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Network+ Concepts 1
Network+ Concepts 1
56
Other
Professional
06/28/2012

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Term
APIPA
Definition
Auto Private IP Addressing, or auto IP, used to communciated on same segment?
Term
STP
Definition
Shield Twisted Pair
Term
Define IMAP and give it's port
Definition
Internet Message Access Protocol (IMAP), alternative to POP, used on port 143
Term
Define MDF
Definition
Main Distribution Frame, like a huge patch panel, used to terminate WAN
Term
Define NTP
Definition
Network Time Protocol
Term
TACACS+
Definition
Terminal Access Controller Access-Controller system Plus, which is an access control network protocol for routers, network access servers. It uses TCP.
Term
RADIUS
Definition
Remote Authentication Dial In User Service, which is a networking protocol that provides centralized Authentication, Authorization, & Accounting
Term
Kerberos
Definition
A computer network authentication protocol that uses a 'shared secret' which is a password
Term
RRAS
Definition
Routing and Remote Access Service, an API that makes it possible to create apps that will adminster routing and remote access services of the OS.
Term
nslookup
Definition
command line tool, converts domain name to ip address
Term
nbstat
Definition
Converts NetBIOS to IP Address
Term
dig
Definition
command line tool for looking up DNS records
Term
port mirroring
Definition
(Blank) is used on a network switch to send a copy of network packets from one port (or an entire VLAN) to a network monitoring connection on another switch port.
Term
DMZ
Definition
a method of providing additional layer security against external attacks
Term
Qos
Definition
Quality of Service
Term
Trunking
Definition
providing network access to many clients by sharing a set of lines or freq's
Term
arp
Definition
Address Resolution Protocol, converts IP to MAC address
Term
netstat
Definition
command line tool, displays network connections
Term
nips
Definition
Network -based intrusion prevention system, monitors entire network for suspicious traffice by analying protocol actvitiy.
Term
hids
Definition
Host-based Intrusion Detection Software
Term
smurf attack
Definition
A type of denial-of-service attack by using pings
Term
man-in-the-middle
Definition
A type of active eavesdropping, in which attacker intercepts and re-transmits connections between 2 victims
Term
ICMP protocol
Definition
Internet Control Message Protocol, part of the IP suite, used to OS's of networked computers to send error messages.
Term
PKI
Definition
Public-key Infastructure, combinining public keys with private keys
Term
port 20 is for
Definition
ftp
Term
port 21 is for
Definition
ftp
Term
port 22 is for
Definition
ssh
Term
port 23 is for
Definition
telnet
Term
port 25 is for
Definition
smtp
Term
port 49 is for
Definition
tacacs+
Term
port 53 is for
Definition
DNS
Term
port 80 is for
Definition
http
Term
port 110 is for
Definition
pop
Term
port 123 is for
Definition
ntp
Term
port 161 is for
Definition
snmp
Term
port 162 is for
Definition
snmp/trap
Term
port 443 is for
Definition
https
Term
ports 1645, 1646, 1812, 1813 are for
Definition
RADIUS
Term
Data is encapuslated into (BLANK) at the Physical layer
Definition
Bits
Term
Data is encapuslated into (BLANK) at the Data Link layer
Definition
Frames
Term
Data is encapuslated into (BLANK) at the Network layer
Definition
Packet
Term
Data is encapuslated into (BLANK) at the Transport layer
Definition
Segment
Term
Data Link layer addresses are (BLANK) or (BLANK)
Definition
MAC or LLC Header
Term
Network layer addresses are (BLANK)
Definition
IP adresses
Term
Globally Unique MAC addresses start with…
Definition
*0,*4,*8,*C
Term
Locally Adminsitered MAC addresses start with…
Definition
*2,*6,*A,*E
Term
Multicast MAC addresses start with
Definition
*1,*3,*5,*7,*9,*B,*D,*F
Term
A broadcast address looks like
Definition
FF-FF-FF-FF-FF-FF
Term
RIP
Definition
Routing Information Protocol, uses hop count for distance vector
Term
OSPF
Definition
Open Shortest Path First
Term
STP
Definition
Spanning Tree Protocol
Term
Broadcast storm
Definition
pings and multicasts causing lots of traffic
Term
Statistical anomaly-based detection
Definition
comparing current network activity to a baseline, looking for abnormal traffic volume
Term
BGP
Definition
Border Gateway Protocol
Term
DOCSIS
Definition
Data Over Cable Service Interface Specification, DOCSIS
Term
HDLC
Definition
High-Level Data Link Control
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