission media
Correct Answer: 128 bits
Explanation:
IPv6 - Internet Protocol Version 6.
IPv6 addresses have a size of 128 bits.
Internet Protocol Version 6 [IPv6] is the successor to the Internet's first addressing infrastructure, Internet Protocol version 4 (IPv4).
In contrast to IPv4, which defined an IP address as a 32-bit value, IPv6 address have a size of 128 bits.
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