Question 1

How many station addresses are available in a Class B network?

Accepted Answer

A)  254 
B)  65,232 
C)  65,534 
D)  63,535 
A)  254 
B)  65,232 
C)  65,534 
D)  63,535

Question 2

Which of the following protocols both sequences and acknowledges frames?

Accepted Answer

A)  IP 
B)  UDP 
C)  TCP 
D)  ICMP 
A)  IP 
B)  UDP 
C)  TCP 
D)  ICMP

Question 3

Which port does SMTP use for communication?

Accepted Answer

A)  23 
B)  25 
C)  110 
D)  443 
A)  23 
B)  25 
C)  110 
D)  443

Question 4

If you required 1000 IP host identities for your network, which of the following CIDR addresses would be valid if you want to make the best use of IP addressing?

Accepted Answer

A)  161.15.37.16/12 
B)  161.15.37.16/20 
C)  161.15.37.16/22 
D)  161.15.37.16/25 
A)  161.15.37.16/12 
B)  161.15.37.16/20 
C)  161.15.37.16/22 
D)  161.15.37.16/25

Question 5

Routers can isolate portions of a network to prevent areas of heavy traffic from reaching the broader network system.

Accepted Answer

A) True 
 B)False

Question 6

Is one function of a proxy to screen application requests that go across a firewall placed between an internal network and an external or public network?

Accepted Answer

A) True 
 B)False

Question 7

Does UDP provide the same level of reliability and error checking as TCP?

Accepted Answer

A) True 
 B)False

Question 8

Which of the following applications use UDP for network communications?

Accepted Answer

A)  DNS 
B)  NetBIOS naming functions 
C)  Streaming audio applications 
D)  All of the above 
A)  DNS 
B)  NetBIOS naming functions 
C)  Streaming audio applications 
D)  All of the above

Question 9

In TCP communications, the number of data bytes transmitted in a frame is called the ____________________ because the number can be increased or decreased from one moment to the next by mutual agreement of the two communicating stations.

Accepted Answer

The answer of In TCP communications, the number of data...

Question 10

Which TCP ports are considered to be "well-known" ports?

Accepted Answer

A)  0-511 
B)  0-1023 
C)  1-512 
D)  1-1024 
A)  0-511 
B)  0-1023 
C)  1-512 
D)  1-1024

Question 11

Routers that use a single protocol (such as TCP/IP) maintain multiple address databases.

Accepted Answer

A) True 
 B)False

Question 12

Which field in an IP packet contains the network address and the address of the receiving device?

Accepted Answer

A)  Source address 
B)  Identification 
C)  Version 
D)  Destination address 
A)  Source address 
B)  Identification 
C)  Version 
D)  Destination address

Question 13

When using Class B addressing, which portion of the IP address 140.26.23.48 is the network address?

Accepted Answer

A)  140 
B)  140.26 
C)  140.26.23 
D)  26.23 
A)  140 
B)  140.26 
C)  140.26.23 
D)  26.23

Question 14

Are network classes A through C intended for unicast addressing methods?

Accepted Answer

A) True 
 B)False

Question 15

Does dynamic NAT translate a range of addresses on the internal network to a range of specific decoy addresses?

Accepted Answer

A) True 
 B)False

Question 16

IPv6 has a(n) _____ address capability and a 40-byte header.

Accepted Answer

A)  32 bit 
B)  64 bit 
C)  128 bit 
D)  256 bit 
A)  32 bit 
B)  64 bit 
C)  128 bit 
D)  256 bit

Question 17

TCP/IP consists of nearly 200 nonproprietary protocols that interconnect computer systems efficiently and reliably.

Accepted Answer

A) True 
 B)False

Question 18

In the figure above, which letter indicates the portion of the TCP/IP packet that is the TCP segment?

Accepted Answer

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

Question 19

A route map is used to determine the best route through a network.

Accepted Answer

A) True 
 B)False

Question 20

Network redundancy translation is used when there is a limited number of decoy addresses available, or when there are more computers on the internal network than decoy addresses.

Accepted Answer

A) True 
 B)False

How many station addresses are available in a Class B network?

Which of the following protocols both sequences and acknowledges frames?

Which port does SMTP use for communication?

If you required 1000 IP host identities for your network, which of the following CIDR addresses would be valid if you want to make the best use of IP addressing?

Routers can isolate portions of a network to prevent areas of heavy traffic from reaching the broader network system.

Is one function of a proxy to screen application requests that go across a firewall placed between an internal network and an external or public network?

Does UDP provide the same level of reliability and error checking as TCP?

Which of the following applications use UDP for network communications?

In TCP communications, the number of data bytes transmitted in a frame is called the ____________________ because the number can be increased or decreased from one moment to the next by mutual agreement of the two communicating stations.

Which TCP ports are considered to be "well-known" ports?

Routers that use a single protocol (such as TCP/IP) maintain multiple address databases.

Which field in an IP packet contains the network address and the address of the receiving device?

When using Class B addressing, which portion of the IP address 140.26.23.48 is the network address?

Are network classes A through C intended for unicast addressing methods?

Does dynamic NAT translate a range of addresses on the internal network to a range of specific decoy addresses?

IPv6 has a(n) _____ address capability and a 40-byte header.

TCP/IP consists of nearly 200 nonproprietary protocols that interconnect computer systems efficiently and reliably.

In the figure above, which letter indicates the portion of the TCP/IP packet that is the TCP segment?

A route map is used to determine the best route through a network.

Network redundancy translation is used when there is a limited number of decoy addresses available, or when there are more computers on the internal network than decoy addresses.

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

How many station addresses are available in a Class B network?

Which of the following protocols both sequences and acknowledges frames?

Which port does SMTP use for communication?

If you required 1000 IP host identities for your network, which of the following CIDR addresses would be valid if you want to make the best use of IP addressing?

Routers can isolate portions of a network to prevent areas of heavy traffic from reaching the broader network system.

Is one function of a proxy to screen application requests that go across a firewall placed between an internal network and an external or public network?

Does UDP provide the same level of reliability and error checking as TCP?

Which of the following applications use UDP for network communications?

In TCP communications, the number of data bytes transmitted in a frame is called the ____________________ because the number can be increased or decreased from one moment to the next by mutual agreement of the two communicating stations.

Which TCP ports are considered to be "well-known" ports?

Routers that use a single protocol (such as TCP/IP) maintain multiple address databases.

Which field in an IP packet contains the network address and the address of the receiving device?

When using Class B addressing, which portion of the IP address 140.26.23.48 is the network address?

Are network classes A through C intended for unicast addressing methods?

Does dynamic NAT translate a range of addresses on the internal network to a range of specific decoy addresses?

IPv6 has a(n) _____ address capability and a 40-byte header.

TCP/IP consists of nearly 200 nonproprietary protocols that interconnect computer systems efficiently and reliably.

In the figure above, which letter indicates the portion of the TCP/IP packet that is the TCP segment?

A route map is used to determine the best route through a network.

Network redundancy translation is used when there is a limited number of decoy addresses available, or when there are more computers on the internal network than decoy addresses.

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