Term
|
Definition
*Application Layer
Simple Network Management Protocol
(Gather statistics from network devices) |
|
|
Term
| DNS - Domain Name Service |
|
Definition
| Converts domain names to IP addresses |
|
|
Term
| BOOTP - Bootstrap Protocol |
|
Definition
Application Layer protocol in the TCP/IP suite that uses a central list of IP addresses and their associated devices MAC addresses to assign IP addresses to clients dynamically.
(Automates the IP address configuration process) |
|
|
Term
| NTP - Network Time Protocol |
|
Definition
| Application Layer, Automatically synchronize clocks |
|
|
Term
| RCP - Remote Communication Protocols |
|
Definition
| Application Layer, Telnet - Telecommunication Network, UNENCRYPTED! |
|
|
Term
|
Definition
| Application Layer, Encrypted Communication Link |
|
|
Term
| FTP - File Transfer Protocol |
|
Definition
| Application Layer, transfer files between systems, Authenticates with username and password functions: list, add, delete, etc. |
|
|
Term
| TFTP - Trivial File Transfer Protocol |
|
Definition
| Application Layer, simple file transfer, NO AUTHENTICATION! |
|
|
Term
| SMTP - Simple Mail Transfer Protocol |
|
Definition
| *Application Layer, Used often for sending email, Transferring between mail servers |
|
|
Term
| POP3 - Post Office Protocol version 3 |
|
Definition
| Application Layer, Receive mail, intermittent connectivity |
|
|
Term
| IMAP4 - Internet Message Access Protocol v4 |
|
Definition
| *Application Layer, Flexibility in connectivity, read, replied, deleted |
|
|
Term
| HTTP - Hypertext Transfer Protocol |
|
Definition
| Application Layer, Browser Application Protocol |
|
|
Term
| HTTPS - Hypertext Transfer Protocol Secure |
|
Definition
*Application Layer *Browser Protocol
Encryption though TLS/SSL) |
|
|
Term
| SIP - Session Initiation Protocol |
|
Definition
| *Application Layer *Voice over IP (VoIP) Protocol, VoIP signalling protocol |
|
|
Term
| RTP - Real Time Transfer Protocol |
|
Definition
*Application Layer * VoIP Protocols
carries the media stream) |
|
|
Term
| ARP - Address Resolution Protocol |
|
Definition
| IP Address to MAC address |
|
|
Term
|
Definition
*Network Layer
32 bit (four byte) addresses |
|
|
Term
|
Definition
*Network Layer
128 bit Addresses
(more routing, security, efficiency) |
|
|
Term
| ICMP - Internet Control Message Protocol |
|
Definition
*Network Layer
Echo request, Echo reply - PING |
|
|
Term
| IGMP - Internet Group Management Protocol |
|
Definition
*Network Layer
Manages membership of multicast groups, Improves efficiency and bandwidth usage |
|
|
Term
| UDP - User Datagram Protocol |
|
Definition
*Transport Layer
Connectionless, Unreliable, NO reordering of data or NO retransmissions -PORTS 53- |
|
|
Term
| TCP - Transmission Control Protocol |
|
Definition
*Transport Layer
Connection oriented, manage out-of-order messages or retransmissions -PORT 80- |
|
|
Term
| IMAP4 - Internet Message Access Protocol |
|
Definition
|
|
Term
| HTTPS - Hypertext Transfer Protocol Secure |
|
Definition
|
|
Term
| POP3 - Post Office Protocol |
|
Definition
|
|
Term
| HTTP - Hypertext Transfer Protocol |
|
Definition
|
|
Term
| SMTP - Simple Mail Transfer Protocol |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| FTP - File Transfer Protocol |
|
Definition
PORT tcp control 21
PORT tcp data 20 |
|
|
Term
| DNS - Domain Name Services |
|
Definition
|
|
Term
| BOOTP/DHCP - Bootstrap Protocol/Dynamic Host Configuration Protocol |
|
Definition
|
|
Term
| TFTP - Trivial File Transfer Protocol |
|
Definition
|
|
Term
| NTP - Network Time Protocol |
|
Definition
|
|
Term
| SNMP - Simple Network Management Protocol |
|
Definition
|
|
Term
| SNAT - Secure Network Address Translation |
|
Definition
| address translation in which each private IP address is correlated with its own Internet-recognized IP address |
|
|
Term
| DNAT - Destination Network Address Translation |
|
Definition
| Allow access to internal devices from external Internet addresses |
|
|
Term
| APIPA - Assigned through Automatic Private IP addresses |
|
Definition
| Automatically assigns the computer network interface an IP address 164.254.0.0 to 169.254.255.255 |
|
|
Term
| OSPF - Open Shortest Path First |
|
Definition
| IPv4, IPv6 Routing Protocol |
|
|
Term
| IS-IS - Intermediate System to Intermediate System |
|
Definition
IPv4, IPv6 Routing Protocol
very large provider network |
|
|
Term
Distance-Vector Routing Protocol
-RIP, RIPv2- |
|
Definition
Routing Information Protocol
Network address, number of hops |
|
|
Term
Distance-vector Routing Protocol
-BGP- |
|
Definition
Border Gateway Protocol
The care routing protocol used by Internet Service Providers |
|
|
Term
| EIGRP - Enhanced Interior Gateway Routing Protocol |
|
Definition
Hybrid Routing Protocol
fast convergence time and a low network overhead, supports multiple protocols and limiting unnecessary network traffic between routers. |
|
|
Term
| What kind of routing protocol is RIP(Routing Information Protocol)? |
|
Definition
| Distance Vector Routing Protocol |
|
|
Term
| What is an example of a Link state routing protocol? |
|
Definition
OSPF(Open Shortest Path First) or
IS-IS (Intermediate System to Intermediate System) |
|
|
Term
| What is Cisco's proprietary routing protocol? |
|
Definition
| EIGRP(Enhanced Interior Gateway Routing Protocol |
|
|
Term
|
Definition
| Independent, Group of IP routes under common control |
|
|
Term
| IGP - Interior Gateway Protocol |
|
Definition
used
OSPF - Open Shortest First
IS-IS-Intermediate System to Intermediate System
RIP-Routing Information Protocol
RIPv2
EIGRP-Enhanced Interior Gateway Routing Protocol |
|
|
Term
|
Definition
Automatic
RIP, RIPv2, EIGRP, OSPF |
|
|
Term
|
Definition
|
|
Term
|
Definition
Application
Presentation
Session
Transfer
Network
Data Link
Physical |
|
|
Term
| Give an example of an IGP (Interior Gateway Protocol) |
|
Definition
| RIP, RIPv2, EIGP, OSPF, IS-IS |
|
|
Term
| Which routing method automatically determines the correct rout, Dynamic or Static? |
|
Definition
|
|
Term
| What routing metric determines which interface a packet should take to reach its destination? |
|
Definition
|
|
Term
Wireless Communication Standards
802.11a |
|
Definition
|
|
Term
| What is the most secure method of encrypting wireless communication? |
|
Definition
| WPA/WPA2 (WI-FI Protected Access) |
|
|
Term
|
Definition
1 megabit per sec
100 megabits per sec |
|
|
Term
| Twisted pair copper cable |
|
Definition
Cat 3 - 10 Megabits per sec
Cat 5 - 100 Megabits per sec
Cat 5e - 1 gigabit per sec/1.000 megabits
Cat 6 - 10 gigabit per sec |
|
|
Term
|
Definition
|
|
Term
| Fastest possible network transmission speed cable? |
|
Definition
|
|
Term
| Allows simultaneous communication in both directions? |
|
Definition
|
|
Term
| Zero noise cable and high-security? |
|
Definition
|
|
Term
|
Definition
| Heating and air conditioning space |
|
|
Term
|
Definition
|
|
Term
| What twisted pair cabling type provides additional protection against interference? |
|
Definition
| STP - Shield Twisted Pair |
|
|
Term
| Which fiber type is designed for long distance communication? |
|
Definition
|
|
Term
| Which connector is most commonly seen in networking today? |
|
Definition
|
|
Term
| What kind of physical network topology is used in 802.11 wireless network? |
|
Definition
|
|
Term
| Which cable type allows you to directly connect Ethernet devices? |
|
Definition
|
|
Term
| What troubleshooting cable type will redirect outgoing traffic back into to the computer? |
|
Definition
|
|
Term
| Which wiring standards provides a uniform method for connecting serial devices? |
|
Definition
| The rollover or Yost standard |
|
|
Term
|
Definition
Established between endpoints
Nobody can use when idle
Connection always available |
|
|
Term
|
Definition
POST - Plain Old Telephone Service
PSTN - Public Switching Telephone Network |
|
|
Term
|
Definition
| Integrated Service Digital Network |
|
|
Term
| BRI - Basic Rate Interface |
|
Definition
Two 64 Kbit/s B channels
One 16 Kbit/s D channels |
|
|
Term
|
Definition
|
|
Term
| What does PSTN stand for? |
|
Definition
| Public Switched Telephone Network |
|
|
Term
| How many channels of a T1 carry traffic? |
|
Definition
|
|
Term
| Which circuit switched WAN technology are often associated with coaxial cables? |
|
Definition
|
|
Term
| SONET - Synchronous Optical Networking |
|
Definition
| transport protocol for multiplexing, different data streams over same fiber |
|
|
Term
| ATM - Asynchronous Transfer Mode |
|
Definition
| 53 byte "cells" 622 Mbps bandwith |
|
|
Term
| OC-X - Optical Carrier Levels |
|
Definition
OC - 1 - 51,840 Kbps
OC- 3 -155,520 Kbps
OC - 12 - 622,080 Kbps
OC - 48 - 2,488,320 Kbps |
|
|
Term
| ADSL - Asymmetric Digital Subscriber Line |
|
Definition
| uses phone lines, faster download, speed, 24 Mbit/s downstream, 3,5 Mbit/s upstream |
|
|
Term
| SDSL - Symmetric Digital Subscriber Line |
|
Definition
|
|
Term
| VSDL - Very High Bitrate DSL |
|
Definition
|
|
Term
|
Definition
*Packet switching
Cost effective WAN types
LAN traffic is encapsulated |
|
|
Term
| MPLS - Multiprotocol Label Switching |
|
Definition
| "Labels" are "pushed" onto network |
|
|
Term
| What does the "A" in ADSL stand for? |
|
Definition
|
|
Term
| Which WAN transport is usually associated with the ATM protocol? |
|
Definition
| SONET - Synchronous Optical Networking |
|
|
Term
| What standard do cable modem data service use? |
|
Definition
| DOCSIS - Data Over Cable Service Interface Specification |
|
|
Term
| CSMA/CD - Collision Sense Multiple Access/Collision Detection |
|
Definition
Detects activity and reacts
Collision - two stations talking at once |
|
|
Term
|
Definition
*LAN
A single frame destined for devices on the subnet |
|
|
Term
| What network control protocol does half-duplex Ethernet use? |
|
Definition
CSMA/CD
with full-duplex there is no collision - CAT5 |
|
|
Term
| What logical network type allows the transport of private information through a public network? |
|
Definition
| VPN - Virtual Private Network |
|
|
Term
| What is a common way to logically connect devices onto the same subnet across geographical distances? |
|
Definition
|
|
Term
| MDF - Main Distribution Frame |
|
Definition
| The "core" of the network |
|
|
Term
| IDF - Intermediate Distribution Frame |
|
Definition
| The end user connectivity |
|
|
Term
| 66 Block - Punch-down block |
|
Definition
|
|
Term
| What part of the signal distribution frame is closest to the end users? |
|
Definition
| IDF - Intermediate Distribution Frame |
|
|
Term
| What two punch-down blocks are most often used? |
|
Definition
|
|
Term
| What is the name of the location where the local exchange carrier delivers a network connection? |
|
Definition
| Demarc - demarcation point or MPOE (minimum point of entry) |
|
|
Term
|
Definition
Modulator/Demodulator
(converts analog sounds to digital signals) |
|
|
Term
|
Definition
| Gateways, Proxy servers, Firewalls |
|
|
Term
|
Definition
| Routers, Layers 3 switches |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| What OSI Layer 3 device connects different IP subnets? |
|
Definition
|
|
Term
| What device automatically assigns IP addresses? |
|
Definition
DHCP - Dynamic Host Configuration Protocol
Server |
|
|
Term
| What OSI Layer 1 device retransmits a network signal? |
|
Definition
|
|
Term
|
Definition
IDS - Intrusion Detection System
IPS - Intrusion Prevention System
Detection - Alarm or alert
Prevention - stop before it gets into the network |
|
|
Term
|
Definition
| Distributed the load over many servers |
|
|
Term
|
Definition
A method of Balancing
Load Balancer: flp, http, https, http/cgl |
|
|
Term
|
Definition
Data Link - Switch
Network - Router
Transport - Firewall, IDS/IPS |
|
|
Term
|
Definition
Domain Name System Server
(Converts names to IP address and vice-versa) |
|
|
Term
|
Definition
| Traffic shaping, packet shaping, Manage the quality of server |
|
|
Term
|
Definition
Sits between the users and the external network
Receives the user request and sents on their behalf |
|
|
Term
|
Definition
Channel Service/Data Service Unit
(Used to connect routers to a WAN Link) |
|
|
Term
| What devices can identify and/or stop security intrusions? |
|
Definition
IDS - Intrusion Detection System
IPS - Intrusion Prevention System |
|
|
Term
| What does a content switch do? |
|
Definition
| Distributes a network load based on the content of the packet |
|
|
Term
| What service receives user request and sends the request on their behalf? |
|
Definition
|
|
Term
|
Definition
Refers to the physical switch port
MAC address restriction
802.1x authentication |
|
|
Term
| Which protocol is used to manage bridged topologies? |
|
Definition
STP - Spanning Tree Protocol
RSTP - Rapid Spanning Tree Protocol |
|
|
Term
| What feature can be enabled in a switch to facilitate protocol analysis? |
|
Definition
|
|
Term
| WHat two authentication services are often used in 802.1x port authentication? |
|
Definition
RADIUS - Remote Authentication Dial In Use Service
TACACS - Terminal Access Controller Access Control System |
|
|
Term
| What encryption should be used for all 802.11 wireless networks? |
|
Definition
|
|
Term
| Which three wireless channels can be without overlap? |
|
Definition
|
|
Term
| What feature can be disabled to hide the name of an access point? |
|
Definition
| ESSID - Extended Service Set Indetification |
|
|
Term
| Application Layer functions |
|
Definition
The layer we see (pic)
HTTP, FTP, DNS, POP3 |
|
|
Term
| Presentation Layer functions |
|
Definition
Character encoding
Application encryption
Often combined with the Application Layer |
|
|
Term
|
Definition
Communication Management between devices
Half-duplex, Full-duplex |
|
|
Term
| Transport Layer functions |
|
Definition
TCP - Transport Control Protocol
UDP - User Datagram Protocol |
|
|
Term
|
Definition
The "routing" Layer
Internet Protocol (IP)
Fragments frames to traverse different networks |
|
|
Term
| Data Link Layer functions |
|
Definition
The basic network "language"
Data Link Control (DLC) address
The "switching" Layer |
|
|
Term
|
Definition
Signaling, cabling, connectors
If you have Physical Layer problem, Run Loopback tests
test/replace cables, swab adapter cards |
|
|
Term
| Conversation OSI - Application Layer |
|
Definition
|
|
Term
| Conversation OSI - Presentation Layer |
|
Definition
|
|
Term
| Conversation OSI - Session Layer |
|
Definition
| Link the presentation to the transport |
|
|
Term
| Conversation OSI - Transport Layer |
|
Definition
|
|
Term
| Conversation OSI - Network Layer |
|
Definition
|
|
Term
| Conversation OSI - Data Link Layer |
|
Definition
|
|
Term
| Conversation OSI - Physical Layer |
|
Definition
|
|
Term
| What OSI Layer is responsible for communicating to the end user? |
|
Definition
| Layer 7 - Application Layer |
|
|
Term
| Which OSI Layer represents the electrical signals of the network communication? |
|
Definition
|
|
Term
| Which OSI Layer encrypts application information? |
|
Definition
|
|
Term
|
Definition
Uses ICMP - Internet Control Message Protocol
ICMP Request, ICMP Response |
|
|
Term
|
Definition
Traces the path that your packets take through routers
Uses TTL - time-to-live |
|
|
Term
| What is a good reason for optimizing network performance? |
|
Definition
| Uptime, high bandwidth apps, Latency sensitive apps, VoIP,a and Video |
|
|
Term
| Which technology creates local copies of content to avoid multiple requests over slow (expensive) links? |
|
Definition
|
|
Term
| What technology can prioritize traffic based on application type? |
|
Definition
|
|
Term
| How can you confirm a routing loop? |
|
Definition
|
|
Term
| What do you call a station that provides a MAC address response for an IP address that is not its own? |
|
Definition
|
|
Term
| How can you confirm that a router has a bad route table? |
|
Definition
|
|
Term
Wireless Communication Standards
802.11b |
|
Definition
| 2.4 GHz 11 Mbps 38 meters |
|
|
Term
Wireless Communication Standards
802.11g |
|
Definition
| 2,4 GHz 54 Mbps 100 meters |
|
|
Term
Wireless Communication Standards
802.11n |
|
Definition
| 5 GHz/2.4 GHz 600 Mbps 300 meters |
|
|
Term
|
Definition
Uses:
ICMP(Internet Control Message Protocol)
ICMP Request/Response |
|
|
Term
|
Definition
| Traces the path that your packets take through routers. Uses TTL-time-to-live, ICMP |
|
|
Term
| What is a good reason for optimizing network performance? |
|
Definition
| Uptime, high bandwidth apps, Latency senstive apps, VoIP, and Video |
|
|
Term
| Which technology creates local copies of content to avoid multiple requests over slow (expensive) links? |
|
Definition
|
|
Term
| What technology can prioritize traffic based on application type? |
|
Definition
|
|
Term
| How can you confirm a routing loop? |
|
Definition
|
|
Term
| What do you call a station that provides a MAC address response for an IP address that is not its own? |
|
Definition
|
|
Term
| How can you confirm that a router has a bad route table? |
|
Definition
|
|
Term
|
Definition
Can't filter packets
CAN extend the network distance
Regenerate weak signals |
|
|
Term
|
Definition
Can use the bandwidth more effectively than a repeater when segmenting an Ethernet LAN
Will have a greater latency than repeaters
Use MAC addresses |
|
|
Term
|
Definition
Provide an alarm for unauthorized access attempts
Block a hacker from accessing the network
Restrict a user from accessing an unauthorized site |
|
|
Term
|
Definition
| Windows TCP/IP configuration |
|
|
Term
|
Definition
| Linux interface configuration |
|
|
Term
|
Definition
| is a fundamental TCP/IP protocol |
|
|
Term
|
Definition
| Only operates on a local IP subnet, but works with devices that are fire-walling ICMP |
|
|
Term
|
Definition
| Determine the route a packet takes to a destination |
|
|
Term
|
Definition
| A combination of PING and Traceroute |
|
|
Term
|
Definition
|
|
Term
|
Definition
information from DNS Servers, Windows and POSIX-based
Names and IP addresses from the workstation's perspective of other DNS servers |
|
|
Term
|
Definition
| Local machine information |
|
|
Term
|
Definition
Identify host names, Lookup connections
Displays protocol statistics and current TCP/IP connections |
|
|
Term
| Which command line utility can quesry DNS servers from the workstation's perspective? |
|
Definition
|
|
Term
| Which nifty command line utility combines ping and traceroute? |
|
Definition
|
|
Term
| Which command line utiliy provides TCP/IP interface information on POSIX-based system(UNIX or LINUX)? |
|
Definition
|
|
Term
| What's the best network tool to use for examining raw packets? |
|
Definition
|
|
Term
| Which kind of security scanner will block security attacks on a host devices? |
|
Definition
| Host-based intrusion prevention |
|
|
Term
| What network scanner can find unknown devices and determine which TCP and UDP ports are open? |
|
Definition
|
|
