Question 1

User authentication can be based on_______________

Accepted Answer

A)   the user's possession of something
B)   the user's knowledge of something
C)   an attribute of the user
D)   all of the above B

Question 2

MS Word documents in RTF format are resistant to macro viruses.

Accepted Answer

A) True 
 B)False  True

Question 3

It is much faster for a computer to encode and decode ciphertext by using the usual symmetric algorithms than by using asymmetric algorithms.

Accepted Answer

A) True 
 B)False  True

Question 4

In a symmetric encryption algorithm, one key is used to encrypt and a different one is used to decrypt.

Accepted Answer

A) True 
 B)False

Question 5

How are one-time password systems implemented?

Accepted Answer

The answer of How are one-time password systems implemented?...

Question 6

Vulnerability scans can check:

Accepted Answer

A)   unexpected long-running processes
B)   hidden network daemons
C)   unauthorized programs in system directories
D)   all of the above

Question 7

________________ encrypts the information on the target computer and renders it inaccessible to the owner

Accepted Answer

A)   Spyware
B)   Ransomware
C)   Logic bomb
D)   all of the above

Question 8

A firewall is installed between the trusted and the untrusted.

Accepted Answer

A) True 
 B)False

Question 9

Port scanning allows a hacker to__________________

Accepted Answer

A)   known users' passwords
B)   disrupt legitimate use of a system
C)   detect a system's vulnerabilities
D)   modify a transmission between a remote user and a system

Question 10

To protect the systems we have to ensure security on the following level:

Accepted Answer

A)   physical
B)   network
C)   operating system
D)   all of the above

Question 11

TLS provides security at the _______ layer.

Accepted Answer

A)   network
B)   transport
C)   application
D)   none of the above

Question 12

When a user logs on, MW Windows 10 creates a list of files which can be used by the user.

Accepted Answer

A) True 
 B)False

Question 13

Why an asymmetric encryption algorithm uses two keys?

Accepted Answer

The answer of Why an asymmetric encryption algorithm uses two...

Question 14

Transport Layer Security (TLS) employs server's certificate from certification authority (CA).

Accepted Answer

A) True 
 B)False

Question 15

______________ virus changes each time it is installed to avoid detection by antivirus software.

Accepted Answer

A)   A polymorphic
B)   A source code
C)   An encrypted
D)   A macro

Question 16

Describe the idea of masquerading attack.

Accepted Answer

The answer of Describe the idea of masquerading attack....

Question 17

What does a security policy include?

Accepted Answer

The answer of What does a security policy include?...

Question 18

The attack surface is the set of points at which an attacker can try to break into the system.

Accepted Answer

A) True 
 B)False

Question 19

What is the reason to use a stream cipher?

Accepted Answer

The answer of What is the reason to use a...

Question 20

Describe the problem of a buffer overflow.

Accepted Answer

The answer of Describe the problem of a buffer overflow....

Exam 16: Security

User authentication can be based on_______________

MS Word documents in RTF format are resistant to macro viruses.

It is much faster for a computer to encode and decode ciphertext by using the usual symmetric algorithms than by using asymmetric algorithms.

In a symmetric encryption algorithm, one key is used to encrypt and a different one is used to decrypt.

How are one-time password systems implemented?

Vulnerability scans can check:

________________ encrypts the information on the target computer and renders it inaccessible to the owner

A firewall is installed between the trusted and the untrusted.

Port scanning allows a hacker to__________________

To protect the systems we have to ensure security on the following level:

TLS provides security at the _______ layer.

When a user logs on, MW Windows 10 creates a list of files which can be used by the user.

Why an asymmetric encryption algorithm uses two keys?

Transport Layer Security (TLS) employs server's certificate from certification authority (CA).

______________ virus changes each time it is installed to avoid detection by antivirus software.

Describe the idea of masquerading attack.

What does a security policy include?

The attack surface is the set of points at which an attacker can try to break into the system.

What is the reason to use a stream cipher?

Describe the problem of a buffer overflow.