Network+ Chapter 18 Flashcards Preview

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Flashcards in Network+ Chapter 18 Deck (10):
1

What is the purpose of a packet sniffer or network analyzers? pg 672

Its to collect and analyze each individual packet that is captured on a specific network segment to determine problems(Bottlenecks,Security Breaches)

2

What are three different types of network scanners?


p. 673

Packet sniffers
Intrusion detection system/ intrusion prevention system (IDS/ IPS) software
Port scanners

3

An ______detects unwanted attempts to manipulate network environments, and an______is a computer-security device that monitors system activities for any strange or malicious behavior.

p. 675

IDS and IPS

(Intrusion Detection and Prevention Software)

4

A_______________ is a software tool designed to search a host for open ports.
p. 677

port scanner

5

define port sweeping?

pg 677

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

6

what should you do to your network(servers,routers) to prevent hackers from getting into your network?
pg 677

turn off any unused services on your servers and routers and to run only the minimum services required on every host machine in your network.

7

T or F Never use the tools I'm telling you about on computers belonging to any businesses or government agencies without their permission.

p. 677

True

8

Define a Wi Fi Analyzer?
pg 680

Wi-Fi analyzers can find the channels in use, the amount of clients and bandwidth used, top talkers, and more.

9

True or False
Wi-Fi analyzers identify networks by passively collecting packets and detecting standard named networks, detecting , hidden networks, and inferring the presence of nonbeaconing networks via data traffic.

pg 680

true

10

What is the most popular form of TCP Scanning?
p. 677

SYN scan