Question 1

A NAT proxy server uses an address table to translate private IP addresses used inside the organization into proxy data link layer addressed used on the Internet.

Accepted Answer

A) True 
 B)False

Question 2

Secure Sockets Layer is an encryption standard designed for use on the Web.

Accepted Answer

A) True 
 B)False

Question 3

An intruder uses TCP spoofing to send packets to a target computer requesting certain privileges be granted to some user.

Accepted Answer

A) True 
 B)False

Question 4

DoS attackers generally use fake source IP addresses,making it harder to identify the DoS messages.

Accepted Answer

A) True 
 B)False

Question 5

__________ provide authentication which can legally prove who sent a message over a network.

Accepted Answer

A)  Digital signatures 
B)  DES keys 
C)  Directory keys 
D)  Screen names 
E)  User Ids 
A)  Digital signatures 
B)  DES keys 
C)  Directory keys 
D)  Screen names 
E)  User Ids

Question 6

Crackers are casual hackers with a limited knowledge of computer security.

Accepted Answer

A) True 
 B)False

Question 7

DES is a commonly used symmetric encryption algorithm developed in the mid-1990s by the American government in conjunction with IBM.

Accepted Answer

A) True 
 B)False

Question 8

The CERT at Carnegie Mellon University was established by the U.S.Department of Agriculture in 1988.

Accepted Answer

A) True 
 B)False

Question 9

A(n)____________ examines the source and destination address of every network packet that passes through it.

Accepted Answer

A)  packet level firewall 
B)  mullion server 
C)  ANI system 
D)  IP spoofing system 
E)  application level firewall 
A)  packet level firewall 
B)  mullion server 
C)  ANI system 
D)  IP spoofing system 
E)  application level firewall

Question 10

Threat of intrusion comes from ____________.

Accepted Answer

A)  the government 
B)  crackers 
C)  outside of the organization 
D)  both inside and outside of the organization 
E)  inside of the organization 
A)  the government 
B)  crackers 
C)  outside of the organization 
D)  both inside and outside of the organization 
E)  inside of the organization

Question 11

Security on a network not only means being able to prevent a hacker from breaking into your computer but also includes being able to recover from temporary service problems or from natural disasters.

Accepted Answer

A) True 
 B)False

Question 12

With the passage of HIPAA and the Sarbanes-Oxley Act,more and more regulations are addressing security.

Accepted Answer

A) True 
 B)False

Question 13

Which of the following type of media is least susceptible to eavesdropping?

Accepted Answer

A)  fiber optics 
B)  twisted pair 
C)  microwave 
D)  infrared 
E)  coaxial cable 
A)  fiber optics 
B)  twisted pair 
C)  microwave 
D)  infrared 
E)  coaxial cable

Question 14

Explain how a Trojan horse works.

Accepted Answer

A Trojan horse, in the context of comput

Question 15

Some people think that CERT's posting of security alerts causes more break ins than it prevents.What are the pros and cons of this argument?Do you think CERT should continue to post security holes?

Accepted Answer

The argument that CERT's posting of secu

Question 16

A denial-of-service attack occurs when someone external blocks access to your network.

Accepted Answer

A) True 
 B)False

Question 17

A(n)_________ is a type of application level firewall that is transparent so that no other computer notices that it is on the network.

Accepted Answer

A)  ANI system 
B)  NAT proxy server 
C)  IP spoofing bridge 
D)  packet level firewall 
E)  smart hub 
A)  ANI system 
B)  NAT proxy server 
C)  IP spoofing bridge 
D)  packet level firewall 
E)  smart hub

Question 18

A ____________ is a situation in which a hacker attempts to disrupt the network by sending messages to the network that prevent normal users' messages from being processed.

Accepted Answer

A)  denial-of-service attack 
B)  service level agreement 
C)  virus 
D)  spamming 
E)  scamming 
A)  denial-of-service attack 
B)  service level agreement 
C)  virus 
D)  spamming 
E)  scamming

Question 19

A brute force attack against an encryption system:

Accepted Answer

A)  tries to gain access by trying every possible key 
B)  is called RC4 
C)  is also known as 3DES 
D)  always uses the Rijndael algorithm 
E)  is part of the Advanced Encyrption Standard 
A)  tries to gain access by trying every possible key 
B)  is called RC4 
C)  is also known as 3DES 
D)  always uses the Rijndael algorithm 
E)  is part of the Advanced Encyrption Standard

Question 20

Fault-intolerant servers contain many redundant components to prevent failure.

Accepted Answer

A) True 
 B)False

A NAT proxy server uses an address table to translate private IP addresses used inside the organization into proxy data link layer addressed used on the Internet.

Secure Sockets Layer is an encryption standard designed for use on the Web.

An intruder uses TCP spoofing to send packets to a target computer requesting certain privileges be granted to some user.

DoS attackers generally use fake source IP addresses,making it harder to identify the DoS messages.

__________ provide authentication which can legally prove who sent a message over a network.

Crackers are casual hackers with a limited knowledge of computer security.

DES is a commonly used symmetric encryption algorithm developed in the mid-1990s by the American government in conjunction with IBM.

The CERT at Carnegie Mellon University was established by the U.S.Department of Agriculture in 1988.

A(n)____________ examines the source and destination address of every network packet that passes through it.

Threat of intrusion comes from ____________.

Security on a network not only means being able to prevent a hacker from breaking into your computer but also includes being able to recover from temporary service problems or from natural disasters.

With the passage of HIPAA and the Sarbanes-Oxley Act,more and more regulations are addressing security.

Which of the following type of media is least susceptible to eavesdropping?

Explain how a Trojan horse works.

Some people think that CERT's posting of security alerts causes more break ins than it prevents.What are the pros and cons of this argument?Do you think CERT should continue to post security holes?

A denial-of-service attack occurs when someone external blocks access to your network.

A(n)_________ is a type of application level firewall that is transparent so that no other computer notices that it is on the network.

A ____________ is a situation in which a hacker attempts to disrupt the network by sending messages to the network that prevent normal users' messages from being processed.

A brute force attack against an encryption system:

Fault-intolerant servers contain many redundant components to prevent failure.

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Wired and Wireless LANs

Backbone Networks

Wide Area Networks

The Internet

Network Design

Network Management

Filters

Exam 10: Network Security

A NAT proxy server uses an address table to translate private IP addresses used inside the organization into proxy data link layer addressed used on the Internet.

Secure Sockets Layer is an encryption standard designed for use on the Web.

An intruder uses TCP spoofing to send packets to a target computer requesting certain privileges be granted to some user.

DoS attackers generally use fake source IP addresses,making it harder to identify the DoS messages.

__________ provide authentication which can legally prove who sent a message over a network.

Crackers are casual hackers with a limited knowledge of computer security.

DES is a commonly used symmetric encryption algorithm developed in the mid-1990s by the American government in conjunction with IBM.

The CERT at Carnegie Mellon University was established by the U.S.Department of Agriculture in 1988.

A(n)____________ examines the source and destination address of every network packet that passes through it.

Threat of intrusion comes from ____________.

Security on a network not only means being able to prevent a hacker from breaking into your computer but also includes being able to recover from temporary service problems or from natural disasters.

With the passage of HIPAA and the Sarbanes-Oxley Act,more and more regulations are addressing security.

Which of the following type of media is least susceptible to eavesdropping?

Explain how a Trojan horse works.

Some people think that CERT's posting of security alerts causes more break ins than it prevents.What are the pros and cons of this argument?Do you think CERT should continue to post security holes?

A denial-of-service attack occurs when someone external blocks access to your network.

A(n)_________ is a type of application level firewall that is transparent so that no other computer notices that it is on the network.

A ____________ is a situation in which a hacker attempts to disrupt the network by sending messages to the network that prevent normal users' messages from being processed.

A brute force attack against an encryption system:

Fault-intolerant servers contain many redundant components to prevent failure.

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Wired and Wireless LANs

Backbone Networks

Wide Area Networks

The Internet

Network Design

Network Management

Filters