Day 3 - OSI Model TCP IP Suite
Switches operate at Layer [...] of the OSI model.
2
Routers operate at Layer [...] of the OSI model.
3
List the layers of the OSI model in order: 7. Application 6. Presentation 5. Session 4. Transport 3. [...] 2. [...] 1. [...]
3. Network 2. Data Link 1. Physical
List the layers of the OSI model in order: 7. Application 6. Presentation 5. Session 4. [...] 3. [...] 2. [...] 1. Physical
4. Transport 3. Network 2. Data Link
List the layers of the OSI model in order: 7. Application 6. Presentation 5. [...] 4. [...] 3. [...] 2. Data Link 1. Physical
5. Session 4. Transport 3. Network
List the layers of the OSI model in order: 7. Application 6. [...] 5. [...] 4. [...] 3. Network 2. Data Link 1. Physical
6. Presentation 5. Session 4. Transport
The OSI model is divided into [...] layers.
7
List the layers of the OSI model in order: 7. [...] 6. [...] 5. [...] 4. Transport 3. Network 2. Data Link 1. Physical
7. Application 6. Presentation 5. Session
OSI Model Application, Presentation, Session Layers = TCP/IP [...] Layer
Application
Which layer of the OSI model identifies communication partners and synchronizes communication?
Application
OSI Model [...] Layer(s) = TCP/IP Application Layer
Application, Presentation, Session
What is the name of the Layer 1 PDU?
Bits
OSI Model [...] Layer(s) = TCP/IP Link Layer
Data Link, Physical
What kind of network device is a Cisco ASA?
Firewall
What kind of network device is a Cisco Firepower?
Firewall
What is the name of the Layer 2 PDU?
Frame
[...] firewalls are software applications that filter traffic entering and exiting a host machine, like a PC.
Host-based
OSI Model Network Layer = TCP/IP [...] Layer
Internet
Which layer of the OSI model defines physical characteristics of the medium used to transfer data between devices?
Layer 1 - Physical
Which layer of the OSI model detects and corrects Physical layer errors?
Layer 2 - Data Link
Which layer of the OSI model provides node-to-node connectivity?
Layer 2 - Data Link
Which layer of the OSI model provides connectivity to end hosts on different networks?
Layer 3 - Network
Which layer of the OSI model provides logical addressing (IP addresses)?
Layer 3 - Network
Which layer of the OSI model provides path selection between source and destination?
Layer 3 - Network
Which layer of the OSI model provides host-to-host communication?
Layer 4 - Transport
Which layer of the OSI model segments and reassembles data for communications between end hosts?
Layer 4 - Transport
Which layer of the OSI model establishes, manages, and terminates connections between the local and remote applications?
Layer 5 - Session
Which layer of the OSI model translates between data formats?
Layer 6 - Presentation
Which layer of the OSI model includes HTTP and HTTPS?
Layer 7 - Application
Which layer of the OSI model interacts with software applications on a computer?
Layer 7 - Application
Which layer of the OSI model provides process-to-process communication?
Layer 7 - Application
OSI Model Data Link, Physical Layers = TCP/IP [...] Layer
Link
What does LAN stand for?
Local Area Network
OSI Model [...] Layer(s) = TCP/IP Internet Layer
Network
What does 'OSI' stand for?
Open Systems Interconnection
What is the name of the Layer 3 PDU?
Packet
What kind of network device is a Cisco ISR?
Router
What is the name of the Layer 4 PDU?
Segment
[...] and [...] are also known as 'end hosts' or 'endpoints'.
Servers / clients
What kind of network device is a Cisco 'Catalyst'?
Switch
Which networking model is in use in modern networks?
TCP/IP
Which networking model was developed by the United States Department of Defense?
TCP/IP Suite (TCP/IP Model)
OSI Model Transport Layer = TCP/IP [...] Layer
Transport
OSI Model [...] Layer(s) = TCP/IP Transport Layer
Transport
Client
What does this symbol represent?
Firewall
What does this symbol represent?
Router
What does this symbol represent?
Server
What does this symbol represent?
Switch
What does this symbol represent?
Can a single device be both a client and a server?
Yes
Interaction between the different OSI layers on the same device is called [...] interaction.
adjacent-layer
A [...] is a device that accesses a service made available by a server.
client
The process of removing headers and trailers from data received over a network is called [...]
de-encapsulation
The process of adding additional headers and trailers to data before it is sent over the network is called [...]
encapsulation
Routers have [...] network interfaces than switches.
fewer
A [...] monitors and controls network traffic based on configured rules.
firewall
A firewall which combines a traditional firewall with more advanced filtering functionalities is known as a '[...] firewall'.
next-generation
A computer network is a digital telecommunications network which allows [...] to share resources.
nodes
A [...] is used to send data over the Internet.
router
Interaction between the same OSI layer on different devices is called [...] interaction.
same-layer
A [...] is a device that provides functions or services for clients.
server
A [...] has many network interfaces for end hosts to connect to.
switch
A [...] provides connectivity to hosts within the same LAN.
switch