Question 1

In a TCP header, the ____________________ is a 16-bit CRC that is computed by adding the length of all header fields plus the length of the data payload field. 6

Accepted Answer

checksum

Question 2

Which of the following is the loopback address?

Accepted Answer

A)  127.0.0.0 
B)  172.0.0.1 
C)  172.0.0.0 
D)  127.0.0.1 
A)  127.0.0.0 
B)  172.0.0.1 
C)  172.0.0.0 
D)  127.0.0.1 D

Question 3

Packet filtering is accomplished using one of two techniques: stateless filtering and stateful filtering.

Accepted Answer

A) True 
 B)False  True

Question 4

Firewalls provide border security by using three different approaches. What are they?

Accepted Answer

1. Packet filtering

Question 5

When using classful addressing, the IP address 122.16.232.4 belongs to which network class?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 6

A newer way to ignore address class designation is by using ______________________________ addressing, which puts a slash (/) after the dotted decimal notation.

Accepted Answer

CIDR,class

Question 7

Which type of packet filtering tracks information about a communication session, such as which ports are in use, drawing from the contents of multiple packets?

Accepted Answer

A)  Ingress 
B)  Stateful 
C)  Stateless 
D)  Source route 
A)  Ingress 
B)  Stateful 
C)  Stateless 
D)  Source route

Question 8

When a server is set up for ______________________________, it performs address translation between the local network clients (including the server as an Internet user) and the Internet.

Accepted Answer

Network Ad

Question 9

Which type of NAT is used when the firewall is connected to multiple public networks or Internet service providers, and thus there is a range of different decoy addresses used for each external network?

Accepted Answer

A)  Network redundancy translation 
B)  Dynamic translation 
C)  Static translation 
D)  Load balancing 
A)  Network redundancy translation 
B)  Dynamic translation 
C)  Static translation 
D)  Load balancing

Question 10

IPTables is a powerful tool that can be used to implement network security in many ways; it is configured through a terminal window using the iptables command.

Accepted Answer

A) True 
 B)False

Question 11

What protocol was used extensively for versions of NetWare prior to version 5?

Accepted Answer

A)  UDP 
B)  IPX 
C)  TCP/IP 
D)  NetBEUI 
A)  UDP 
B)  IPX 
C)  TCP/IP 
D)  NetBEUI

Question 12

What are the six ways that a metric can be calculated?

Accepted Answer

1. Number of incoming packets waiting to

Question 13

Which of the following can be used to calculate a metric?

Accepted Answer

A)  Number of hops 
B)  Size of the packet 
C)  Bandwidth 
D)  Both a and b 
E)  a, b, and c 
A)  Number of hops 
B)  Size of the packet 
C)  Bandwidth 
D)  Both a and b 
E)  a, b, and c

Question 14

Which of the following can port-scanning software be used for?

Accepted Answer

A)  To collect information about a target computer 
B)  To crash a system 
C)  To intercept and decrypt data sent from a target computer 
D)  Both a and b 
E)  Both b and c 
A)  To collect information about a target computer 
B)  To crash a system 
C)  To intercept and decrypt data sent from a target computer 
D)  Both a and b 
E)  Both b and c

Question 15

When an application on a network station uses a(n) ____________________ packet (which is the most typical packet used by an application), one copy of each packet in a transmission is sent to each destination intended to receive the packet.

Accepted Answer

The answer of When an application on a network station...

Question 16

Which of the following TCP/UDP ports is used for DNS server applications?

Accepted Answer

A)  53 
B)  80 
C)  139 
D)  443 
A)  53 
B)  80 
C)  139 
D)  443

Question 17

What five services are part of Windows Server 2003 Routing and Remote Access Services?

Accepted Answer

1. Remote access (dial-up or V

Question 18

Does RIP have the ability to send only routing updates to other routers instead of the entire routing table?

Accepted Answer

A) True 
 B)False

Question 19

What is the length of the sequence number that TCP uses to ensure that all frames are received?

Accepted Answer

A)  16 bits 
B)  32 bits 
C)  32 bytes 
D)  64 bytes 
A)  16 bits 
B)  32 bits 
C)  32 bytes 
D)  64 bytes

Question 20

What is the minimum length of a TCP header?

Accepted Answer

A)  8 bytes 
B)  16 bytes 
C)  20 bytes 
D)  32 bytes 
A)  8 bytes 
B)  16 bytes 
C)  20 bytes 
D)  32 bytes

In a TCP header, the ____________________ is a 16-bit CRC that is computed by adding the length of all header fields plus the length of the data payload field. 6

Which of the following is the loopback address?

Packet filtering is accomplished using one of two techniques: stateless filtering and stateful filtering.

Firewalls provide border security by using three different approaches. What are they?

When using classful addressing, the IP address 122.16.232.4 belongs to which network class?

A newer way to ignore address class designation is by using ______________________________ addressing, which puts a slash (/) after the dotted decimal notation.

Which type of packet filtering tracks information about a communication session, such as which ports are in use, drawing from the contents of multiple packets?

When a server is set up for ______________________________, it performs address translation between the local network clients (including the server as an Internet user) and the Internet.

Which type of NAT is used when the firewall is connected to multiple public networks or Internet service providers, and thus there is a range of different decoy addresses used for each external network?

IPTables is a powerful tool that can be used to implement network security in many ways; it is configured through a terminal window using the iptables command.

What protocol was used extensively for versions of NetWare prior to version 5?

What are the six ways that a metric can be calculated?

Which of the following can be used to calculate a metric?

Which of the following can port-scanning software be used for?

When an application on a network station uses a(n) ____________________ packet (which is the most typical packet used by an application), one copy of each packet in a transmission is sent to each destination intended to receive the packet.

Which of the following TCP/UDP ports is used for DNS server applications?

What five services are part of Windows Server 2003 Routing and Remote Access Services?

Does RIP have the ability to send only routing updates to other routers instead of the entire routing table?

What is the length of the sequence number that TCP uses to ensure that all frames are received?

What is the minimum length of a TCP header?

Operating Systems Security: Keeping Computers and Networks Secure

Viruses, Worms, and Malicious Software

Security Through Authentication and Encryption

Account-Based Security

File, Directory, and Shared Resource Security

Physical and Network Topology Security

Wireless Security

Web, Remote Access, and VPN Security

E-Mail Security

Security Through Disaster Recovery

Security Through Monitoring and Auditing

Filters

Exam 6: Firewalls and Border Security

In a TCP header, the ____________________ is a 16-bit CRC that is computed by adding the length of all header fields plus the length of the data payload field. 6

Which of the following is the loopback address?

Packet filtering is accomplished using one of two techniques: stateless filtering and stateful filtering.

Firewalls provide border security by using three different approaches. What are they?

When using classful addressing, the IP address 122.16.232.4 belongs to which network class?

A newer way to ignore address class designation is by using ______________________________ addressing, which puts a slash (/) after the dotted decimal notation.

Which type of packet filtering tracks information about a communication session, such as which ports are in use, drawing from the contents of multiple packets?

When a server is set up for ______________________________, it performs address translation between the local network clients (including the server as an Internet user) and the Internet.

Which type of NAT is used when the firewall is connected to multiple public networks or Internet service providers, and thus there is a range of different decoy addresses used for each external network?

IPTables is a powerful tool that can be used to implement network security in many ways; it is configured through a terminal window using the iptables command.

What protocol was used extensively for versions of NetWare prior to version 5?

What are the six ways that a metric can be calculated?

Which of the following can be used to calculate a metric?

Which of the following can port-scanning software be used for?

When an application on a network station uses a(n) ____________________ packet (which is the most typical packet used by an application), one copy of each packet in a transmission is sent to each destination intended to receive the packet.

Which of the following TCP/UDP ports is used for DNS server applications?

What five services are part of Windows Server 2003 Routing and Remote Access Services?

Does RIP have the ability to send only routing updates to other routers instead of the entire routing table?

What is the length of the sequence number that TCP uses to ensure that all frames are received?

What is the minimum length of a TCP header?

Operating Systems Security: Keeping Computers and Networks Secure

Viruses, Worms, and Malicious Software

Security Through Authentication and Encryption

Account-Based Security

File, Directory, and Shared Resource Security

Physical and Network Topology Security

Wireless Security

Web, Remote Access, and VPN Security

E-Mail Security

Security Through Disaster Recovery

Security Through Monitoring and Auditing

Filters