Question 1

What port does the Domain Name System,or DNS service use?

Accepted Answer

A)  25 
B)  53 
C)  69 
D)  80 
A)  25 
B)  53 
C)  69 
D)  80 B

Question 2

What port does the Trivial File Transfer Protocol,or TFTP service use?

Accepted Answer

A)  25 
B)  53 
C)  69 
D)  80 
A)  25 
B)  53 
C)  69 
D)  80 C

Question 3

What connection-oriented protocol is utilized by the Transport layer?

Accepted Answer

A)  HTTPS 
B)  UDP 
C)  TCP 
D)  SSL 
A)  HTTPS 
B)  UDP 
C)  TCP 
D)  SSL C

Question 4

What 32-bit number tracks packets received by a node and allows the reassembling of large packets that have been broken up into smaller packets?

Accepted Answer

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

Question 5

How many host computers can be assigned a valid IPv4 address when using a CIDR /24 prefix?

Accepted Answer

A)  254 
B)  512 
C)  65,000 
D)  16 million 
A)  254 
B)  512 
C)  65,000 
D)  16 million

Question 6

UDP is an unreliable data delivery protocol.Why is UDP widely used on the Internet?

Accepted Answer

UDP is a widely used protocol on the Int

Question 7

Match each item with a statement below.
-Occupies one bit of the TCP segment and can be set to 0 (off)or 1 (on)

Accepted Answer

A) ICMP 
B) network session hijacking 
C) TCP flag 
D) port 
E) UDP
F)connection-oriented protocol
G)ISN
H)connectionless protocol
I)protocol
J)three-way handshake 
A) ICMP 
B) network session hijacking 
C) TCP flag 
D) port 
E) UDP
F)connection-oriented protocol
G)ISN
H)connectionless protocol
I)protocol
J)three-way handshake

Question 8

What IPv4 address class has the IP address 221.1.2.3?

Accepted Answer

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

Question 9

Match each item with a statement below.
-A common language used so computers can communicate with one another

Accepted Answer

A) ICMP 
B) network session hijacking 
C) TCP flag 
D) port 
E) UDP
F)connection-oriented protocol
G)ISN
H)connectionless protocol
I)protocol
J)three-way handshake 
A) ICMP 
B) network session hijacking 
C) TCP flag 
D) port 
E) UDP
F)connection-oriented protocol
G)ISN
H)connectionless protocol
I)protocol
J)three-way handshake

Question 10

How many host addresses can be assigned with a subnet mask of 255.255.255.0? Explain how you calculated the result.

Accepted Answer

With a default subnet mask of 255.255.25

Question 11

Match each item with a statement below.
-Fast but unreliable delivery protocol that operates at the Transport layer

Accepted Answer

A) ICMP 
B) network session hijacking 
C) TCP flag 
D) port 
E) UDP
F)connection-oriented protocol
G)ISN
H)connectionless protocol
I)protocol
J)three-way handshake 
A) ICMP 
B) network session hijacking 
C) TCP flag 
D) port 
E) UDP
F)connection-oriented protocol
G)ISN
H)connectionless protocol
I)protocol
J)three-way handshake

Question 12

What is ICMP used for?

Accepted Answer

Internet Control Message Protocol (ICMP)

Question 13

What layer,in the TCP/IP stack,do applications and protocols,such as HTTP and Telnet,operate?

Accepted Answer

A)  Internet 
B)  Network 
C)  Transport 
D)  Application 
A)  Internet 
B)  Network 
C)  Transport 
D)  Application

Question 14

Match each item with a statement below.
-Attack that relies on guessing the ISNs of TCP packets

Accepted Answer

A) ICMP 
B) network session hijacking 
C) TCP flag 
D) port 
E) UDP
F)connection-oriented protocol
G)ISN
H)connectionless protocol
I)protocol
J)three-way handshake 
A) ICMP 
B) network session hijacking 
C) TCP flag 
D) port 
E) UDP
F)connection-oriented protocol
G)ISN
H)connectionless protocol
I)protocol
J)three-way handshake

Question 15

What layer,in the TCP/IP protocol stack,is responsible for encapsulating data into segments?

Accepted Answer

A)  Transport layer 
B)  Internet layer 
C)  Application layer 
D)  Network layer 
A)  Transport layer 
B)  Internet layer 
C)  Application layer 
D)  Network layer

Question 16

What is the logical component of a TCP connection that can be assigned to a process that requires network connectivity?

Accepted Answer

A)  ISN 
B)  IP 
C)  port 
D)  SYN 
A)  ISN 
B)  IP 
C)  port 
D)  SYN

Question 17

What layer,in the TCP/IP stack,is responsible for routing a packet to a destination address?

Accepted Answer

A)  Internet 
B)  Network 
C)  Transport 
D)  Application 
A)  Internet 
B)  Network 
C)  Transport 
D)  Application

Question 18

Match each item with a statement below.
-A logical component of a TCP connection that can be assigned to a process that requires network connectivity

Accepted Answer

A) ICMP 
B) network session hijacking 
C) TCP flag 
D) port 
E) UDP
F)connection-oriented protocol
G)ISN
H)connectionless protocol
I)protocol
J)three-way handshake 
A) ICMP 
B) network session hijacking 
C) TCP flag 
D) port 
E) UDP
F)connection-oriented protocol
G)ISN
H)connectionless protocol
I)protocol
J)three-way handshake

Question 19

In the TCP/IP stack,what layer is concerned with controlling the flow of data,sequencing packets for reassembly,and encapsulating the segment with a TCP or UDP header?

Accepted Answer

A)  Internet 
B)  Network 
C)  Transport 
D)  Application 
A)  Internet 
B)  Network 
C)  Transport 
D)  Application

Question 20

What IP address is used as a loopback address and is not a valid IP address that can be assigned to a network?

Accepted Answer

A)  128 address 
B)  127 address 
C)  224 address 
D)  255 address 
A)  128 address 
B)  127 address 
C)  224 address 
D)  255 address

What port does the Domain Name System,or DNS service use?

What port does the Trivial File Transfer Protocol,or TFTP service use?

What connection-oriented protocol is utilized by the Transport layer?

What 32-bit number tracks packets received by a node and allows the reassembling of large packets that have been broken up into smaller packets?

How many host computers can be assigned a valid IPv4 address when using a CIDR /24 prefix?

UDP is an unreliable data delivery protocol.Why is UDP widely used on the Internet?

Match each item with a statement below. -Occupies one bit of the TCP segment and can be set to 0 (off)or 1 (on)

What IPv4 address class has the IP address 221.1.2.3?

Match each item with a statement below. -A common language used so computers can communicate with one another

How many host addresses can be assigned with a subnet mask of 255.255.255.0? Explain how you calculated the result.

Match each item with a statement below. -Fast but unreliable delivery protocol that operates at the Transport layer

What is ICMP used for?

What layer,in the TCP/IP stack,do applications and protocols,such as HTTP and Telnet,operate?

Match each item with a statement below. -Attack that relies on guessing the ISNs of TCP packets

What layer,in the TCP/IP protocol stack,is responsible for encapsulating data into segments?

What is the logical component of a TCP connection that can be assigned to a process that requires network connectivity?

What layer,in the TCP/IP stack,is responsible for routing a packet to a destination address?

Match each item with a statement below. -A logical component of a TCP connection that can be assigned to a process that requires network connectivity

In the TCP/IP stack,what layer is concerned with controlling the flow of data,sequencing packets for reassembly,and encapsulating the segment with a TCP or UDP header?

What IP address is used as a loopback address and is not a valid IP address that can be assigned to a network?

Ethical Hacking Overview

Network and Computer Attacks

Footprinting and Social Engineering

Port Scanning

Enumeration

Programming for Security Professionals

Desktop and Server Os Vulnerabilities

Embedded Operating Systems: the Hidden Threat

Hacking Web Servers

Hacking Wireless Networks

Cryptography

Network Protection Systems

Filters

Exam 2: Tcpip Concepts Review

What port does the Domain Name System,or DNS service use?

What port does the Trivial File Transfer Protocol,or TFTP service use?

What connection-oriented protocol is utilized by the Transport layer?

What 32-bit number tracks packets received by a node and allows the reassembling of large packets that have been broken up into smaller packets?

How many host computers can be assigned a valid IPv4 address when using a CIDR /24 prefix?

UDP is an unreliable data delivery protocol.Why is UDP widely used on the Internet?

Match each item with a statement below. -Occupies one bit of the TCP segment and can be set to 0 (off)or 1 (on)

What IPv4 address class has the IP address 221.1.2.3?

Match each item with a statement below. -A common language used so computers can communicate with one another

How many host addresses can be assigned with a subnet mask of 255.255.255.0? Explain how you calculated the result.

Match each item with a statement below. -Fast but unreliable delivery protocol that operates at the Transport layer

What is ICMP used for?

What layer,in the TCP/IP stack,do applications and protocols,such as HTTP and Telnet,operate?

Match each item with a statement below. -Attack that relies on guessing the ISNs of TCP packets

What layer,in the TCP/IP protocol stack,is responsible for encapsulating data into segments?

What is the logical component of a TCP connection that can be assigned to a process that requires network connectivity?

What layer,in the TCP/IP stack,is responsible for routing a packet to a destination address?

Match each item with a statement below. -A logical component of a TCP connection that can be assigned to a process that requires network connectivity

In the TCP/IP stack,what layer is concerned with controlling the flow of data,sequencing packets for reassembly,and encapsulating the segment with a TCP or UDP header?

What IP address is used as a loopback address and is not a valid IP address that can be assigned to a network?

Ethical Hacking Overview

Network and Computer Attacks

Footprinting and Social Engineering

Port Scanning

Enumeration

Programming for Security Professionals

Desktop and Server Os Vulnerabilities

Embedded Operating Systems: the Hidden Threat

Hacking Web Servers

Hacking Wireless Networks

Cryptography

Network Protection Systems

Filters