Chapter 1 Exam Flashcards
Fast Ethernet is the component of layer:
Physical Layer
The main function of Data link layer is
Error checking and flow control
What does OSI stand for?
Open Systems Interconnection
Which protocol used to first establish the connection before any data is transmitted?
TCP
HTTPS uses the TCP port ______
443
What is the main equipment that is used on Layer 3?
Routers
The physical layer is responsible for activating the physical circuit between the Data Terminal Equipment (DTE) and Data Circuit terminating Equipment (DCE), communication through it, and then deactivating it. True/False?
True
Switch is __________ layer device.
Datalink (Layer 2)
____________ layer establishes, manages, and terminates the connections between the local and remote applications
session
What is the purpose of the Presentation layer?
Transaction of data between networking service and an application.
Which layer is concerned with data representation and code formatting?
Presentation Layer
SMTP is used to:
send and receive emails
If a physical link is down, which is the highest layer to check this issue?
layer 1
What is the highest used equipment of layer 7?
End User devices
On _______ layer, every device has a logical address known as an IP address.
Network Layer
At which layer data is transmitted in packets?
Network Layer
The _________ is the OSI layer closest to the end user.
Application Layer
Router is _______ layer device
Network (layer 3)
FTP operates at the ________ layer
Transport (Layer 4)
Can OSI model cope with larger complex network architecture? Yes or No?
Yes
Transport layer provides which of the following basic functions?
Segmentation and reassembly of data.
What is the main function of the transport layer?
Provide end to end delivery
OSI is commonly used in:
All networks
_________ defines the protocol to set up and terminate a connection between two directly connected nodes over a link/medium
Physical layer
