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IT Fundamentals
Block 1 Unit 5 - Mar 2023
| Question | Answer |
|---|---|
| How many characters does the hexadecimal numbering system use? | 6 characters (A-F)(108) |
| How many binary digits make up a hexadecimal digit? | 16 digits |
| How do you write the hexadecimal digit of F in binary? | 1111 |
| Computers must have a valid _____ address in order to communicate on the network. | IP (135) |
| What are the names of the two parts an IPv4 address? | Network number, and host number (137) |
| Which part of the IPv4 address identifies a specific network and must be assigned by IANA? | Network Number (137) |
| To represent a binary IP address in a more user-friendly manner _______ _______ __________ is used. | Dotted Decimal Reversal (329) |
| Which class of IPv4 addressing has network addresses of 1-126? | Class A (138) |
| What IPv4 class is used for small networks? | Class C (143) |
| Which class of IPv4 address has network addresses of 128-191? | Class B (138) |
| Class D addresses are reserved for ____________ addressing. | Multicast Addressing (144) |
| Which IPv4 class is identified by the first two bits (10)? | Class B (142) |
| The IPv4 class reserved for research and development is class ________. | Class E (145) |
| Subnetting applies to IP addresses because this is done by borrowing bits from the _______ portion of the IP address. | host (147) |
| A ________ _______ 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 (150) |
| ________ ______ ______ ______ is used when subnetting a subnet. | Variable Length Subnet Masking (157) |
| 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 (160) |
| Addresses in the range ______________ 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 (161) |
| IPv4 reserves all addresses in the range 127.0.0.0 up to 127.255.255.255 for use in _______. | Redundancy |
| ___________________communication means that delivery of information or data is guaranteed by the protocols employed to transmit it. | Connection Oriented (175) |
| TCP is a connection-orientated communication protocol which provides ___________ and _______________of data packet delivery. | Sequencing and Acknowledgement (176) |
| The ___________ layer assigns port numbers to the protocols running in applications on the host and adds a _____ header to the messages received from the applications detailing the ___________ ________ ____________ port numbers. | Transport Layer(186) UDP Header (186) Source and Destination (186) |
| The TCP header size is _____ bytes. | 8 (186) |
| ______________ _____________communication means data is sent from one end-point to another without prior arrangement and no guarantees that the data will actually reach the recipient. | Connectionless Oriented (184) |
| Connectionless-Oriented communication is also known as _____________communication. | Datagram (184) |
| ________ is used when speed is the primary importance, such as real-time video conferencing, streaming audio and video, VOIP, music and online games. | UDP (185) |
| List the header fields in a UDP header. | Length, Source Port, Destination Port, CheckSum (186) |
Created by:
merrellm
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