182 terms

Networking

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Terms in this set (...)

Physical
OSI Layer 1
Data Link
OSI Layer 2
Network
OSI Layer 3
Transport
OSI Layer 4
Session
OSI Layer 5
Presentation
OSI Layer 6
Application
OSI Layer 7
Protocol Data Unit
What does PDU stand for in the OSI Model?
Bits
PDU for Layer 1
Frames
PDU for Layer 2
Packets
PDU for Layer 3
Segments or messages
PDU for Layer 4
Data
PDU for Layer 5
Data
PDU for Layer 6
Data
PDU for Layer 7
All
Board cast is data being sent to how many devices?
One
Uni-cast is data being sent to how many devices?
Media Access Control
What does MAC stand for?
VLAN
Group of hosts with a common set of requirements that communicate as if they were connected together in a normal fashion on one switch regardless of their physical location
Bus
What network typology is this?
Bus
Topology; An arrangement in a local area network (LAN) in which each node (workstation or other device) is connected to a main cable or link
Ring
What network typology is this?
Ring
Topology; Each node connects to exactly two other nodes, forming a single continuous pathway for signals through each node
Star
What network typology is this?
Star
Topology; Every node connects to a central hub, switch or computer; the hub acting as a server and the peripheral devices as clients.
Star
What is the most common network typology?
Mesh
What network typology is this?
Mesh
Topology; A decentralized design in which each node on the network connects to at least two other nodes.
Tree
What network typology is this?
Tree
Topology; A combination of two or more star networks connected together
8 bytes
How big is a frame's preamble?
CRC
What is the closing part of a frame?
4 bytes
How big is the CRC portion of a frame?
Multistation Access Unit
What does MAU stand for?
Multistation Access Unit
What does MSAU stand for?
Multistation Access Unit
What is the central connecting device that all computers in a token ring are connect to?
Multistation Access Unit
A device to attach multiple network stations in a star topology as a token ring network, internally wired to connect the stations into a logical ring
Multistation Access Unit
What is the device in the middle?
Token ring
A network type that sends data logically in a ring fashion, meaning that a token goes to each computer, one at a time, and continues on in a cycle
Ring or Star
What network typology would a Token Ring network used in?
Frame
What is a sequence of bits containing a detachable beginning and end of a packet in the stream of bits?
Layer 2
What OSI layer can you find a frame (#)?
Centralized Computing
What type of computing is done at a centralized location using terminals that are attached to this main system?
Centralized Computing
What style of computing uses dummy terminals?
Peer to Peer
VOIP and file sharing are examples of this type of networking
International Organization for Standardization
What does ISO stand for?
American National Standards Institute
What does ANSI stand for?
Institute of Electrical and Electronic Engineers
What does IEEE stand for?
Open Systems Interconnect
What does OSI stand for?
7 Layers
How many layers are in the OSI model (#)
Layer 7
OSI Layer: Enables user and applications to access network services (#)
Layer 6
OSI Layer: Translates Data into a common format (#)
Layer 5
OSI Layer: Establishes a communication session between devices (#)
Layer 4
OSI Layer: Manages message fragmentation and reassembly (#)
Layer 3
OSI Layer: Manages Data routing and creating sub networks (#)
Layer 2
OSI Layer: Provides error free transfer of data frames (#)
Layer 1
OSI Layer: Physical network media and signal methods (#)
Layer 1
OSI Layer where you would find cables (#)
Layer 1
OSI Layer where you would find jacks (#)
Layer 1
OSI Layer where you would find Patch Panels (#)
Layer 1
OSI Layer where you would find hubs (#)
Layer 1
OSI Layer where you would find MAUs (#)
Layer 1
OSI Layer concepts: Topologies (#)
Layer 1
OSI Layer concepts: Analog vs digital / encoding (#)
Layer 1
OSI Layer concepts: Bit synchronization (#)
Layer 1
OSI Layer concepts: baseband vs broadband (#)
Layer 1
OSI Layer concepts: Multiplexing (#)
Layer 1
OSI Layer concepts: Serial Data Transfer (#)
Ethernet
LAN standard providing communication method for high speed data exchange among devices
Layer 1 and Layer 2
OSI Layer: Where can you find Ethernet? (#)
100 Mbps
Ethernet 100BASE-T: What is the speed of this cable?
Baseband
Ethernet 100BASE-T: What type of band is this cable?
Twisted Pair
Ethernet 100BASE-T: What type of cable is being used here?
802
What is the IEEE standard for Ethernet?
Baseband
Band type: devices on the network use digital signaling over a single frequency?
Broadband
Band type: devices on the network use analog signal over a range of frequency?
Layer 2
OSI Layer: Establishes how transfer is accomplished over the physical layer (#)
Layer 2
OSI Layer: Maintains how transfer is accomplished over the physical layer (#)
Layer 2
OSI Layer: Decides how transfer is accomplished over the physical layer (#)
ROM of the NIC
What is the Media Access Control address burned into?
MAC
What is the physical address of a network device also known as?
Layer 2
OSI Layer: Where can you find a Network Interface Card (#)?
Layer 2
OSI Layer: Where can you find bridges (#)
Yes
Do Network Interface cards have Media Access Control addresses?
Hexadecimal
What is a Media Access Control Address written in?
Six Octets
How long is a Media Access Control Address?
They would kick each other off the network
What would happen if two Network Interface Cards have the same Media Access Control Address?
Layer 2
Name of switch: are hardware-based and use the MAC address of each host computer's network adapter when deciding where to direct data frames.
Media Access Control Address
On a Layer 2 switches are mapped to specific ____ of the device attached
Layer 2
OSI Layer: Where can you finda VLAN at (#)?
802.1Q
What is the IEEE standard for VLANs?
VLAN
OSI Layer 2: What could you use to segment and organize the network, to reduce collisions and boost performance?
Tag
What is added to a data frame to identify the VLAN?
Layer 3
OSI Layer: Translate logical addresses or names to physical addresses (#)
Layer 3
OSI Layer: Internet Protocol (#)
Layer 3
OSI Layer: Routers (#)
Layer 3
OSI Layer: IP Switches (#)
Layer 3
OSI Layer: Subnets (#)
Layer 3 Switch
Name of switch: determines paths for data using logical addressing (IP Addresses) instead of physical addressing
Layer 3 switch
What type of switch switches packets?
Layer 2 switch
What type of switch switches frames?
Layer 4
OSI Layer: Prevents against losses or duplication (#)
Layer 4
OSI Layer: Segments messages (#)
Layer 4
OSI Layer: ensure correct reassembly at the receiving end (#)
Layer 4
OSI Layer: insures data will be in sequence (#)
Layer 4
OSI Layer: Performs message acknowledgement (#)
Layer 4
OSI Layer: Message traffic control (#)
Layer 4
OSI Layer contains both connection-oriented and Connectionless protocols (#)
Connection
Type of communication where both the devices involved in the communication establish an end to end logical connection before data can be sent
Connection
Type of communication where packets are resent:
Connectionless
Type of communication: End to End connection is not necessary before data is sent
Connectionless
Type of communication: Every packet that is sent has the destination address in the header
Connectionless
Type of communication: Packets are not resent
Connectionless
Type of connection: Streaming media
Connection
Type of communication: Transmission Control Protocol:
Connectionless
Type of communication: User Datagram Protocol
Layer 4
OSI Layer: What layer would you find Transmission Control Protocol (#)
Layer 4
OSI Layer: What layer would you find User Datagram Protocol (#)
Transmission Control Protocol
Logging in, file and print sharing, replication of information between domain controllers, transfer of browse lists use this OSI Layer 4 protocol
User Datagram Protocol
Streaming and VOIP in uses this OSI Layer 4 protocol
Layer 4
OSI Layer: What layer would you find ports? (#)
Data Transmission
What are ports used for?
Port
Logical communications endpoint for specific program on computers for delivery of data sent
0 to 6535
What is the range for ports
Internet Assigned Numbers Authority
What institute defines ports?
Internet Assigned Numbers Authority
What does IANA stand for?
Categories
Internet Assigned Number Authority breaks ports into groups of what?
File Transport Protocol
What is port 21 for?
Secure Shell
What is port 22 for?
Terminal Network
What is port 23 for?
Simple Mail Transport Protocol
What is port 25 for?
Domain Name Service
What is port 53 for?
Hyper Text Transport Protocol
What is port 80 for?
Kerberos
What is port 88 for?
Post Office Protocol Version 3
What is port 110 for?
Network News Transport Protocol
What is port 119 for?
NETBIOS
What is port 137?
Datagram
What is port 138?
Session Services
What is port 139?
Internet Access Message Protocol
What is port 143?
Simple Network Management Protocol
What is port 161?
Lightweight Directory Access Protocol
What is port 389?
Hyper Text Transport Protocol Secure
What is port 443?
Server Message Block
What is port 445?
Layer 2 Tunneling Protocol
What is port 1701?
Point-To-Point Tunneling Protocol
What is port 1723?
Remote Desktop Protocol
What is port 3389?
Layer 5
OSI Layer: Manages session establishment, maintenance and termination between network devices (#)
Layer 5
OSI Layer: stores the name and address database for the OS (#)
Layer 5
OSI Layer: NetBIOS(#)
Layer 5
OSI Layer: login or logout(#)
Layer 6
OSI Layer: Translate data format from sender to receiver (#)
Layer 6
OSI Layer: Data encryption (#)
Layer 6
OSI Layer: Data compression (#)
Layer 6
OSI Layer: Character code conversion (#)
Layer 6
OSI Layer: Mapped Hard Drives (#)
Layer 7
OSI Layer: Where do messages begin? (#)
Layer 7
OSI Layer: FTP, SMTP, Telnet and RAS (#)
4
How many layers are in the TCP model?
Network Interface
TCP Layer 1
Internet Layer
TCP Layer 2
Transport Layer
TCP Layer 3
Application Layer
TCP Layer 4
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36:14
Layer 1
What TCP layer would you find Ethernet? (#)
Layer 1
What TCP layer would you find Token Ring? (#)
Layer 1
What TCP layer would you find Frame Relay? (#)
Layer 2
What TCP layer would you find IP? (#)
Layer 2
What TCP layer would you find ICMP? (#)
Layer 2
What TCP layer would you find ARP? (#)
Layer 2
What TCP layer would you find RARP? (#)
Layer 3
What TCP layer would you find UDP? (#)
Layer 3
What TCP layer would you find TCP? (#)
Layer 3
What TCP layer would you find RDP? (#)
Layer 4
What TCP layer would you find HTTP? (#)
Layer 4
What TCP layer would you find TELNET? (#)
Layer 4
What TCP layer would you find FTP? (#)
Layer 4
What TCP layer would you find SNMP? (#)
Layer 4
What TCP layer would you find DNS? (#)
xn--
What ASCII Puny Code Start with?
Recursive
What type of DNS query do most revolvers send?
Non-recursive
What type of DNS query do most name servers send?