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Network Security Practice Test: Internet Protocol & Network Addressing
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Avg score: 67% Most missed: “If the first address is First address = 18.14.12.0/22. What is the last address?”
Internet Protocol, Network Addressing topics include:  IP addressing and datagram packets, classful and classless addressing, subnet design. Internet Protocol (IP) is a network layer communications protocol that relays datagrams across network boundaries. It's part of the Internet protocol suite, also known as the TCP/IP suite.  IP stands for Internet Protocol. When you request data over the internet, your address is always sent along so that the data can be sent back to your unique IP address. Your IP address can be thought of as the name of the device, making everything that happens... Show more
Network Security Practice Test: Internet Protocol & Network Addressing
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25 Questions

1. Number of Blocks in class B are –
2. Each block in class A contains _____________ addresses.
3. An organization is granted the block 130.34.12.64/26. What is the last address of the network?
4. An organization is granted the block 130.34.12.64/26. Find the number of addresses for the whole network.
5. A classless address is given as 167.199.170.82/27. Find the first address.
6. No. of address in the block= N= NOT(mask)+1.
7. If the first address is First address = 18.14.12.0/22. What is the last address?
8. Classless Addressing overcomes the problem of –
9. ICANN stands for Internet Corporation for Assigned Names and Addresses.
10. In an IP packet, the value of HLEN is 516 and the value of the total length field is 002816.What is the efficiency of this datagram?
11. In an IP packet, the value of HLEN is 1000 in binary. How many bytes of options are being carried by this packet?
12. Last Address is –
13. An IP packet has arrived with the first 8 bits as 01000010. What is the version?
14. CIDR stands for –
15. What is the error (if any) in the following representation - 221.34.7.8.20?
16. Which of the following values can ‘n’ not take?
17. A packet has arrived in which the offset value is 100, the value of HLEN is 5 and the value of the total length field is 100. What is the number of the last byte
18. An ISP has requested a block of 1000 addresses. How many blocks are granted to it?
19. Each block in class B contains __________ addresses.
20. Percent of addresses occupied by Class D?
21. A router receives a packet with the destination address 132.7.21.84. Find the network address of the packet.
22. An organization is granted the block 130.34.12.64/26. The organization needs four subnetworks, each with an equal number of hosts. What is the number of addresses to each subnetwork?
23. The slash notation in classless addressing is referred to as –
24. Address of the block is –
25. In an IP packet, the value of HLEN is 5_16 and the value of the total length field is 0028_16. How many bytes of data are being carried by this packet?