18 Questions
What OSI layer is responsible for establishing, managing, and terminating connections?
Session Layer
Which protocol enables the delivery of audio and video over IP networks?
RTP
Which OSI layer is responsible for data encryption?
Presentation Layer
Which protocol is not typically used in the Session Layer?
FTP
Which protocol is used for remote connection?
Telnet/SSH
At which OSI layer do connection-establishment protocols operate?
Session Layer
Which protocol is used for uploading and downloading files?
FTP
Which layer is responsible for data encryption and compression?
Presentation Layer
What is a characteristic of the TCP/IP protocol suite?
It is an open standard protocol not tied to one vendor.
What OSI layer does NETBIOS operate on?
Session Layer
What is the purpose of the Data Link Layer Process in the vertical communication on the source host?
Creates a new frame and encapsulates the IP packet.
Which protocol is used for emailing?
SMTP
What is the term used to describe the process of placing a message in the data field of another message?
Encapsulation
What is the default protocol for Microsoft, UNIX, and LINUX Operating Systems?
TCP/IP
What is the next version of TCP/IP?
TCP/IP v6
What is the purpose of the Internet Layer Process in the vertical communication on the source host?
Creates an IP packet.
What is the term used to describe the communication between different layers of the OSI model within a single host?
Vertical communication
What is the key requirement for all switches in a network and all routers in an internet?
To follow the same standard.
Study Notes
Networking Protocols
- HTTP (Hyper Text Transfer Protocol) is used for browsing
- FTP (File transfer Protocol) is used for downloading/uploading
- SMTP (Simple Mail transfer Protocol) is used for emailing
- POP3 (Post office transfers Protocol) is used for emailing
- Telnet/SSH (secure Shell) is used for remote connection
- RTP (Real-time Protocol) is used for delivering audio/video over IP networks
OSI Seven Layers
Presentation
- Data encryption happens at this layer
- Data creation happens at this layer
Major Networking Protocols
- TCP/IP is an open standard protocol
- IPX/SPX is a protocol suite
- NetBEUI is a protocol suite
- Apple Talk is a protocol suite
TCP/IP Protocol Suite
- TCP/IP is not tied to one vendor
- TCP/IP is the internet protocol
- The current version is TCP/IP v4
- The next version is TCP/IP v6
- TCP/IP is the default protocol for Microsoft Operating Systems, UNIX Operating Systems, and LINUX Operating Systems
OSI Versus TCP/IP
Message Communication in TCP/IP
- Application layer: HTTP messages are sent
- Transport layer: TCP messages are sent
- Internet layer: IP packets are sent
- Data Link layer: Ethernet frames are sent
- Physical layer: bits are sent
Vertical Layered Communication
- All switches in a network and all routers in an internet must follow the same standard
- Vertical communication happens on the source host
OSI Seven Layers
Session
- Protocols/API's that operate on this layer include: RPC, SQL, NETBIOS
Encapsulation
- Encapsulation is the process of placing a message in the data field of another message
- In the data link layer, an IP packet is encapsulated in a frame, adding a frame header and perhaps a trailer
This quiz covers various protocols and their uses in computer networks, including HTTP, FTP, SMTP, POP3, Telnet/SSH, and RTP. It also touches on the OSI seven-layer model.
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