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Cyber Security FINAL Review Flashcards | StudBud
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Cyber Security FINAL Review
Cyber Security FINAL Review
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1
What is the most common damage caused by virus attacks?
Slowing down networks by the virus traffic
Deleting files
Changing the Windows Registry
Corrupting the operating system
2
__________ is the process to scramble a message or other information so that it cannot be easily read.
Decryption
Cryptography
Keying
Encryption
3
What is cyber stalking?
Only the use of email to stalk a person
Any use of electronic communications to stalk a person
Any use of the Internet to send or post threats
Only use of email to send threats
4
Which utility gives you information about your machine's network configuration?
IPConfig
Tracers
Ping
MyConfig
5
Windows stores passwords using a method called __________.
Authentication
Hashing
None of the above
Kerberos
6
What should you be most careful of when looking for an encryption method to use?
How long the algorithm has been around
Veracity of the vendor's claims
Speed of the algorithm
Complexity of the algorithm
7
What is a computer virus?
Any program that causes harm to your system
Any program that is downloaded to your system without your permission
Any program that can change your Windows Registry
Any program that self-replicates
8
What is spyware?
Only software that monitors what websites you visit
Any software that monitors your system
Only software that logs keystrokes
Any software used to gather intelligence
9
What is malware?
Software that damages your system
Software that has some malicious purpose
Software that is not properly configured for your system
Software that is not functioning properly
10
What is a cookie?
A small file made that contains data and then is stored on the web server
A piece of data that your web browser gathers about you
A piece of data that web servers gather about you
A small file made that contains data and then is stored on your computer
11
__________ is the art to write in or decipher secret code.
Cryptography
Keying
Encryption
Decryption
12
What is the top rule for avoiding Internet fraud?
If it seems too good to be true, it probably is
Only work with people who have verifiable email addresses
Never use your bank account numbers
Don't invest in foreign deals
13
Which of the following is most true regarding certified encryption methods?
There is no such thing as certified encryption
It depends on the source of the certification
It depends on the level of certification
These are the only methods you should use
14
Which of the following is the safest way to send and receive attachments?
Use a code word indicating the attachment is legitimate
Use encryption
Use virus scanners before opening attachments
Only send spreadsheet attachments
15
A DDos attack is a DoS launched from several machines simultaneously.
True
False
16
Which of the following is most true regarding binary operations and encryption?
They can form a part of viable encryption methods
They can provide secure encryption
They are only useful as a teaching method
They are completely useless
17
What is PGP?
Pretty Good Privacy, a public key encryption method
Pretty Good Privacy, a symmetric key encryption method
Pretty Good Protection, a public key encryption method
Pretty Good Protection, a symmetric key encryption method
18
Which of the following most accurately defines encryption?
Changing a message using complex mathematics
Applying keys to a message to conceal it
Changing a message so it can only he easily read by the intended recipient
Using complex mathematics to conceal a message
19
What type of attack is dependent on sending packets too large for the server to handle?
Slammer Attack
DDoS
Smurf Attack
Ping of Death
20
NIC stands for Network interaction connector.
False
True
21
Before you can formulate a defense for a network you need...
a clear picture of the dangers to be defended against
the help of an outside consultant
to receive a virus first
appropriate security certifications
22
Which of the following is the best definition of virus?
Program that self-replicates
Program that causes harm on your computer
Program that slows down networks
Program used in a DoS attack
23
Internet addresses of the form www.google.com are called what?
User-accessible web addresses
Uniform resource locators
Uniform address identifiers
User-friendly web addresses
24
One of the most common and simplest attacks on a system is a Denial of Service.
False
True
25
Using the __________ cipher you choose some number by which to shift each letter of a text.
ASCII
Caesar
Multi-alphabet substitution
DC4
26
Which of the following is a way that any person can use to protect against virus attacks?
Use secure email software
Set up a firewall
Use encrypted transmissions
Never open unknown email attachments
27
Which of the following is not one of the three major classes of threats?
Online auction fraud
A computer virus
Attempts to intrude on the system
Denial of service attacks
28
What is the most common way for a virus to spread?
By coping to shared folders
By downloading from a website
By email attachment
By FTP
29
The simplest device for connecting computers is called what?
Router
NIC
Hub
Interface
30
What is the first step in protecting yourself from identity theft?
Routinely check for spyware on your computer
Routinely check your records for signs of identity theft
Never provide personal data about yourself unless absolutely necessary
Never use your real name on the Internet
31
What is war-driving?
Driving looking for wireless networks to hack
Driving and seeking a computer job
Driving and seeking rival hackers
Driving while using a wireless connection to hack
32
What is the most common threat on the Internet?
Auction Fraud
Illegal Software
Computer Viruses
Hackers
33
With asymmetric cryptography a different __________ is used to encrypt the message and to decrypt the message.
Script
Lock
Key
Code
34
A device used to connect two or more networks is a what?
Router
NIC
Switch
Hub
35
The top rule for chat room safety is what?
Make certain you have antivirus software installed
Never use your real name or any real personally identifying characteristics
Only use chat rooms that encrypt transmissions
Use chat rooms that are sponsored by well-known websites or companies
36
The point where the backbones of the Internet connect is called what?
Routers
Connectors
Switches
Network access points
37
Which attack mentioned in Chapter 4 causes a network to perform a DoS on one of its own servers?
DDoS
SYN Flood
Smurf Attack
Ping of Death
38
With __________ encryption, one key is used to encrypt a message, and another is used to decrypt the message.
Private Key
None of the above
Public Key
Cipher
39
A unique hexadecimal number that identifies your network card is called what?
A NIC ID
A MAC address
A NIC address
A MAC ID
40
Artificially inflating a stock in order to sell it at a higher value is referred to as what?
Bait and switch
Pump and dump
The Nigerian fraud
The Wall Street fraud
41
What is a buffer-overflow attack?
Overflowing a port with too many packets
Putting more email in an email system than it can hold
Overflowing the system
Putting more data in a buffer than it can hold
42
Which of the following reasons most likely made the Bagle virus spread so rapidly?
It copied itself across the internet
It was a sophisticated virus
The email containing it claimed to be from the system administrator
It was particularly virulent
43
Plain text refers to unencrypted text.
True
False
44
A(n) __________ is a mathematical process for doing something.
None of the above
Algorithm
Formula
Cipher
45
A key logger is a type of Virus.
False
True
46
Cipher text refers to encrypted text.
False
True
47
The two basic types of cryptography is asymmetric and symmetric.
False
True
48
Failure to send, to disclose, to deliver, and sending something of lesser value are the 4 categories of auction fraud.
False
True
49
What is the term for hacking a phone system?
Phreaking
Cracking
Hacking
Telo-hacking
50
The most common Internet investment fraud is known as what?
The pump and dump
The Nigerian fraud
The bait and switch
The Manhattan fraud
