Question 1

Mobile code is another name for ________.

Accepted Answer

A) virus 
B) worm 
C) both A and B 
D) neither A nor B 
A) virus 
B) worm 
C) both A and B 
D) neither A nor B

Question 2

Which of the following is a propagation vector for some worms?

Accepted Answer

A) e-mail 
B) direct propagation 
C) both A and B 
D) neither A nor B 
A) e-mail 
B) direct propagation 
C) both A and B 
D) neither A nor B

Question 3

Electronic signatures provide message-by-message ________.

Accepted Answer

A) authentication 
B) confidentiality 
C) both A and B 
D) neither A nor B 
A) authentication 
B) confidentiality 
C) both A and B 
D) neither A nor B

Question 4

In symmetric key encryption,a key must be ________ bits long or longer to be considered strong.(Choose the choice closest to the correct answer.)

Accepted Answer

A) 40 
B) 56 
C) 128 
D) 1,024 
A) 40 
B) 56 
C) 128 
D) 1,024

Question 5

Which of the following is a criterion by which biometrics can be judged?

Accepted Answer

A) cost 
B) susceptibility to deception 
C) both A and B 
D) neither A nor B 
A) cost 
B) susceptibility to deception 
C) both A and B 
D) neither A nor B

Question 6

How will an SPI firewall handle a packet containing a TCP FIN segment?

Accepted Answer

A) process it through the ACL 
B) pass it if it is part of an approved connection 
C) both A and B 
D) neither A nor B 
A) process it through the ACL 
B) pass it if it is part of an approved connection 
C) both A and B 
D) neither A nor B

Question 7

The password Velociraptor is adequately strong.

Accepted Answer

A) True 
 B)False

Question 8

Malware programs that masquerade as system files are called ________.

Accepted Answer

A) viruses 
B) scripts 
C) payloads 
D) Trojan horses 
A) viruses 
B) scripts 
C) payloads 
D) Trojan horses

Question 9

Hackers identify possible victim computers by sending ________.

Accepted Answer

A) scouts 
B) probe packets 
C) exploits 
D) Mocking Jays 
A) scouts 
B) probe packets 
C) exploits 
D) Mocking Jays

Question 10

Stateful firewalls are attractive because of their ________.

Accepted Answer

A) high filtering sophistication 
B) ability to filter complex application content 
C) QoS guarantees 
D) low cost 
A) high filtering sophistication 
B) ability to filter complex application content 
C) QoS guarantees 
D) low cost

Question 11

After a break-in,the first step usually is to ________.

Accepted Answer

A) do damage manually 
B) delete log files 
C) create a backdoor 
D) download a hacker toolkit 
A) do damage manually 
B) delete log files 
C) create a backdoor 
D) download a hacker toolkit

Question 12

Trojan horses can get onto computers by ________.

Accepted Answer

A) viruses 
B) hackers 
C) both A and B 
D) neither A nor B 
A) viruses 
B) hackers 
C) both A and B 
D) neither A nor B

Question 13

A password that can be defeated by a hybrid dictionary attack can be adequately long if it ________.

Accepted Answer

A) can only be broken by a brute force-attack 
B) is sufficiently long 
C) begins with a capital letter and ends with a digit (number) 
D) none of the above 
A) can only be broken by a brute force-attack 
B) is sufficiently long 
C) begins with a capital letter and ends with a digit (number) 
D) none of the above

Question 14

The password Velociraptor can be defeated most quickly by a ________.

Accepted Answer

A) dictionary attack 
B) hybrid mode dictionary attack 
C) brute force attack 
D) All of the above could defeat the password equally quickly. 
A) dictionary attack 
B) hybrid mode dictionary attack 
C) brute force attack 
D) All of the above could defeat the password equally quickly.

Question 15

Cyberwar attacks are made by national governments or organized terrorists.

Accepted Answer

A) True 
 B)False

Question 16

When a packet that is part of an ongoing connection arrives at a stateful inspection firewall,the firewall usually ________.

Accepted Answer

A) drops the packet 
B) drops the packet and notifies an administrator 
C) passes the packet 
D) passes the packet, but notifies an administrator 
A) drops the packet 
B) drops the packet and notifies an administrator 
C) passes the packet 
D) passes the packet, but notifies an administrator

Question 17

Vulnerabilities are occasionally found in even the best security products.Consequently,companies must ________.

Accepted Answer

A) have comprehensive security 
B) have defense in depth 
C) do risk analysis 
D) only give minimum permissions 
A) have comprehensive security 
B) have defense in depth 
C) do risk analysis 
D) only give minimum permissions

Question 18

Identity theft is stealing credit card numbers,in order to make unauthorized purchases.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following can spread more rapidly?

Accepted Answer

A) directly-propagating viruses 
B) directly-propagating worms 
C) Both of the above can spread with approximately equal speed. 
A) directly-propagating viruses 
B) directly-propagating worms 
C) Both of the above can spread with approximately equal speed.

Question 20

Using encryption,you make it impossible for attackers to read your messages even if they intercept them.This is ________.

Accepted Answer

A) authentication 
B) confidentiality 
C) both A and B 
D) neither A nor B 
A) authentication 
B) confidentiality 
C) both A and B 
D) neither A nor B

Mobile code is another name for ________.

Which of the following is a propagation vector for some worms?

Electronic signatures provide message-by-message ________.

In symmetric key encryption,a key must be ________ bits long or longer to be considered strong.(Choose the choice closest to the correct answer.)

Which of the following is a criterion by which biometrics can be judged?

How will an SPI firewall handle a packet containing a TCP FIN segment?

The password Velociraptor is adequately strong.

Malware programs that masquerade as system files are called ________.

Hackers identify possible victim computers by sending ________.

Stateful firewalls are attractive because of their ________.

After a break-in,the first step usually is to ________.

Trojan horses can get onto computers by ________.

A password that can be defeated by a hybrid dictionary attack can be adequately long if it ________.

The password Velociraptor can be defeated most quickly by a ________.

Cyberwar attacks are made by national governments or organized terrorists.

When a packet that is part of an ongoing connection arrives at a stateful inspection firewall,the firewall usually ________.

Vulnerabilities are occasionally found in even the best security products.Consequently,companies must ________.

Identity theft is stealing credit card numbers,in order to make unauthorized purchases.

Which of the following can spread more rapidly?

Using encryption,you make it impossible for attackers to read your messages even if they intercept them.This is ________.

Welcome to the Cloud

Network Standards

Network Management

Wired Ethernet Lans

Wireless Lans I

Wireless Lans 2

Tcpip Internetworking I

Tcpip Internetworking 2

Wide Area Networks

Networked Applications

Module a More on Tcp

Module B More on Modulation

Module C More on Telecommunications

Module D Directory Servers

Filters

Exam 3: Network Security

Mobile code is another name for ________.

Which of the following is a propagation vector for some worms?

Electronic signatures provide message-by-message ________.

In symmetric key encryption,a key must be ________ bits long or longer to be considered strong.(Choose the choice closest to the correct answer.)

Which of the following is a criterion by which biometrics can be judged?

How will an SPI firewall handle a packet containing a TCP FIN segment?

The password Velociraptor is adequately strong.

Malware programs that masquerade as system files are called ________.

Hackers identify possible victim computers by sending ________.

Stateful firewalls are attractive because of their ________.

After a break-in,the first step usually is to ________.

Trojan horses can get onto computers by ________.

A password that can be defeated by a hybrid dictionary attack can be adequately long if it ________.

The password Velociraptor can be defeated most quickly by a ________.

Cyberwar attacks are made by national governments or organized terrorists.

When a packet that is part of an ongoing connection arrives at a stateful inspection firewall,the firewall usually ________.

Vulnerabilities are occasionally found in even the best security products.Consequently,companies must ________.

Identity theft is stealing credit card numbers,in order to make unauthorized purchases.

Which of the following can spread more rapidly?

Using encryption,you make it impossible for attackers to read your messages even if they intercept them.This is ________.

Welcome to the Cloud

Network Standards

Network Management

Wired Ethernet Lans

Wireless Lans I

Wireless Lans 2

Tcpip Internetworking I

Tcpip Internetworking 2

Wide Area Networks

Networked Applications

Module a More on Tcp

Module B More on Modulation

Module C More on Telecommunications

Module D Directory Servers

Filters