Troubleshooting Tools Flashcards

(58 cards)

1
Q

What are Snips and Cutters used for?

A

Used to cut cables from a larger spool or bundle

Snips and cutters are essential tools for preparing cables for installation.

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2
Q

What is the function of Cable Strippers?

A

Remove outer jacket and insulation from cables for connector attachment

This is crucial for ensuring proper connectivity.

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3
Q

What do Cable Crimpers do?

A

Attach connectors to cable ends

They ensure that the cable can be connected to other devices.

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4
Q

What is the purpose of Cable Testers?

A

Verify continuity and proper pinouts of cables, ensuring no breaks

They are essential for troubleshooting cable issues.

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5
Q

What does a Multitester support?

A

Supports various cables and connectors for testing

It is a versatile tool for electrical measurements.

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6
Q

What do Wire Maps diagnose?

A

Diagnose issues in twisted pair Ethernet cables

They help identify connection problems within the cabling.

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7
Q

What is an Open Pair?

A

Occurs when one or more conductors in the pair are not connected on one of the pins at either end of the cable

This can lead to network connectivity issues.

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8
Q

What is a Shorted Pair?

A

Occurs when conductors of a wire pair are connected to each other at any location within the cable

This creates a fault that affects signal transmission.

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9
Q

What does a Cable Certifier do?

A

Determine cable category, data throughput, length, and other characteristics

This is important for ensuring cables meet performance standards.

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10
Q

What is the function of Multimeters?

A

Check voltage, amperage, and resistance of copper cables

They are essential for diagnosing electrical issues.

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11
Q

What do Punchdown Tools do?

A

Terminate wires on punchdown blocks and strip excess insulation

They are critical for setting up structured cabling systems.

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12
Q

What do Tone Generators/Toner Probes do?

A

Generate tones on one end of a connection for cable tracing

They help locate cables in walls or ceilings.

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13
Q

What is the purpose of Loopback Adapters?

A

Create a loopback for testing connectivity using transmit and receive pairs

They are used to test the functionality of network interfaces.

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14
Q

What do Time Domain Reflectometers (TDR) locate?

A

Locate breaks in copper cables and estimate distance to the break

This is important for maintaining cable integrity.

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15
Q

What is the function of Optical Time Domain Reflectometers (OTDR)?

A

Locate breaks in fiber optic cables and measure loss

They are essential for troubleshooting fiber optic networks.

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16
Q

What do Fiber Light Meters measure?

A

Measure attenuation in fiber optic cables

They help assess the quality of fiber optic connections.

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17
Q

What do Fusion Splicers do?

A

Permanently join two fiber optic cables together

They are used in fiber optic installations.

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18
Q

What is the purpose of TAPs?

A

Copy or split packets for analysis, security, or network management

They help in monitoring network traffic.

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19
Q

What do Spectrum Analyzers measure?

A

Measure signal amplitude and frequency variation within a spectrum

They are used to analyze the quality of signals.

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20
Q

What are Wi-Fi Analyzers used for?

A

Conduct wireless surveys to ensure proper coverage

They help optimize wireless network performance.

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21
Q

What is the function of Protocol Analyzers?

A

Used to capture and analyze signals and data traffic over a communication channel

They are essential for network diagnostics.

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22
Q

What do Bandwidth Speed Testing Tools measure?

A

Measure real-world throughput across a network

They help assess network performance.

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23
Q

What do Port Scanners determine?

A

Which ports are open on a network

They are used for security assessments.

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24
Q

What do NetFlow Analyzers do?

A

Monitor, troubleshoot, and analyze traffic flow data

They help in capacity planning and resource optimization.

25
What is the purpose of IP Scanners?
Search for and detect IP addresses and devices on a network ## Footnote They assist in network management.
26
What does the ipconfig command do?
Displays TCP/IP network configuration values and refreshes DHCP and DNS settings for Windows client servers ## Footnote It is a fundamental tool for network configuration.
27
What is the function of ifconfig?
Displays and configures IP address information in Unix, Linux, and OS X ## Footnote It is similar to ipconfig in Windows.
28
What does the `ping` command check?
Connectivity between two devices ## Footnote It is commonly used in network troubleshooting.
29
What does traceroute display?
The path between your device and its destination, showing source and destination IP addresses for each hop ## Footnote It helps identify routing issues.
30
What is the purpose of nslookup?
Query the Domain Name System (DNS) for mapping domain names to IP addresses or other DNS records ## Footnote It is essential for DNS troubleshooting.
31
What does the arp command do?
Displays and modifies entries in the arp cache ## Footnote It is used to manage IP to MAC address mappings.
32
What does netstat display?
Information for IP based connections on a client, including current sessions and source/destination IPs ## Footnote It is useful for monitoring network activity.
33
What is tcpdump?
Command line tool for displaying TCP/IP and other packets on a network ## Footnote It is widely used for network packet analysis.
34
What does IPv4 stand for?
IP
35
What does IPv6 stand for?
IP6
36
Name three elements included in IP packet headers.
* Source IP address * Destination IP address * Ports
37
What is the purpose of a PCAP file?
To be loaded into Wireshark for graphical analysis or tcpdump for text-based analysis
38
What is nmap used for?
To discover hosts and services on a computer network
39
List three features of nmap.
* Host discovery * Service detection * Operating system detection
40
What are two common usages of nmap?
* Port scanning * IP scanning
41
What does the term 'Network Platform' refer to?
Routers, switches, and firewalls regardless of brand
42
What command displays interface statistics in Cisco devices?
show interface
43
What does the command 'show config' display?
Current system configuration
44
What command shows routing table information?
show route
45
What is the purpose of the command 'show mac address-table'?
Displays the Mac address table on a Cisco switch
46
What does the command 'show arp' do?
Displays the ARP table on a device
47
What does 'show vlan' configure?
VLAN settings on a switch
48
What is the function of Discovery Protocols?
Simplify the task of understanding and managing various connected devices on network
49
What is LLDP?
Link Layer Discovery Protocol, an open standard protocol defined in IEEE 802.1AB
50
What does Cisco Discovery Protocol (CDP) do?
Facilitates collection of detailed device information in Cisco environments
51
List two key capabilities of LLDP.
* Device identification * Associated ports
52
What is a key role of Discovery Protocols in network management?
Maintaining an accurate and comprehensive inventory of network devices
53
True or False: LLDP is suitable for multi-vendor environments.
True
54
Fill in the blank: CDP is preferred for _______ networks.
Cisco-only
55
What are security considerations when using Discovery Protocols?
Requires careful configuration to avoid network issues and security vulnerabilities
56
What does the command 'show power' display?
Power settings for PoE devices
57
show interface
● Displays interface statistics ● Use `show interface ` for specific interfaces ● Check for interface and line protocol status
58