Which of the following statements are true? Question 5Select one: a. IPv4 uses 128-bit addressing b. IPv4 uses 32-bit addressing c. IPv4 consists of a network ID and MAC address d. IPv4 consists of a host ID and MAC address
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What is the size of the total address space of IPv4, i.e. the number of valid IPv4 addresses? A. 2^31 B. 2^32 C. 2^32 - 1 D. 2^33 - 1 Question 2 If every one of the roughly 8 billion people on Earth wanted to have a networked device with their own, unique IPv4 address, would there be enough IPv4 addresses? A. Yes B. No Question 3 An IPv4 subnet is a network inside the larger network, identified by a certain number of initial bits that are common to all the addresses in the subnet. The number of common bits (aka the prefix length) is given with a slash after the base address (i.e. the lowest address) of the subnet. The remaining bits are available to be freely assigned to hosts in the subnet, with the exception that the base address is reserved for the subnet number, and the last address is reserved for the subnet broadcast address. These two addresses are still part of the subnet. For example, the routing prefix 192.168.1.0/24 defines a subnet with a constant first 24 bits, i.e. with a prefix length of 24. Available host addresses in this subnet are 192.168.1.1 to 192.168.1.254. 192.168.1.0 is the subnet number; 192.168.1.255 is the broadcast address. There are 256 addresses in this subnet, and 254 available host addresses. How many available host addresses are there in the subnet 10.0.0.0/8? Enter the answer as a decimal number.
Akash M.
Texts: Modern operating systems A. work with both IPv4 and IPv6 style addresses. B. only use IPv4 addresses to reach an Internet-based location. C. need to have additional software installed to understand IPv6. D. use IPv6 addressing to reach the large number of Internet of Things devices. 2. A hexadecimal digit is a single digit from the hexadecimal number system, which uses base 16 instead of base 10. True False 3. The DNS server A. requires you to set up a specific computer in your home. B. lets you look up an IP address from a domain name. C. lets you look up a domain name from an IP address. D. is not often used any longer. 4. All of the following are true about a client-side program except the idea that A. it cannot update the page displayed by the browser. B. it is often written in JavaScript. C. it can help web pages display animation and visual effects. D. it can reside in the client browser code. 5. Match each of the following terms to its meaning: 1. affective computing - computing that simulates emotion 2. digital forensics - using computer systems to gather legal evidence 3. computer literacy - understanding the capabilities and limitations of computers 4. hacktivism - using computers in a subversive way to promote an agenda 5. sharing economy - sharing a service or product rather than owning it outright 6. Personal ethics can be described as A. the set of stories passed to you through your family history. B. society's established ethical system of conduct. C. the set of formal or informal ethical principles you use to make decisions. D. the laws established by the legal system. 7. Embodied agents A. are hackers working for foreign governments. B. are intelligent personal assistants made possible by artificial intelligence. C. are plagiarism checking software systems. D. are robots that look and act like human beings.
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