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Network+ (N10-005) Lesson 15
Network Troubleshooting
34
Computer Networking
Professional
07/24/2013

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Term
Troubleshooting
Definition
____ is the recognition, diagnosis, and resolution of problems.
Term
troubleshooting model
Definition
A ____ is a standardized step-by-step approach to the troubleshooting process.
Term
IPCONFIG
Definition
_____ command is used to verify if a host IP addressing information is correct on a Windows systems.
Term
IFCONFIG
Definition
_____ command is used to verify if a host IP addressing information is correct on a UNIX systems.
Term
PING
Definition
_____ is the initial uitility used to diagnose general connectivity problems.
Term
Traceroute
Definition
____ is the utility used on UNIX and Linux systems to determine where the communications fails. The command is issued from the local machine and used to see how far the trace gets before you receive an error message.
Term
Tracert
Definition
____ is the utility used on Windows systems to determine where the communications fails. The command is issued from the local machine and used to see how far the trace gets before you receive an error message.
Term
ARP
Definition
The ___ utility is used to locate a node's hardware address. It enables an administrator to view the ARP cache and add or delete cache entries.
Term
ARP cache
Definition
The ____ is a table used for maintaining the correlation between each MAC address and its corresponding IP address.
Term
NBTSTAT
Definition
____ is a Windows utility that is used to view and manage NetBIOS over TCP/IP (NetBT) status information. It can display NetBIOS name tables for both the local computer and remote computers, and also the NetBIOS name cache.
Term
NETSTAT
Definition
The ____ utility shows the status of each active network connection. NETSTAT will display statistics for both TCP and UDP, including protocol, local address, foreign address, and the TCP connection state.
Term
nslookup
Definition
The ____ utility is used to test and troubleshoot domain name servers.
Term
Domain Internet Groper (DIG)
Definition
____ is a UNIX/Linux command-line tool that can be used to display name server information.
Term
System and Network Integrated Polling Software (SNIPS)
Definition
____ is a system and network monitoring software tool that runs on UNIX systems. It offers both a command-line and web interfaces to monitor network and system devices.
Term
wire crimper
Definition
A ____ is a tool that attaches media connectors to the ends of cables.
Term
cable stripper
Definition
A ____ cable stripper is often part of a wire crimper, allowing the user to strip wires of their protective coating.
Term
punch down block
Definition
A ____ can be used to connect one group of telephone and network wires with another group in utility or telecommunication closets.
Term
punch down tool
Definition
A ____ is used in a wiring closet to connect cable wires directly to a patch panel.
Term
circuit tester
Definition
A ____ is an electrical instrument that is used for testing whether or not current is passing through the circuit.
Term
multimeter
Definition
A ____, also known as a volt/ohm meter, is an electronic measuring instrument that takes electrical measurements such as voltage, current, and resistance.
Term
voltmeter
Definition
A ____ measures voltage and resistance between two points in a circuit.
Term
cable tester
Definition
A ____, also called a media tester, is an electrical instrument that verifies if a signal is transmitted by a cable.
Term
cable certifier
Definition
A ____ is a type of certifier that allows you to perform tests, such as cable testing and validity testing. It can detect shorts, crosstalk on a cable, test for the cable type and whether a cable is straight-through or crossover, and check if the NIC is functioning and at what speed: half or full duplex.
Term
crossover cable
Definition
A ____ is a special network cable used in Ethernet UTP installations, which enable you to connect devices without using a hub or a switch. In it, the transmit and receive lines are crossed to make them work like a loopback.
Term
hardware loopback plug
Definition
A ____ is a special connector used for diagnosing transmission problems such as redirecting electrical signals back to the transmitting system. It plugs into a port and crosses over the transmit and receive lines.
Term
Time-Domain Reflectometer (TDR)
Definition
____ is a measuring tool that transmits an electrical pulse on a cable and measures the reflected signal. It the returned signal, and based on the signal's condition and its rate of return, it checks the time span and determines cable problems.
Term
tone generator
Definition
A ___ is a device that sends an electrical signal through one pair of UTP wires.
Term
tone locator
Definition
A ____ or a tone probe is a device that emits an audible tone when it detects a signal in a pair of wires. Used in conjunction with tone generator it helps locates voice, audio, and video cabling on a network.
Term
Environment monitors
Definition
____ are hardware tools that ensure that environmental conditions do not spike or plummet temperature above or below equipment specifications.
Term
butt set
Definition
A ____, also known as a lineman's test set, is a special type of telephone handset used by telecom technicians when installing and testing local lines. It is called such because the technician “butts” into telephone lines to detect issues.
Term
network analyzer
Definition
A ____, also known as a packet or protocol analyzer, or a packet sniffer, is a software or hardware tool that integrates diagnostic and reporting capabilities to provide a comprehensive view of an organization's network.
Term
demarc
Definition
A ____ is a demarcation point where a building's wiring ends and the telephone company's wiring begins.
Term
smart jack
Definition
A ____ is a device that serves as the demarcation point between the end user's inside wiring and local access carriers' facilities.
Term
spectrum analyzer
Definition
A ____ is an instrument that displays the variation of signal strength against the frequency.
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