Block 2 - Unit 1 Flashcards
The __________ type of communication is a means of transmitting data where a connection is established before any data is sent and guarantees delivery of that information or data.
Connection-oriented communication
What type of communication does the device at one end of the communication transmit data, without ensuring the recipient is ready to receive the data?
Connectionless-oriented
Connectionless-Oriented communication is also known as ______ communication.
datagram
What are some popular applications of connectionless-oriented communications?
Streaming audio and video
What is the International Organization for Standardization (ISO) most famous standard?
The OSI model - Open System Interconnection
What are the seven layers of the OSI reference model?
Application, Presentation, Session, Transport, Network, Data Link, Physical
The ______ layer of the OSI reference model relates to the services that directly support user applications.
Application layer
Which layer of the OSI reference model provides flow control and error handling, and participates in solving problems concerned with the transmission and reception of packets?
Transport layer
The layer of the OSI reference model that defines how data is presented and is responsible for converting protocols, translating the data and encrypting the data is the __________ layer.
Presentation layer
What layer of the OSI reference model is responsible for addressing messages and translating logical addresses and names in to physical addresses?
Network layer
A _________ is a highly structured dialog between two workstations.
Session
The ______ layer of the OSI reference model allows two applications on different computers to open, use, and close connection.
Session layer
Which layer of the OSI reference model is responsible for the link between two devices on the same network?
Data-link layer
The physical layer receives _________ frames from the data Layer.
data
Name two ways to help recall the seven layers of the OSI reference model.
Down: All People Seem To Need Data ProcessingUp: Please Do Not Throw Sausage Pizza Away
What is a suite of protocols that has become the dominant standard for internetworking?
TCP/IP
Which part of TCP/IP enables two hosts to establish a connection and exchange streams of data in the form of messages units?
TCP
TCP is a connection-orientated communication protocol which provides ______ and ________ of delivery of data packets.
Sequencing and acknowledgement
What are the four layers of TCP/IP?
Application layer, host-host transport layer, internet layer, network interface
What protocol defines how messages are formatted, transmitted, and what actions Web servers and browsers should take in response to various commands?
Hypertext transfer protocol
What is the purpose of Simple Mail Transfer Protocol (SMTP)?
SMTP is used to transfer e-mail messages and attachments from a sending computer to a receiving computer.
Which protocol is created to permit remote monitoring and management of devices and hosts?
Simple Network Management Protocol
The protocol that provides a friendly name to IP address on the internet is _________.
DNS - Domain Name System
What protocol assigns an IP address to computers as they are started up on the network?
DHCP - Dynamic Host Configuration Protocol
_____ is a connectionless protocol which is not responsible for end-to-end transmission of data.
UDP - User Datagram Protocol
ARP operates at the Network layer of the OSI model and is used to discover where an individual ____________ is physically located.
IP address
Which protocol provides an interface and services for file transfer between computers across the internet, but does not transfer e-mail messages?
FTP - File Transfer Protocol
Computers must have a valid ___ address for devices to communicate on the network.
IP - Internet Protocol
How is an IPv4 addresses represented?
IPv4 addresses are four sets of 8 binary bits (four OCTETS or BYTES) for a total of 32 bits
What are the two main parts an IPv4 address is divided into?
The network number and the host number
Which part of the IPv4 address identifies a specific network and must be assigned by IANA?
The network number
To represent a binary IP address in a more user-friendly manner __________ is used.
Dotted decimal notation
Which class of IPv4 address has network addresses of 1-126?
Class A addresses
What IPv4 class is used for small networks?
Class C addresses
Which class of IPv4 address has network addresses of 128-191?
Class B addresses
Class D addresses are reserved for ________ addressing and have network addresses of ___________.
Multicast addressing, 224- 239
Which IPv4 class is identified by the first two bits (10)?
Class B address
The IPv4 class reserved for research and development is class_____.
Class E addresses
Which IP version is a new version designed as the successor to IPv4?
IPv6
An IPv6 address is ____ bits long.
128 bits
An IPv6 address is composed of a ______ prefix and ______ID.
64-bit network prefix and a 64-bit host ID
An IPv6 address is written as an eight-part (4 digit) _________ address separated by colons.
hexadecimal
What type of representation is it when a IPv6 address is abbreviated, such as FB40::1?
Compressed representation
What are the three broadcast methods of IPv6?
Unicast, multicast and anycast
Which TCP ports ranges is 0-1023?
Well known ports
What is the range of Registered Ports?
1,024 - 49,151
There are a total of ________ TCP ports.
65,535
