Domain 2.0: Networking Flashcards
FTP uses port ___ and port ___ for FTPS
21 FOR FTP
990 for FTPS
Secure Shell (SSH) & Secure File Transport Protocol (SFTP) bth use port ___
22
Telnet uses port ____
23
The DHCP server has inbound port ___ open and port ___ is used by the client
DHCP Server 67
Client connecting to DHCP 68
A Domain Name Server (DNS) has port __ opened by default
53
LightWeight Directory Access protocol (LDAP) uses port __ and Secure LDAP (SLDAP) uses ___
LDAP = 389 SLDAP = 636
Remote Desktop Protocol uses port
3389
Server Message Block (SMB) uses port ___ and is used to provide access to shares items such as files and printers
445
Apple filtering Protocol offer services for Mac computers running Mac OS & OS X, allowing for transfer of files across the network that uses port ___
548
Service location protocol (SLP) allows device to find services on the LAN without prior configuration. It uses port ___
427
Used to maintain distributed directories of information.
Lightweight Directory Protocol
Provides access to shared items such as files and printers
Server Message Block
Offers services for Mac computers running macOS and OS X
Apple filtering protocol
Used as a standard for managing and monitoring devices in the network.
Simple network management protocol
When there is a alert that needs to be sent to the administrator in a SNMP it’s known as a ___ and uses port __
Trap and uses port 162
SNMP uses 161
Allows computers and other devices to find services in a local area network (LAN) without prior configuration
Service Location Protocol and runs in port 427?
What does 802.11 define
802.11 defines the standards for wireless lans (WLAN)
802.3 defines
Wired Ethernet over twisted pair cable
Any hardware or software used to protect a computer from unwanted intrusion
Firewall
Software or device used that provides for centralized management
Network controller
Used to lengthen the signal farther than it was designed to go originally
Repeater
DSL modem use RJ__ port
RJ11
Coaxial cables uses what port
RG-6
Channels 0-11 are used by
2.4 ghz wireless clients
Channels 48-165 is used by
5 GHz
Forwards an external network port to an internal IP address and Port
Port forwarding
Destination NAT is also known as
Port forwarding
Group of networking protocols that allow computers, printers and other internet ready devices to discover each other on the network
Universal plug and play
Feature that attempts to prioritize data for specific for computer or program
Quality of service (QOS)
System used to Detect unauthorized access to the network and remove it from the network
Intrusion prevention system (IPS)
Used to determine whether an unauthorized person has attempted to access the network and alert the system administrator
Intrusion detection system (IDS)
Incorporate the features of the firewall along with antivirus, anti spam and content filtering and intrusion prevention for the entire network
Unified threat management (UTM)
Policy based approach to network security. it requires endpoint devices to meet particular criteria before they can be granted access to the network resource
End point management server
Servers that centrally control the discovery of endpoint devices in the deployment and updating of those devices security software in features
Endpoint management server
When a computer does not detect a DHCP Server and assigns itself a IP address.
Automatic Private IP address (APIPA)
What IP address is the automatic private IP a addressing on?
169.254.00.000 network
A group of one or more LAN connected over a large geographical area
Wide area network (WAN)
It is not a large geographical area but needs an Internet service provider (ISP) for a high-speed link. Connectes two LAN in the same city
Metropolitan area network (MAN)
Builds on dial up by providing full digital data transmissions over phone lines but at high speed
Digital subscriber line (DSL)
Enable transmission over copper wires that it’s faster than dial up
Asymmetrical digital subscriber line (ADSL)
How does a TCP establish a connection
3 way handshake
Synchronize
Acknowledgment / synchronize
Acknowledgment
What is flow control
Flow control is what TCP uses to make sure the sender does not send to many packets too quickly
A central connecting device that all computers connect to in a weird fashion (Star)
Switch
What is an access point
WAP enables communication over the air via 2.4 GHZ or 5 GHZ
What 802.11 Standard run on 5 GHZ Frequency
802.11 b, g & n
What is a proxy server used for
Acts as a gateway between you and the Internet
Devices that have am integrated CPU and RAM and can process information internally without the need for a controlling system
Embedded / legacy systems
What is a wireless mesh network?
Wireless access points have multiple connections to each other in a mesh or matrix pattern.
What does Ad Hoc mean?
Ad Hoc means there is no controlling device, server or access point
What is Plain Old Telephone Service (POTS)
POTS is a simple landline that comes into the home. allowing a person to make phone calls
What is PSTN
PSTN is the entire set of hardware and tech at a telephone company central office that controls POTS
Builds on dial-up by providing full digital data transmissions over the phone lines but a high speeds
Digital Subscriber Line (DSL)
DSL Modems connect to the phone line
True
Enable transmission over copper wries that is faster than dail up and have faster download speeds than upload.
Asymmetrical Digital Subscriber Line (ADSL)
Download and upload speeds are the same and is faster than dial-up. Rates is anywhere from 1.5 - 5 mbps
Symmetrical Digital Subscriber Line (DSL)
A RG-6 Cable is also known as
Coaxial cable or Internet cable
F screw connector is used on what cable
RG-6 / Coaxial
Uses a parabolic antenna to connect via line of sight to a satellite
Satellite
Used to connect to the internet when landline internet access is not available
Satellite
Requires the customer reception device to face the access point at the tower or ground station of the provider without any obstruction
Line-of-sight or Fixed
What type of connection is limited by the distance from the central office for communication
DSL
Continuity tester or Cable certifier are also known as
Cable tester
What tool is used to test network adaptor when it is not connected to the network
Loopback plug
Since the cable is not on the network, the port for that cable will not light up on the switch / router until a loopback plug is connected and send the signal back
What tool is used to make sure each wire in the cable was wired correctly and works properly
Cable tester / Continuity tester or Cable certifier
what tool is used to find cable/phone lines
Tone Generator / Probe kit
You connect the tone generator to one end of the cable and use the probe device / Inductive amplifier to detect the tone anywhere along the cable
What is the function of a Time-Domain Reflectometer (TDR)?
Finding breaks in copper network cables
What 802.11 standard incorporates MIMO
802.11N & AC
What 802.11 standard incorporates MU-MIMO
802.1AC
The IEEE 802.11n standard specifies available channel bandwidth
20 & 40 MHz
What channel bandwidths are specified in the IEEE 802.11g standard?
20 MHz
What channel bandwidth is used in 802.11b networks?
22 MHz
What is the channel bandwidth specified in the IEEE 802.11a standard?
20 MHz
The IEEE 802.11n standard offers backward compatibility with
802.11a , b & g
The IEEE 802.11g standard is backward compatible with:
802.11b
What are the characteristic features of a WPA/WPA2 Enterprise mode?
Requires RADIUS authentication server & Suitable for large corporate networks
