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31 Days to CCNA > Day 31 - Networking Models, Devices and Components > Flashcards

Day 31 - Networking Models, Devices and Components Flashcards

1
Q

What are the 7 layers of the OSI Model?

A

Application
Presentation
Session
Transport
Network
Datalink
Physical

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1
Q

What are the 4 layers of the TCP/IP Model?

A

Application
Transport
Internet
Network Access

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2
Q

What layers of the OSI Model coincide with the Network Access layer of the TCP/IP Model?

A

Datalink and Physical

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3
Q

This layer refers to interfaces between network and application software. Also, it includes authentication services.

A

Application

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4
Q

This layer defines the format and organization of data. Also, it includes encryption.

A

Presentation

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5
Q

This layer establishes and maintains end-to-end bidirectional flows between endpoints. It also includes managing transaction flows.

A

Session

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6
Q

This layer provides a variety of services between two host computers, including connection establishment and termination, flow control, error recovery, and segmentation of large data blocks into smaller parts for transmission

A

Transport

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7
Q

This layer refers to logical addressing, routing, and path determination

A

Network

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8
Q

This layer formats data into frames appropriate for transmission onto some physical medium. It also defines rules for when the medium can be used. It also defines the means by which to recognize transmission errors

A

Datalink

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9
Q

This layer defines the electrical, optical, cabling, connectors, and procedural details required for transmitting bits represented as some form of energy passing over a physical medium

A

Physical

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10
Q

This layer of the TCP/IP model represents data to the user and controls dialogue

A

Application

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11
Q

This layer of the TCP/IP model supports communication between diverse devices across diverse networks

A

Transport

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12
Q

This layer of the TCP/IP model determines the best path through the network

A

Internet

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13
Q

This layer of the TCP/IP model controls the hardware devices and media that make up the network

A

Network Access

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14
Q

What protocols are used at the Transport layer of both models?

A

TCP, UDP

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15
Q

What protocols are used at the Internet layer of the TCP/IP Model?

A

IP, ARP, ICMP

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16
Q

What are some examples of protocols used at the Application layer of the TCP/IP Model?

A

DNS, Telnet, SMTP, POP3, IMAP, DHCP, HTTP, FTP, SNMP

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17
Q

This provides the IP Address of a website or domain name so that a host can connect to it

A

DNS

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18
Q

This enables administrators to log in to a host from a remote location

A

Telnet or SSH

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19
Q

These 3 protocols facilitate the sending of email messages between clients and servers

A

SMTP, POP3 and IMAP

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20
Q

This assigns IP Addresses to requesting clients

A

DHCP

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21
Q

This protocol transfers information between web clients and web servers

A

HTTP(S)

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22
Q

This facilitates the download and upload of files between an FTP client and an FTP server

A

FTP

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23
Q

This enables network management systems to monitor devices attached to the network

A

SNMP

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24
This transport layer protocol supports virtual connections between hosts on the network to provide reliable delivery of data
TCP
25
This supports faster, unreliable delivery of lightweight or time-sensitive data
UDP
26
This provides a unique global address to computer for communicating over the network
IP
27
This finds a hosts hardware address when only the IP Address is known
ARP
28
This sends error and control messages, including reachability of another host and availability of services
ICMP
29
This serves as the most popular LAN standard for framing and preparing data for transmission onto the media
Ethernet
30
This includes both IEEE 802.11 standards for wireless local-area networks and cellular access options
Wireless
31
Name the PDU units for each OSI Layer
Application - Data Presentation - Data Session - Data Transport - Segment Network - Packet Datalink - Frame Physical - Bit
32
This protocol supports error recovery to the application layer through the use of basic acknowledgement logic
TCP
33
This Transport layer function enables receiving hosts to choose the correct application for which the data is destined, based on the destination port number
Multiplexing using ports
34
This Transport layer function has the process of numbering and acknowledging data with Sequence and Acknowledgement header fields
Error Recovery (Reliability)
35
This Transport layer function has a process that involve a sliding size that the two end devices dynamically agree upon at various points during the virtual connection
Flow control using Windowing
36
This Transport layer function has a process that is used to initialize port numbers and Sequence and Acknowledgment fields
Connection establishment and termination
37
This Transport layer function has a continuous stream of bytes from an upper-layer process that is 'segmented' for transmission and delivered to upper-layer processes at the receiving device, with the bytes in the same order
Ordered data transfer and data segmentation
38
What port number is TFTP?
69
39
What port number is DNS?
53
40
What port number is SNMP?
161
41
What protocol does SNMP use?
UDP
42
What port number does DHCP use?
67 and 68
43
What protocol does DHCP use?
UDP
44
What protocol does DNS use?
TCP and UDP
45
_________ handles the flow control through a process called _________ ?
TCP Windowing
46
This protocol is a connection-less protocol
UDP
47
True or False: UDP does still provide data transfer and multiplexing using port numbers
True
48
Access layer switches provide what types of features?
Port Security VLANs FastEthernet/GigabitEthernet PoE Link Aggregation QoS
49
Distribution layer switches provide what types of features?
Layer 3 support High forwarding rate Gig Ethernet / 10 Gig Ethernet Redundant Components Security policies / ACLs Link Aggregation QoS
50
Core layer switches provide what types of features?
Layer 3 support Very high forwarding rate Gigabit Ethernet / 10 Gigabit Ethernet Redundant components Link Aggregation QoS
51
This is a network device, either hardware or software based, that control access to the organizations network
Firewall
52
This is a passive detection system. It can detect the presence of an attack, log the information and send an alert. Sits alongside traffic
IDS
53
This is an active device that continually scans the network, sits inline with traffic looking for inappropriate activity
IPS
54
What features do a NGFW offer?
Traditional firewall features Application visibility and control (AVC) Advanced Malware Protection (AMP) URL Filtering
55
WLCs can use the older lightweight access point protocol or the more current protocol called __________?
CAPWAP (Control and Provisioning of Wireless Access Points)
56
The three basic forms of network media are what?
Copper Cable Fiber-optic Cable Wireless
57
What type of cable would you use to connect a switch to a router Ethernet port?
Straight through
58
What type of cable would you use to connect a computer to a switch?
Straight through
59
What type of cable would you use to connect switch to a switch?
Crossover
60
What type of cable would you use to connect router to a router?
Crossover
61
What type of cable would you use to connect computer to a computer?
Crossover
62
What type of cable would you use to connect a computer to a hub?
Straight through
63
A __________ is a network of computers and other components located relatively close together in a limited area
LAN
64
A __________ generally connects LANs that are geographically separated
WAN
65
What does SOHO stand for?
Small office Home office
66
SOHO routers function as what?
Access Point, Switch and Router
67
What is needed for a home SOHO setup?
Computer Broadband access (DSL or Cable) VPN router or client software installed on the computer
68
What type of topology is this?
Ring
69
What type of topology is this?
Mesh
70
What type of topology is this?
Point to Point
71
What type of topology is this?
Star
72
What type of topology is this?
Partial Mesh
73
What type of topology is this?
Bus
74
What type of topology is this?
Extended Star
75
What hierarchical design is this?
2 Tier Collapsed Core
76
What are hierarchical design is this?
3 Tier Campus Design

31 Days to CCNA (27 decks)

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