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OSI model
| Question | Answer |
|---|---|
| UDP is a part of what layer? | Transport |
| TCP is a part of what layer? | Transport |
| TCP stands for what? | Transmission Control Protocol |
| UDP stands for what? | User Datagram Protocol |
| Which is more reliable? TCP or UDP? | TCP |
| The transport layer uses which data units? | Segments and datagrams |
| Datagram is typically reliable or unreliable? | Unreliable |
| A Datagram had which two components? | Header and data payload |
| The network layer uses which data unit? | Packet |
| A network packet requires two network address, which? | The sending host and the destination host |
| Internet Protocol packets are an example of which layer? | Network |
| In the internet protocol suite, the internet layer is the equivalent of which OSI layer? | Network |
| Which OSI layer has this function: structuring and managing amulti-node network including addressing, routing, and traffic control | Network |
| Which OSI layer had this function: reliable transmission of data segments between points on a network including segmentation, acknowledgement, and multiplexing | Transport |
| Which OSI layer has this function: reliable transmission of data frames between two nodes connected by a physical layer | Data link |
| What is the data unit of the data link layer? | Frame |
| What is the last layer of encapsulation before data is transmitted over the physical layer? | A frame |
| A frame consists of what? | Frame synchronization bits, a packet and a frame check sequence |
| Ethernet frames are an example of which layer? | Data link |
| Which layer has this function: transmission and reception of raw bit streams over a physical medium | Physical |
| What is the data unit of the physical layer? | Symbol |
| What layer serves this function: managing communication sessions such as requests and responses between applications | Session |
| What data unit did the session layer use? | Data |
| Authenticating and authorization is done in which layer | Session |
| SOCKS5 is an internet protocol that allows communication between a client and a server through a proxy server and only allows authenticated user to access. Which layer is this protocol? | Session |
| Session is layer | 5 |
| Transport is layer | 4 |
| Network is layer | 3 |
| Data link is layer... | 2 |
| Physical is layer | 1 |
| Presentation is layer | 6 |
| Application is layer | 7 |
| The data unit for presentation layer is | Data |
| The data unit for the application layer is | Data |
| What layer serves the function: translation of data between a service and an application including character encoding, data compression, and encryption/decryption | Presentation |
| MIME multipurpose internet mail extensions belongs to which layer | Presentation |
| The layer with this function: high level apisv including resource sharing, remote file access | Application |
| Http, SMTP, NTP belong to which layer | Application |