Chapter 3- Explaining Network Technologies and Tools

Question 1

Sniffing Attack

Answer 1

Attackers often use a protocol analyzer to captive data sent over a network. After capturing the data, attackers can easily read data within the protocol analyzer when it has been sent in clear text

Question 2

Denial of Service

Answer 2

Attack is a service attack from a single source that attempts to disrupt the services provided by another system.

Question 3

Distributed DOS

Answer 3

Attacks include multiple computers attacking a single target

Question 4

Poisoning attack

Answer 4

Many protocols store data in cache for temporary access. Poisoning attacks attempt to corrupt the cache with different data

Question 5

ARP Poisoning

Answer 5

Use ARP protocol to give clients false hardware address updates and attackers use it to redirect or interrupt network traffic.

Question 6

SMTP

Answer 6

Simple Mail Transfer protocols transfer email between clients and SMTP servers

Question 7

POP3 Post Office Protocol 3

Answer 7

A protocol used to transfer email from mail severs to clients

Question 8

IMAP4 Internet Message Access Protocol

Answer 8

Used to store email on an email server

Question 9

Kerberos

Answer 9

Kerberos is the authentication protocol used in Windows domains and some unix environments.

Question 10

LDAP

Answer 10

The protocol used to communicate with directories such as ADDS

Question 11

DNS poisoning

Answer 11

When successful, attackers modify the DNS cache with a bogus IP address

Question 12

DNSSEC

Answer 12

A suite of extensions to DNS that provides validation for DNS responses