Ccna Flash Cards Pdf
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- If a subnet mask of 255.255.255.128 is used with a class B address, how many total subnets and total hosts are there? Select 1 answer. A) 510 subnets with 126 hosts.
- Study CCNA Icnd2 Flash Cards Flashcards at ProProfs - CCNA Flashcards for the ICND2 Exam.
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The communication between two networking devices for the purposes of the functions defined at a particular layer of a networking model. This communication is conducted using a header and encapsulated data defined by that layer of the model. | |||
The basic concept of how on one computer two adjacent layers in a network model work together with the lower layer providing services to the higher layer. | |||
A segment is the term used to describe the TCP header and its encapsulated data. I.E. the transport layer in the TCP/IP model | |||
a Packet is the IP header and its encapsulated data, i.e. the Internet layer of the TCP/IP model | |||
A frame is the Link Header, it's encapsulated data, and the Link trailer. i.e. the Network access layer of the TCP/IP model. | |||
A PDU is an OSI Layer term to generically refer to a grouping of information at a particular layer of the OSI model. i.e. LxPDU would imply the data and headers as defined by Layer X | |||
(FYI mnemonic: All people seem to need data processing) 7. Application6. Presentation5. Session4. Transport3. Network2.> | List the Layers of the TCP/IP models and their OSI Equivalents | TCP/IP modelOSI ModelApplication Layers 5-7 (App, Pres, session)Transport Layer 4 (Transport)Internet Layer 3 (Network)Network Access Layer 2-1 (Data-Link, Physical) Sometimes Network Access is split into Data Link & Physical | |
List and define layer 7 of the OSI Model & Provide an Example(s) | Application - Interfaces between network and application software. Also includes user authentication services | ||
List and define layer 6 of the OSI Model & Provide an Example | Presentation - Defines and negotiates data formats between systems. It also defines encryption. Examples ASCII, JPEG, binary. | ||
List and define layer 5 of the OSI Model & Provide an Example | Session - Establishes and maintains end-to-end bidirectional flows between endpoints. Includes managing transaction flows | ||
List and define layer 4 of the OSI Model & Provide an Example | Transport - Provides connection establishment and termination, flow control, error recovery, and segmentation of large data blocks into smaller parts for transmission. | ||
List and define layer 3 of the OSI Model & Provide an Example | Network - Logical addressing, routing, and path determination. | ||
List and define layer 2 of the OSI Model & Provide an Example | Data-link - formats data into frames appropriate for transmission onto some physical medium. Defines rules for when the medium can be used. Defines means by which to recognize transmission errors. | ||
List and define layer 1 of the OSI Model & Provide an Example | Physical - Defines the electrical, optical, cabling, connectors, and procedural details required for transmitting bits over a physical medium. | ||
List and define layer 4 of the TCP/IP model, its OSI equivalent(s), and examples | Application layer - Layers 7-5 of the OSI Model (Application, Presentation, Session). - provides an interface between software and network. Examples include Telnet, FTP, DNS, HTTP, SMTP, POP. | ||
List and define layer 3 of the TCP/IP model, its OSI equivalent(s), and examples | Transport layer - Layer 4 of the OSI model (Transport). provides /defines error recovery & flow control. Examples TCP, UDP | ||
List and define layer 2 of the TCP/IP model, its OSI equivalent(s), and examples | Internet - Layer 3 of the OSI Model (Network). Provides rules for addressing and routing. Examples IP. | ||
List and define layer 1 of the TCP/IP model, its OSI equivalent(s), and examples | Network Access - Layers 2 & 1 of the OSI Model (Data-Link and Physical). Defines rules on how to physically connect devices to the physical medium over which data can be transmitted (Ethernet, Frame Relay, Physical - RJ45, V.35) | ||
In the TCP/IP model, which layer can be split into two more distinct layers and what are they. | Layer 1 - Network Access can be split into> | - Less complex - Standard Interfaces - Easier to Learn - Easier to Develop - Multivendor interoperability - Modular Engineering | |
1. Device with frame to send listens until ethernet not busy2. When Ethernet not busy, sender begins sending the frame3. Sender listens to make sure no collision occured4. If collision occurs, all senders send jamming signal to make sure that all senders realize collision occured5. Senders then wait a random amount of time and tries again.6. When each random timer expires, process begins at step 1. | |||
Define the structure of Uni-cast Ethernet Addresses | OUI Vendor AssignedOrganizationally NIC Cards, InterfacesUnique Identifier 24 Bits 24bits 6 Hex digits 6 Hex DigitsExmple: 00 60 2F 3A 07 BC | ||
At what bit rate does a DS0 Leased Line transmit at? | |||
At what bit rate does a DS1 (T1) Leased Line transmit at? | |||
At what bit rate does a DS3 (T3) Leased Line transmit at? | |||
At what bit rate does a E1 Leased Line transmit at? | |||
At what bit rate does a E3 Leased Line transmit at? | |||
At what bit rate does a J1(Y1) Leased Line transmit at? | |||
StandardBytes 1 1 1 Var 4 Flag Address Control Data FCS Cisco1 1 1 2 Var 4 Flag Address Control Type Data FCS | |||
imposition of time ordering on a bit stream. i.e. one device tries to send at the same rate as the other device on the other end of the serial link. | |||
The clock source is the device on the link to which the other devices sync their speeds to. | |||
Channel Service Unit/Data Service Unit.Device used by routers (typically) to interface with Telco's equipment. | |||
Data terminal EquipmentDTE synchronizes its clock based on the clock sent by the DCE. From a packet switching network, is the device outside the service providers/telco network, typically a router. | |||
Data communications equipment.the DCE device provides clocking on a WAN link, typically a CSU/DSU. From a packet switching perspective, the service provider's switch. | |||
Write out chart of Classful networks (A, B, C), include # of network bytes(bits), #of host bytes(bits), # of addresses per network | Class 1st Octet # network bytes # of host bytes #addy A 1-126 1(8) 3(24) 224-2 B 128-191 2(16) 2(16) 216-2 C 192-223 3(24) 1(8) 28-2 | ||
Class valid net # total # nets total # hostsA 1.0.0.0-126.0.0.0 27-2 (126) 224-2 (16,777,214)B 128.0.0.0-191.255.0.0 214(16,384) 216-2 (65,534)C 192.0.0.0-223.255.255.0 221(2,097,152) 28-2 (254) | |||
List the steps a router goes through in order to forward an IP packet | 1. Use the> | List the 4 messages that would occur if a DHCP client requested a DHCP address | 1. DHCP Discover msg (LAN Broadcast)2. DHCP Offer Msg (LAN Broadcast)3. DHCP Request Msg directed to server4. DHCP Ack directed to client. |
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Ccna Flash Cards Pdf Files
Sep 29, 2015 CCNA Flash Cards and Exam Practice Pack, Third Edition, gives you three methods of proven, late-stage exam preparation in one package. The CCNA practice exam engine includes new testlet question types and updated simulation questions for a more realistic practice exam experience. The communication between two networking devices for the purposes of the functions defined at a particular layer of a networking model. This communication is conducted using a header and encapsulated data defined by that layer of the model. Define Adjacent-layer interaction The basic concept of how. Start studying CCNA Routing & Switching 200-125. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Free Flash Cards. All free flash cards. The OSI Model. Learn the different responsibilities and protocols of each layer of the OSI model. Ethernet cabling. Memorise the different types of cabling and their individual properties. Port numbers. Memorise the association between application and port number. Iv Cisco CCNA Routing and Switching 200-120 Flash Cards and Exam Practice Pack About the Author Eric Rivard is a professional services manager for CDW overseeing an industry expert team of consultants who implement advanced Cisco, Microsoft, data center.
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