What does anti-virus software do?

detects viruses then immediately disinfects your hard drive.

Which statement best describes hash encryption?

an algorithm used to verify the integrity of messages

Ty opened an e-mail attachment and it launch a virus that has taken over of system. What next?

Turn off his computer and reboot from a clean system disk.

r computer crashed, and you lost many personal/work-related files. To prevent on new computer

Update the definitions on your anti-virus application often.

Which statement best describes symmetric-key encryption?

the same key is used to encrypt and decrypt a message

Which statement correctly compares computer viruses and worms?

Virus need action to replicate, worm can replicate by itself

What do encryption applications do to render text unreadable?

Scramble text using mathematical algorithms

You suspect that an attacker has gained control of your computer system

Unplug the computer network cable and/or disable

Secure authentication requires:

a user name, a password, and encryption of this information.

Which of the following is a vital part of any firewall strategy?

The security policies created by firewall administrators

A firewall can perform which task?

Prevent unauthorized access to proprietary data on intranet

Ty opened an e-mail attachment and it launches a virus and has to format drive. How to change?

Perform regular scheduled backup so that he can reload files

You receive a text message on your cell phone from an unknown number and call no answer. Next?

Delete the message without opening the attachment.

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Cybersecurity Review Part 1

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Questions 20

Answers

1
What does anti-virus software do?
detects and warns you if your system is infected
fortifies systems over time by repeated exposure to weak
detects viruses then immediately disinfects your hard drive.
prevents you from opening a program/file sent via e-mail
2
Which statement best describes hash encryption?
key is needed to encrypt data for storage/verify integrity
an algorithm used to verify the integrity of messages
the same key is used to encrypt and decrypt a message
a private & public key are used to encrypt/decrypt a message
3
Ty opened an e-mail attachment and it launch a virus that has taken over of system. What next?
Turn off his computer and reboot from a clean system disk.
Let the virus run and hope that the damage is minimal.
Attach his backup drive and try to back up important files
Call his local authorities to report computer fraud.
4
r computer crashed, and you lost many personal/work-related files. To prevent on new computer
Update the definitions on your anti-virus application often.
Perform regular backups of your hard drive.
Disable your Web browser's automatic security settings
Open e-mail attachments only from unknown senders.
5
Digital signature verifies the identity of the sender & provides integrity. Which does it also?
Signs digital certificate requests
Enforces non-repudiation
Creates digital certificate requests
Provides data confidentiality
6
Which term is used to describe the process that converts data into an unreadable form of text?
Certification
Encryption
Decryption
Authentication
7
Which statement best describes symmetric-key encryption?
algorithm used to verify integrity of transmitted messages
a private and public key used to encrypt & decrypt a message
a key is need to encrypt data for storage & verify integrit
the same key is used to encrypt and decrypt a message
8
Which statement correctly compares computer viruses and worms?
A worm can deposit an illicit server, but a virus cannot.
Virus need action to replicate, worm can replicate by itself
A virus can deposit an illicit server, but a worm cannot.
worm need action to replicate, virus can replicate by itself
9
What do encryption applications do to render text unreadable?
Compress the text so that only abbreviated words remain
Scramble text using mathematical algorithms
Remove all formatting and punctuation from the text
Scramble text using benign viruses
10
You suspect that an attacker has gained control of your computer system
Unplug the computer network cable and/or disable
Shut down the computer.
Run anti-virus software on all disks associated w/ system.
Enable strong encryption on all files on the hard disk.
11
term is used to describe a program that appears to be harmless but is actually harmful
Virus
Trojan
Worm
Firewall
12
Secure authentication requires:
a user name and a password.
a user name, a password, and encryption of this information.
a user name only.
either a user name or a password.
13
Which of the following is a vital part of any firewall strategy?
The inclusion of an FTP server
The inclusion of a Web server
The use of Internet plug-ins that can function thru firewall
The security policies created by firewall administrators
14
This is enabled when no keystrokes/mouse actions have occurred for a period of time.
Automated update
Automated patch
Screen saver
Desktop firewall
15
Best describes a collection of software tools that provide a permanent solution to known bugs
Update
Patch
Firewall
Algorithm
16
A firewall can perform which task?
Prevent unauthorized access to proprietary data on intranet
Read and censor internal e-mail messages
Provide public access to previously controlled information
Increase browser interpretation of HTML
17
What can be use to electronically verify your identity w/o need to provide data confidentiality
digital signature
firewall
Digital certificate
encrypted key
18
Ty opened an e-mail attachment and it launches a virus and has to format drive. How to change?
Printing and then deleting files
Restoring data files from backup on a regular basis
Perform regular scheduled backup so that he can reload files
Following a policy of never opening attachments
19
You receive a text message on your cell phone from an unknown number and call no answer. Next?
Forward the message to your e-mail so you can open it later
Call the phone number of the sender again.
Open the attachment.
Delete the message without opening the attachment.
20
Which of the following can you use to enforce non-repudiation in an electronic data transfer?
Encrypted key
Firewall
Digital Certificate
Digital signature

Cybersecurity Review Part 1 Flashcards | StudBud