NETWORK AND SECURITY- FOUNDATIONS- D315 EXAM WITH ALL CORRECT & 100% VERIFIED ANSWER|ALREADY GRADED A+

NETWORK AND SECURITY- FOUNDATIONS- D315 EXAM
WITH ALL CORRECT & 100% VERIFIED ANSWER|ALREADY
GRADED A+
1. Transmission Control Protocol/Internet Protocol TCP/IP

2. This layer is responsible for the communication proto- Application
Layer
cols between nodes. The protocols in this layer
include hypertext transfer protocol (HTTP and
HTTPS), Secure Shell (SSH), and network time
protocol (NTP), among many others.

3. This layer is responsible for the end-to-end node.
transport of data. The protocols that live in this This layer
layer are trans- mission control protocol (TCP) is
and user datagram pro- tocol (UDP). impleme
nted
4. This layer defines the logical transmission through
protocols for the whole network. The main the use
protocols that live in this layer are internet of
protocol (IP), internet control message devices
protocol (ICMP), and address resolution pro- such as
tocol (ARP). switches
and bridge
5. This layer establishes how data should be devices, as
physically sent through the network. well as
anything
6. Open Systems Interconnection Model with

7. This layer is responsible for the physical
connections of the devices in the network. This
layer is implement- ed through the use of
devices such as hubs, repeaters, modem
devices, and physical cabling.

8. This layer is responsible for the error-free
delivery of data to the receiving device or


, NETWORK AND SECURITY- FOUNDATIONS- D315 EXAM
WITH ALL CORRECT & 100% VERIFIED ANSWER|ALREADY
GRADED
Transport LayerA+




Network Layer




Network interface Layer


OSI Model

Physical Layer (Layer 1)




Data Link Layer (Layer 2)






,NETWORK AND SECURITY- FOUNDATIONS- D315 EXAM
WITH ALL CORRECT & 100% VERIFIED ANSWER|ALREADY
GRADED A+ interface, like wireless or wired
a network
network cards.

9. This layer is responsible for the transmission Network Layer (Layer 3)
of data between hosts in different networks as
well as routing of data packets. This layer is
implemented through the use of devices such
as routers and some switches.

10. In this layer protocols ensure that data are transferred Transport
layer (layer 4)
from point A to point B reliably and without
errors. this layer services include flow control,
acknowledgment, error correction,
segmentation, reassembly, and se-
quencing.

11. This layer is responsible for connection Session Layer (Layer 5)
establish- ment, session maintenance, and
authentication.
12. Presentation Layer
This layer is responsible for translating data (Layer 6)
from the application layer into the format
required to transmit the data over the
network as well as encrypting the data for
security if encryption is used.

13. This layer is responsible for network applications (like Application
Layer (Layer 7)
HTTP or FTP) and their production of data to be
trans- ferred over the network.

14. -The simplest device used on an Ethernet network for Hub
{Physical Layer}


, NETWORK AND SECURITY- FOUNDATIONS- D315 EXAM
WITH ALL CORRECT & 100% VERIFIED ANSWER|ALREADY
GRADED A+ devices to each other
connecting

-split the bandwidth of a connection among all
the computers connected to it

- do not perform any packet filtering or addressing