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CompTIA Network+ > Chapter 18 - Supplement - Sheet1 > Flashcards

Chapter 18 - Supplement - Sheet1 Flashcards

1
Q

3 Types of tools ‘network scanner’ refers to

A

Packet sniffers, IDS/IPS systems, port scanners

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2
Q

Packet Sniffer

A

Look inside every packet on a network segment.

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3
Q

Network Analyzer

A

When a packet sniffer can also provide network statistics, like network utilization and packet traffic data

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4
Q

Microsoft’s free packet sniffer

A

NetMon

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5
Q

Wireshark

A

Multi-platform packet sniffer

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6
Q

Difference between IDS and IPS

A

Intrusion Detection System versus Intrusion Prevention System. IDS detects unwanted attempts to manipulate network systems / environments. IPS monitors network / system activities for strange / malicious behavior and can react in real time to prevent or block intrusion activities.

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7
Q

Snort

A

One of the most popular IDS/IPS applications available. Multi-platform, open-source

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8
Q

Port Scanners

A

Software tool designed to search a host for open ports

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9
Q

What is a port scan

A

Scan for TCP and UDP open ports on a single target host to legitimately connect or to steal data or manipulate the host

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10
Q

What is port sweeping

A

Scanning multiple hosts on a network for a specific listening TCP or UDP port, like SQL.

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11
Q

Two open-source applications that can be used for port scanner

A

AngryIP, Nmap (Network Mapper)

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12
Q

Loopback Plug

A

Allows for a diagnostic procedure on the host wherein a signal is transmitted and returned to the sending device.

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13
Q

Wire-Map Tester

A

Transmits signals through each wire in a copper twiested-pair cable to dtermine if it’s connected to the correct pin on the other end.

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14
Q

Continuity Testers

A

Checks a copper cable connetion for basic isntallation problems like opens, shorts, and crossed pairs.

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15
Q

Protocol Analyzer

A

Analyzes network traffic (instead of just “sniffing” them) and can help troubleshoot complex problems.

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16
Q

Certifiers

A

AKA Certification Testers. Used to determine whehter your network meets specific ISO or TIA standards (Cat 5e, Cat6, Cat7)

17
Q

TDR

A

Time-domain reflectometer - Tool that finds and escribes faults in metallic cables like twiested pairs and coax. Transmits short rise time pulse along a conductor. If cable is properly terminated, no signal will bounce back. Any impedements to the signal result in the signal bounce-back as well

18
Q

OTDR

A

Optical Time-Domain Reflectometer. Similar to TDR, but for fiber. Can get estimated length, attenuation, and location faults (like breaks)

19
Q

Multimeter

A

AKA multitester. Electronic measuring. Measures voltage, current, and resistance. Used to troubleshoot electrical problems.

20
Q

Toner Probe

A

AKA tone generator, “fox and hound” wire tracer. Simpe copper cable tester. Can detect its signal through a wire’s sheath

21
Q

Butt Set

A

Portable telephone that allows user to test and monitor phone lines

22
Q

Cable Stripper / Snips

A

AKA Crimper. You can make patch cables with these

23
Q

Voltage Event Recorder

A

Records voltage supply, measures distortion, measures power flicker, changes to power supply

24
Q

True/False: An IDS box can find and fix a problem as the attack occurs.

A

FALSE

25
Q

True/False: A TDR is used to test fiber connections.

A

FALSE

26
Q

True/False: An IDS box will report an attack but not fix it.

A

TRUE

27
Q

True/False: An OTDR is used to test fiber connections.

A

TRUE

28
Q

True/False: A network analyzer will see every packet on every segment of your network
at the same time.

A

False - Typically can only see one segment at a time.

29
Q

What type of device determines if a cable meets standards specifications?

A

Cable certifier

30
Q

True/False: It is okay to scan the DoD network servers with a port scanner.

A

False.

31
Q

You need to monitor the temperature of your server room. What device should you use?

A

Temperature monitor

32
Q

You want to monitor your UPS systems and make sure they are functioning correctly.
What device should you use?

A

Voltage event recorder

33
Q

What type of device is used to put an RJ-45 end on a Cat 5e cable?

A

A cable stripper/crimper

CompTIA Network+ (30 decks)

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