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Block 1 Unit 5
TCP/IP
| Question | Answer |
|---|---|
| Which one is Base/Radix 1 1 0 1 (2) | 1 1 0 1 (2) ---------↑ Base/Radix |
| Which one is MSD 1 1 0 1 (2) | 1 1 0 1 (2) ↑ MSD |
| Which one is LSD 1 1 0 1 (2) | 1 1 0 1 (2) -------↑ LSD |
| Which one is Place Holder 1 1 0 1 (2) | 1 1 0 1 (2) -----↑ Place Holder |
| How many characters does the hexadecimal numbering system use? | 16 |
| 839 (10) = | 1101000111(2) |
| 912 (10) = | 1110010000(2 |
| 672 (10) = | 1010100000(2) |
| 764 (10) = | 1011111100(2) |
| 276 (10 = | 114(16) |
| 527 (10 = | 20F(16) |
| 429 (10) = | 1AD(16) |
| 512 (10) = | 200(16) |
| 101100110(2) = | 358(10 |
| 110110101(2) = | 437(10) |
| 111011110(2) = | 478(10) |
| 672 (16) = | 1650(10) |
| 764 (16) = | 1892(10) |
| 986 (16) = | 2438(10) |
| 3E5 (16) = | 997(10) |
| How many binary digits make up a hexadecimal digit? | Four? |
| How do you write the hexadecimal digit of F in binary? | 1111 |
| 101100110101(2) = | B35(16) |
| 100100011010(2) = | 91A(16) |
| 91A(16) = | 100110000110 |
| 3E5(16) = | 1111100101 |
| 2F7(16) = | 1011110111 |
| 4AC(16) = | 10010101100 |
| Computers must have a valid WHAT address in order to communicate on the network? | IP |
| What are the names of the parts an IPc4 address? | Network and host |
| Which part of the IPv4 address identifies a specific network and must be assigned by IANA? | Network |
| To represent a binary IP address in a more user-friendly manner WHAT? is used | dotted decimal notation |
| Which class of IPv4 addressing has network addresses of 1-126? | Class A |
| What IPv4 address has network addresses of 128-191? | Class B |
| Class D addresses are reserved for WHAT? addressing. | Multicast |
| What IPv4 class is identified by the first two bits (10)? | Class B |
| The IPv4 class reserved for research and development is class? | E |
| Subnetting applies to IP addresses because this done is by borrowing bits from the WHAT? portion of IP address | Host |
| A WHAT? is a 32-bit number used to differentiate the network component of an IP address by dividing the IP address into a network address and host address | Subnet mask |
| An Example of CIDR IP addressing is? A) 215.102.65.66-25 B) 215.102.65.66/25 C) 215.102.65.66:25 D) 215.102.65.66(25) | B. 215.102.65.66/25 |
| What? Subnet Mask is used when subnetting a subnet | Variable Length |
| What is the IPv4 address range reserved by the IANA for private internets, are not publicly routable on the global internet and provides 16 contiguous Class B network addresses | 172.16.0.1 to 172.31.255.254 |
| Addresses in the range WHAT? are auto-assigned by a host (to itself) if it is not configured with a static IP and is unable to obtain a DHCP lease. | 169.254.0.0/16 |
| IPv4 reserves all addresses in the range 127.0.0.0 up to 127.255.255.255 | loopback testing |
| WHAT? communication means that delivery of information or data is guaranteed by the protocols employed to transmit it | Connectionless oriented |
| Connectionless-Oriented communication is also known as WHAT communication | datagram |
| WHAT is used when speed is the primary importance, such as real-time video conferencing, streaming audio and video, VOIP, music and online games | UDP |
| List the header fields in a UDP header? | Length Source port Destination port CheckSum |
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