Network+ Chapter 18

Question 1

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

Answer 1

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

Question 2

What are three different types of network scanners?

p. 673

Answer 2

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

Question 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

Answer 3

IDS and IPS

Intrusion Detection and Prevention Software

Question 4

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

Answer 4

port scanner

Question 5

define port sweeping?

pg 677

Answer 5

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

Question 6

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

Answer 6

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.

Question 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

Answer 7

True

Question 8

Define a Wi Fi Analyzer?

pg 680

Answer 8

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

Question 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

Answer 9

true

Question 10

What is the most popular form of TCP Scanning?

p. 677

Answer 10

SYN scan