Question 1

Encryption is the process of:

Accepted Answer

A) transmission of information over secure lines in analog form to prevent illegal access 
B) detecting errors in messages by means of mathematical rules 
C) correcting errors in message by means of mathematical rules 
D) disguising information by the use of mathematical rules, known as algorithms 
E) preventing errors in messages by means of logical rules 
A) transmission of information over secure lines in analog form to prevent illegal access 
B) detecting errors in messages by means of mathematical rules 
C) correcting errors in message by means of mathematical rules 
D) disguising information by the use of mathematical rules, known as algorithms 
E) preventing errors in messages by means of logical rules

Question 2

An uninterruptible power supply utilizes a second redundant disk for every disk on the server.

Accepted Answer

A) True 
 B)False

Question 3

In transport mode, IPSec encrypts the entire IP packet.

Accepted Answer

A) True 
 B)False

Question 4

What are the most important servers to protect on a network and why?

Accepted Answer

The most important servers to protect on

Question 5

Which of the following are usually the first choice for eavesdropping?

Accepted Answer

A) unshielded twisted pair 
B) shielded twisted pair 
C) local cables owned by the organization 
D) wireless LANs 
E) fiber optics 
A) unshielded twisted pair 
B) shielded twisted pair 
C) local cables owned by the organization 
D) wireless LANs 
E) fiber optics

Question 6

What is a honey pot?

Accepted Answer

A honeypot is a cybersecurity mechanism

Question 7

Describe how asymmetric encryption works, using a chart to help to explain this approach.

Accepted Answer

Asymmetric encryption, also known as pub

Question 8

Preventive controls mitigate or stop a person from acting or an event from occurring.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is a mode that is used by IPSec?

Accepted Answer

A) exchange 
B) sniffer 
C) tunnel 
D) creeper 
E) firefighter 
A) exchange 
B) sniffer 
C) tunnel 
D) creeper 
E) firefighter

Question 10

_______ is the most commonly used central authentication protocol.

Accepted Answer

A) DES 
B) Kerberos 
C) OSI 
D) SK1 
E) TGT 
A) DES 
B) Kerberos 
C) OSI 
D) SK1 
E) TGT

Question 11

__________ 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 12

How does a packet level firewall work? Describe the proxy server function, the packet layer firewall function, the DMZ and the architecture of this design.

Accepted Answer

A packet level firewall works by examini

Question 13

IP spoofing means to:

Accepted Answer

A) fool the target computer and any intervening firewall into believing that messages from the intruder's computer are actually coming from an authorized user inside the organization's network 
B) clad or cover the internal processing IP) lines with insulating material to shield the IP lines from excess heat or radiation 
C) illegally tape or listen in on telephone conversations 
D) detect and prevent denial-of-service attacks 
E) act as an intermediate host computer between the Internet and the rest of the organization's networks 
A) fool the target computer and any intervening firewall into believing that messages from the intruder's computer are actually coming from an authorized user inside the organization's network 
B) clad or cover the internal processing IP) lines with insulating material to shield the IP lines from excess heat or radiation 
C) illegally tape or listen in on telephone conversations 
D) detect and prevent denial-of-service attacks 
E) act as an intermediate host computer between the Internet and the rest of the organization's networks

Question 14

What is the difference between a network-based IPS, host-based IPS and application-based IPS?

Accepted Answer

A network-based IPS (Intrusion Preventio

Question 15

Which of the following is not considered one of the five most common business impacts?

Accepted Answer

A) Financial 
B) Productivity 
C) Reputation 
D) Social 
E) Safety 
A) Financial 
B) Productivity 
C) Reputation 
D) Social 
E) Safety

Question 16

Business continuity planning refers primarily to ensuring availability, with some aspects of data integrity.

Accepted Answer

A) True 
 B)False

Question 17

The rise of the Internet has increased significantly the potential vulnerability of an organization's assets.

Accepted Answer

A) True 
 B)False

Question 18

The most commonly used central authentication protocol used today is Kerberos.

Accepted Answer

A) True 
 B)False

Question 19

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 20

Decryption is the process of converting plaintext into ciphertext.

Accepted Answer

A) True 
 B)False

Encryption is the process of:

An uninterruptible power supply utilizes a second redundant disk for every disk on the server.

In transport mode, IPSec encrypts the entire IP packet.

What are the most important servers to protect on a network and why?

Which of the following are usually the first choice for eavesdropping?

What is a honey pot?

Describe how asymmetric encryption works, using a chart to help to explain this approach.

Preventive controls mitigate or stop a person from acting or an event from occurring.

Which of the following is a mode that is used by IPSec?

_______ is the most commonly used central authentication protocol.

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

How does a packet level firewall work? Describe the proxy server function, the packet layer firewall function, the DMZ and the architecture of this design.

IP spoofing means to:

What is the difference between a network-based IPS, host-based IPS and application-based IPS?

Which of the following is not considered one of the five most common business impacts?

Business continuity planning refers primarily to ensuring availability, with some aspects of data integrity.

The rise of the Internet has increased significantly the potential vulnerability of an organization's assets.

The most commonly used central authentication protocol used today is Kerberos.

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

Decryption is the process of converting plaintext into ciphertext.

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Wired and Wireless Local Area Networks

Backbone Networks

Wide Area Networks

The Internet

Network Management

Filters

Exam 11: Network Security

Encryption is the process of:

An uninterruptible power supply utilizes a second redundant disk for every disk on the server.

In transport mode, IPSec encrypts the entire IP packet.

What are the most important servers to protect on a network and why?

Which of the following are usually the first choice for eavesdropping?

What is a honey pot?

Describe how asymmetric encryption works, using a chart to help to explain this approach.

Preventive controls mitigate or stop a person from acting or an event from occurring.

Which of the following is a mode that is used by IPSec?

_______ is the most commonly used central authentication protocol.

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

How does a packet level firewall work? Describe the proxy server function, the packet layer firewall function, the DMZ and the architecture of this design.

IP spoofing means to:

What is the difference between a network-based IPS, host-based IPS and application-based IPS?

Which of the following is not considered one of the five most common business impacts?

Business continuity planning refers primarily to ensuring availability, with some aspects of data integrity.

The rise of the Internet has increased significantly the potential vulnerability of an organization's assets.

The most commonly used central authentication protocol used today is Kerberos.

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

Decryption is the process of converting plaintext into ciphertext.

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Network Design

Wired and Wireless Local Area Networks

Backbone Networks

Wide Area Networks

The Internet

Network Management

Filters