Podcast
Questions and Answers
What is responsible for adding a header at each layer as a packet of information travels through in data encapsulation?
What is responsible for adding a header at each layer as a packet of information travels through in data encapsulation?
- Application Encapsulation
- Transport Encapsulation
- Network Interface Encapsulation
- IP Encapsulation (correct)
Which TCP/IP layer is often referred to as Layer 3 and is responsible for end-to-end forwarding of datagrams?
Which TCP/IP layer is often referred to as Layer 3 and is responsible for end-to-end forwarding of datagrams?
- Data Link Layer
- Transport Layer
- Application Layer
- Network Layer (correct)
What is the main purpose of the User Interface to the Network in the TCP/IP layers?
What is the main purpose of the User Interface to the Network in the TCP/IP layers?
- Unique network addressing scheme
- End-to-end frame transfer
- User applications like E-mail and FTP (correct)
- Physical transfer of data
Which layer of the TCP/IP model provides an application interface to the IP layer and deals with reliable/unreliable transfers?
Which layer of the TCP/IP model provides an application interface to the IP layer and deals with reliable/unreliable transfers?
In the context of TCP/IP, what does data encapsulation refer to?
In the context of TCP/IP, what does data encapsulation refer to?
Which TCP/IP layer is responsible for the physical transfer of data and is often referred to as Layer 2?
Which TCP/IP layer is responsible for the physical transfer of data and is often referred to as Layer 2?
What is the main role of Tier 1 Service Providers in the Internet hierarchy?
What is the main role of Tier 1 Service Providers in the Internet hierarchy?
Which type of organizations create or distribute content for the Internet?
Which type of organizations create or distribute content for the Internet?
What is the function of an Internet Exchange Point (IXP)?
What is the function of an Internet Exchange Point (IXP)?
In the context of Internet terminology, what does POP stand for?
In the context of Internet terminology, what does POP stand for?
Which tier of service providers resell services for various Tier 2 service providers to their customers?
Which tier of service providers resell services for various Tier 2 service providers to their customers?
What characterizes the main function of Tier 2 Service Providers in the Internet hierarchy?
What characterizes the main function of Tier 2 Service Providers in the Internet hierarchy?
What is the purpose of a Demarcation Point in ISP services?
What is the purpose of a Demarcation Point in ISP services?
Which network component typically resides on the customer premises in ISP services?
Which network component typically resides on the customer premises in ISP services?
What is the main function of a Provider Edge (PE) device in ISP services?
What is the main function of a Provider Edge (PE) device in ISP services?
Where are Provider (P) routers typically located in ISP networks?
Where are Provider (P) routers typically located in ISP networks?
What is the key role of a Point of Presence (POP) in ISP services?
What is the key role of a Point of Presence (POP) in ISP services?
