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ICND1 > TCP/IP & OSI Networking Models > Flashcards

TCP/IP & OSI Networking Models Flashcards

1
Q

Refers to an organized set of documents.

A

Netoworking Model or Networking Architecture

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2
Q

____________ is a set of logical rules that devices must follow to communicate.

A

Protocol

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3
Q

What does TCP/IP stand for?

A

Transmission Control Protocol/Internet Protocol

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4
Q

What does OSI stand for?

A

Open System Interconnection

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5
Q

What are the four layers of TCP/IP?

A

Application, Transport, Internet, Network Access

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6
Q

In short, the _______ layer provides an interface between software running on a computer and the network itself.

A

Application

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7
Q

HTTP stands for?

A

Hypertext Transfer Protocol

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8
Q

URL stands for?

A

Universal Resource Locaters

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9
Q

HTML stands for

A

Hypertext Markup Language

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10
Q

The two computers use a protocol to communicate with the same layer on another computer. The protocol defined by each layer uses a header that is transmitted between the compueters, to communicate what each computer wants to do. What is this an example of?

A

Same-layer interaction interaction on different computers

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11
Q

The TCP/IP Trasport Layer consists of two main protocol options.

A

Transmission Control Protocol (TCP) and User Datagram Protocol (UDP)

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12
Q

On a single computer, one layer provides a service to a higher layer. The software or hardware that implements the higher layer requests that the next lower layer perform the needed function. What is this an example of?

A

Adjacent-layer interaction on the same computers

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13
Q

This term __________ _________ refers to the fact that this layer defines how to physically connect a host computer to the physical media over which data can be transmitted.

A

network access

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14
Q

The term _________ refers to the process of putting headers and trailers around some data.

A

Encapsulation

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15
Q

Which layer is associated with a segment?

A

transport layer

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16
Q

Which layer is associated with a Packet?

A

internet layer / Network

17
Q

Which layer is associated with a Frame?

A

network access layer/ Data Link

18
Q

What are the seven layers in the OSI Model

A
  1. Physical
  2. Data Link
  3. Network
  4. Transport
  5. Session
  6. Presentation
  7. Application
19
Q

This layer typically refers to standards from other organizations. These standards deal with the physical characteristics of the transmission medium, including connectors, pins, use of pins, electrical currents encoding, light modulation, and the rules for how to activate and deactivate the use of the physical medium.

A

Physical Layer (1)

20
Q

This layer defines the rules (protocols) that determine when a device can send data over a particular medium. _____ _____ protocols also define the format of a header and trailer that allows devices attached to the medium to send and receieve data successfully. The ___ ___ trailer, which follows the encapsulated data, typically defines a Frame Check Sequence (FCS) field, which allows the receivng device to detect transmission erros.

A

Data Link Layer (2)

21
Q

This layer defines three main features: logical addressing, routing (forwarding), and path determination. The routing concepts define how devices (typically routers) forward packets to their final destination. Logical addressing defines how each device can have an address that can be used by the routing process. Path determination refers to the work done by routing protocols by which all possible routes are learned, but the best route is chosen for use.

A

Network Layer (3)

22
Q

This layer focuses on issues related to data delivery to another computer-for instance, error recovery and flow control.

A

Transport Layer (4)

23
Q

This layer defines how to start, control, and end conversations (called _____). This includes the control and management of multiple biddirectional messages so that the application can be notified if only some of a series of messages are completed. This allows the presentation layer to have a seamless view of an incoming stream of data.

A

Session Layer (5)

24
Q

This layer’s main focus is to define and negotiate data formats, such as ASCII text, EBCDIC text, binary, BCD, and JPEG. Encryption also is defined by OSI as a presentation layer service.

A

Presentation Layer (6)

25
Q

This layer provides an interface between the communication software and any applications that need to communicate outside the computer on which the application resides. It also defines processes for user authentication.

A

Application Layer (7)

26
Q

What is included in a Segment?

A

Transfer protocol and Data

27
Q

What is included in a Packet?

A

IP, Transfer protocol and Data

28
Q

What is included in a Frame?

A

Headers, Trailers, IP, Transfer protocol, and Data

29
Q

Which of the following protocols are examples of TCP/IP transport layer protocols? (choose two)

a. Ethernet
b. HTTP
c. IP
d. UDP
e. SMTP
f. TCP

A

d. UDP & f. TCP

30
Q

Which of the following protocols are examples of TCP/IP data link layer protocols? (choose two)

a. Ethernet
b. HTTP
c. IP
d. UDP
e. SMTP
f. TCP
g. PPP

A

a. Ethernet & g. PPP

31
Q

The process of HTTP asking TCP to send some data and making sure that it is recieved correctly is an example of what?

a. Same - layer interaction
b. Adjacent - layer interaction
c. OSI Model
d. All of these answers are correct

A

b. Adjacent - layer interaction

32
Q

The process of TCP on one computer marking a TCP segment as segment 1, and the receiving computer then acknowledging the receipt of TCP segment 1 is an example of what?

a. Data encapsulation
b. Same-layer interaction
c. Adjacent-layer interaction
d. OSI Model
e. All of these answers are correct

A

b. Same-layer interaction

33
Q

The process of a web server adding a TCP header to the contents of a web page, followed by adding an IP header and then adding a data link header and trailer, is an example of what?

a. Data encapsulation
b. Same-layer interaction
c. OSI Model
d. All of these ansers are correct

A

a. Data encapsulation

34
Q 
Whcih of the following terms is used specifically to identify the entity created when encapsulating data inside data link layer headers and trailers? 
a. Data
b. Chunk
c. Segment
D. Frame
e. Packet
A

d. Frame

35
Q

Which OSI layer defines the functions of logical network-wide addressing and routing?

a. Layer 1
b. Layer 2
c. Layer 3
d. Layer 4
e. Layer 5, 6, or 7

A

c. Layer 3

36
Q

Which OSI Layer defines the standards for cabling and connectors?

a. Layer 1
b. Layer 2
c. Layer 3
d. Layer 4
e. Layer 5, 6, or 7

A

a. Layer 1

37
Q

Which of the following terms are not valid terms for the names of the seven OSI layers? (Choose two)

a. Application
b. Data link
c. Transmission
d. Presentation
e. Internet
f. Session

A

c. Transmission & e. Internet

38
Q

The process of forwarding the IP packet is called?

A

IP Routing or simply Routing

39
Q

The term ____ refers to the physical connections, or links, between two devices and the protocols used to control those links.

A

link

ICND1 (9 decks)

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