Domain 4

Question 1

What is the PDU for UDP

Answer 1

Datagrams

Question 2

What is the PDU for TCP

Answer 2

Segments

Question 3

What are the layers above the transport later in the TCP/IP Stack

What layers does it relate to for the OSI model

Answer 3

There is only one layer above, it is the application layer.

It corresponds to the

Application
Presentation
Session

Question 4

What layer of the OSI model does the TCP/IP Internet layer correspond to

Answer 4

The network layer of the OSI model

Question 5

What OSI layers are included in the TCP\IP Link Layer

Answer 5

Data-link
Physical

Question 6

What is a Ping of Death

Answer 6

Oversized ICMP package is sent to a target. This causes a buffer overlfow and system crashes in vulnerable systems

Question 7

Describe a Smurf attack

Answer 7

ICMP PING sent to a network broacased with a spoofed source IP. Which causes all recipients to flood the target with responses

Question 8

Describe a Teardrop Attack

Answer 8

Fragmented packets are sent to a targer machine. Since the packets cannot be reassembled, they overlap one another and crash the network device

Question 9

Describe a Fraggle attack

Answer 9

DOS attack that involves sending Spoofed UDP traffic to a routers Broadcast address within a network. Simmilart to a Smurf attack, but uses UDP traffic instead of ICMP

Question 10

Describe a Land Attack

Answer 10

Layer 4 DOS where the source IP and port are set to be identify to the destination and por. A vulnerable machine will crash due to the packet being repeatedly by the TCP stack

Question 11

True or False Cellular data is encrypted

Answer 11

True, but only between device and transmission towers