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Comptia net > TCP/IP Fundamentals > Flashcards

TCP/IP Fundamentals Flashcards

1
Q

CIDR

Classless Inter-Domain Routing

A

A notation in which the subnet mask is identified following the IP address

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2
Q

FTP

File Transfer Protocol

A

More efficient in transferring files from source to destination than HTTP; had two ports: 20 & 21

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3
Q

ICMP

Internet Control Message Protocol

A

Troubleshooting protocol for TCP/IP that provides feedback to IP in relation to network communications an is used by troubleshooting utilities such as Ping and TraceRT

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4
Q

IGMP

Internet Group Management Protocol

A

Provides multicasting capabilities for TCP/IP; keeps track of the membership of the group associated with a multicast address

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5
Q

ISATAP

Intra-Site Automatic Tunnel Addressing Protocol

A

An IPv6 transition mechanism that is meant to transmit IPv6 packets between nodes that are what we call “dual stack nodes”

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6
Q

NTP

Network Time Protocol

A

Operating on port 123 and is used to ensure time synchronization with an external time source

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7
Q

RDP

Remote Desktop Protocol

A

Used to remotely control Windows system and is inherently included in Windows XP and later operating on port 3389

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8
Q

RTP

Real-Time Transfer Protocol

A

Handles the transfer of data on voice-over IP networks

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9
Q

SIP

Session Initiation Protot

A

Used on voice over IP networks as it handles the initial connection between two phone systems

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10
Q

SMB

Server Message Block

A

The standard file level access protocol on a Windows network used by the Netlogon service and operating on port 445

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11
Q

SNMP

Simple Network Management Protocol

A

A Management and monitoring software used to monitor both computers as well as net devices like routers and switches

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12
Q

SSH

Secure Shell

A

A secure form of command line administration primarily used with UNIX and Linux systems

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13
Q

TFTP

Trivial File Transfer

A

Used in similar fashion to FTP but uses UDP as the transport protocol as opposed to TCP

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14
Q

ARP

Address Resolution Protocol

A

Used to resolve MAC addresses of local network hosts on behalf of IP

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15
Q

Application Layer

A

Gives programs access to the Internet

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16
Q

Broadcast

A

A type of communication that is one-to-all

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17
Q

Classful System

A

Describes default subnet masks; wasteful and no longer used

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18
Q

Classless Addressing

A

Allows variable length subnet masking which provides greater flexibility and more efficient use of the IPv4 address space

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19
Q

DHCP

Dynamic Host Configuration Protocol

A

Listens for a client’s broadcast requesting an IP address on port 67

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20
Q

DNS

A

Name resolution standard on the Internet and in most major network operating systems

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21
Q

Fragmentation

A

Primary function at the transport layer that is to divide larger packets into small sections ready for transport

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22
Q

H.323

A

Conferencing protocol used by some conferencing applications and unified communications systems

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23
Q

HTTPS

A

Simply HTTP in conjunction with Secure Socket Layer (SSL), which adds encryption to the connection

24
Q

HTTP

Hypertext Transfer Protocol

A

Utilized on the Internet allow the browsing of the web

25
Internet Layer
Primarily responsible for the addressing and routing of packets
26
Internet Protocol (IP)
Responsible for addressing packets, for determining the route that those packs will take, and delivering those packets to the next hop which is generally the interface on a router; connection less
27
IP Address
Used as the ultimate source and destination
28
IPv4
Specifies a particular address structure using 32-bit addresses
29
IPv6
Next generation IP and was created in order to address many of the inefficiencies of the original version of TCP/IP
30
Kerberos
An authentication protocol available for Microsoft and UNIX-like systems
31
Media Access Control Address
Used as the next hop identifier
32
Media Gateway Control Protocol
Used as an alternative to RTP
33
Multicast Traffic
A one to many type of network communication
34
Multicasting
Often used with conferencing applications that support collaboration between multiple systems on a network, or with devices that need to communicate together automatically and do not wish to clog the network with broadcast traffic
35
NetBIOS
A session service that operates on port 137 to 139
36
Network Interface Layer
Primarily responsible for ensuring that data frames are placed on the physical media and taken off at the destination
37
Network Protocol
A computer language that systems on a network use to communicate with one another
38
Octet
8 bits and are written in what is called “ dotted decimal notation”
39
OSI Reference Model (OSI/RM)
Developed by IEEE in the early 80’s as a layered approach to computer networking; helps us to understand communications as well as understand protocols, devices, and their various capabilities
40
Ping Utility
Sends “echo request” packets to a destination and hopes for “echo replies” indicating that that destination is responding and on the network
41
Port 21
Required for an inbound connection to a FTP server
42
Port 80
Bound to the destination IP address forming a socket
43
Routable
Can communicate between different network segments separated by network routers
44
Routing Packets
Simply the transfer from one physical network segment to another, regardless of the distance between those segments, and will involve a network device known as a router as well as a routable protocol
45
Sequence Numbers
Ensure that the destination system is able to correctly reassemble the data
46
Socket
Port number in combination with the destination IP address
47
State fuel Configuration
Use information provided through the initial router advertisements and servers running DHCPv6
48
Stateless Configuration
Used only information from neighboring routers
49
Subnet Mask
32-bit binary number that is used by both routers and host to distinguish between the network and host portions of the address
50
Subnetting
Process of taking a single network segment and dividing it into additional subnetworks
51
Telnet
Another form of remote administration via the command line, but is not heavily used because of security risk
52
Transmission Control Protocol (TCP)
A reliable protocol that operates at the transport Layer; another term that is used is “connection-oriented”
53
Transmission Control Protocol/ Internet Protocol (TCP/IP)
A routable protocol that provides the ability to transfer network packets from one segment to another
54
Transport Layer
Primarily responsible for beginning to create packages of data to send from source and to destination
55
Transport Layer Protocols
Responsible for identifying the application Layer protocols using port numbers and sockets
56
Unicast Traffic
Accounts for most of the traffic on today’s networks
57
User Datagtam Protocol (UDP)
Not reliable and instead is categorized as “connectionless”

Comptia net (1 decks)

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