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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
Q

Internet Layer

A

Primarily responsible for the addressing and routing of packets

26
Q

Internet Protocol (IP)

A

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
Q

IP Address

A

Used as the ultimate source and destination

28
Q

IPv4

A

Specifies a particular address structure using 32-bit addresses

29
Q

IPv6

A

Next generation IP and was created in order to address many of the inefficiencies of the original version of TCP/IP

30
Q

Kerberos

A

An authentication protocol available for Microsoft and UNIX-like systems

31
Q

Media Access Control Address

A

Used as the next hop identifier

32
Q

Media Gateway Control Protocol

A

Used as an alternative to RTP

33
Q

Multicast Traffic

A

A one to many type of network communication

34
Q

Multicasting

A

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
Q

NetBIOS

A

A session service that operates on port 137 to 139

36
Q

Network Interface Layer

A

Primarily responsible for ensuring that data frames are placed on the physical media and taken off at the destination

37
Q

Network Protocol

A

A computer language that systems on a network use to communicate with one another

38
Q

Octet

A

8 bits and are written in what is called “ dotted decimal notation”

39
Q

OSI Reference Model (OSI/RM)

A

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
Q

Ping Utility

A

Sends “echo request” packets to a destination and hopes for “echo replies” indicating that that destination is responding and on the network

41
Q

Port 21

A

Required for an inbound connection to a FTP server

42
Q

Port 80

A

Bound to the destination IP address forming a socket

43
Q

Routable

A

Can communicate between different network segments separated by network routers

44
Q

Routing Packets

A

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
Q

Sequence Numbers

A

Ensure that the destination system is able to correctly reassemble the data

46
Q

Socket

A

Port number in combination with the destination IP address

47
Q

State fuel Configuration

A

Use information provided through the initial router advertisements and servers running DHCPv6

48
Q

Stateless Configuration

A

Used only information from neighboring routers

49
Q

Subnet Mask

A

32-bit binary number that is used by both routers and host to distinguish between the network and host portions of the address

50
Q

Subnetting

A

Process of taking a single network segment and dividing it into additional subnetworks

51
Q

Telnet

A

Another form of remote administration via the command line, but is not heavily used because of security risk

52
Q

Transmission Control Protocol (TCP)

A

A reliable protocol that operates at the transport Layer; another term that is used is “connection-oriented”

53
Q

Transmission Control Protocol/ Internet Protocol (TCP/IP)

A

A routable protocol that provides the ability to transfer network packets from one segment to another

54
Q

Transport Layer

A

Primarily responsible for beginning to create packages of data to send from source and to destination

55
Q

Transport Layer Protocols

A

Responsible for identifying the application Layer protocols using port numbers and sockets

56
Q

Unicast Traffic

A

Accounts for most of the traffic on today’s networks

57
Q

User Datagtam Protocol (UDP)

A

Not reliable and instead is categorized as “connectionless”

Comptia net (1 decks)

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