Question: The application layer is responsible for
Answer Options:
Separating user data
Specifying end user needs
None of the above
Routing data
Answer: None of the above
Question: The data link is responsible for sending data between:
Answer Options:
Devices on neighboring networks
Devices anywhere on the internet
Devices on a single network
None of the above
Answer: Devices on a single network
Question: In Ethernet CSMA/CD refers to:
Answer Options:
Collision Sense for multiple access with collision deference
Carrier Sense multiple access with collision detection
Carriers Sense for multiple access computers and devices
Carrier Sense multiple access with collision deference
Answer: Carrier Sense multiple access with collision detection
Question: HTTP is based on a ______ model of communication
Answer Options:
Broadcast
Anycast
Pull
Push
Answer: Pull
Question: The mechanism used for flow control in TCP is:
Answer Options:
Three-way handshake
Sliding window
Stop-and-wait
CSMA/CD
Answer: Sliding window
Question: A unique feature of the Internet compared to landline phone and traditional cable TV networks is that:
The Internet has a higher data transfer rate.
The Internet was operational long before phone and TV networks.
The Internet uses a common packet format to transfer data from any application.
The Internet can be used to transmit information.
Answer: The Internet uses a common packet format to transfer data from any application.
Question: Compared to a hub, a switch:
Answer Options:
Decelerates signals over the medium.
Increases broadcast.
Accelerates signals over the medium.
Decreases collisions.
Answer: Decreases collisions
Question: A unique feature of the application layer compared to the other layers of the TCP/IP stack is that
Answer Options:
The application layer provides security
The application layer performs segmentation
There is a separate protocol for each application
The application layer provides pretty interfaces
Answer: There is a separate protocol for each application
Question: The first 24 bits of a MAC address identify the:
Answer Options:
Owner of the IP address.
Manufacturer of the network card.
Computer on the network.
Owner of the computer network.
Answer: Manufacturer of the network card.
Question: Burns are devastating and debilitating because of loss of fluids and electrolytes from the body. How do physicians estimate the extent of burn damage associated with such dangerous fluid loss?
Answer Options:
a) by observing the blisters that are usually moist
b) through blood analysis
c) by measuring urinary output and fluid intake
d) by using the “rule of nines”
Answer: d) by using the “rule of nines”