Podcast
Questions and Answers
How many layers are present in the TCP/IP model?
How many layers are present in the TCP/IP model?
What type of network operates across states, countries, or the entire globe?
What type of network operates across states, countries, or the entire globe?
Which layer in the OSI model deals with the syntax and semantics of transmitted information?
Which layer in the OSI model deals with the syntax and semantics of transmitted information?
Which layer is responsible for routing packets from the source to the destination in the OSI model?
Which layer is responsible for routing packets from the source to the destination in the OSI model?
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Which layers of the OSI model correspond to the Application layer in the TCP/IP model?
Which layers of the OSI model correspond to the Application layer in the TCP/IP model?
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Which layer of the OSI model is responsible for inter-network connectivity?
Which layer of the OSI model is responsible for inter-network connectivity?
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What function is performed by the Data Link layer?
What function is performed by the Data Link layer?
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In the context of routing protocols, what type of protocol handles routing within a single autonomous system?
In the context of routing protocols, what type of protocol handles routing within a single autonomous system?
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Which type of communication does the transport layer protocols primarily manage?
Which type of communication does the transport layer protocols primarily manage?
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What are the port numbers ranging from 49,152 to 65,535 known as?
What are the port numbers ranging from 49,152 to 65,535 known as?
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Which of the following is classified as a transport layer protocol?
Which of the following is classified as a transport layer protocol?
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Which of the following is not classified as an application layer protocol?
Which of the following is not classified as an application layer protocol?
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What is the term used to describe the datagram at the application layer?
What is the term used to describe the datagram at the application layer?
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What is the purpose of the checksum field in UDP?
What is the purpose of the checksum field in UDP?
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Which of the following represents an architecture paradigm used in network design?
Which of the following represents an architecture paradigm used in network design?
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The length of a port address in TCP/IP is how many bits?
The length of a port address in TCP/IP is how many bits?
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The File Transfer Protocol (FTP) is built on which of the following architectures?
The File Transfer Protocol (FTP) is built on which of the following architectures?
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Which protocol is defined as a process-to-process protocol that adds minimum information to the data?
Which protocol is defined as a process-to-process protocol that adds minimum information to the data?
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Which layer is responsible for delivering a message from one process to another?
Which layer is responsible for delivering a message from one process to another?
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Telnet protocol is used to establish a connection to which TCP port number?
Telnet protocol is used to establish a connection to which TCP port number?
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Which statement is true regarding E-mail as an application type?
Which statement is true regarding E-mail as an application type?
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To deliver a message to the correct application running on a host, which address must be consulted?
To deliver a message to the correct application running on a host, which address must be consulted?
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FTP is categorized under which architecture?
FTP is categorized under which architecture?
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What does FTP stand for?
What does FTP stand for?
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Study Notes
Exam Information
- Exam title: Computer network (Trường Đại học Công nghệ Thông tin và Truyền thông Việt - Hàn)
- Exam period: 2021-2022
- Exam type: Midterm Exam
- Time allowed: 60 minutes
- Exam ID: VKU-MMT-2021
Computer Network
- Definition: A collection of hardware components and computers interconnected by communication channels, sharing resources and information.
- First computer network: ARPANET
OSI Model
- Number of layers: 7
- Host-to-host layers: Transport, Session, Presentation, Application
TCP/IP Model
- Number of layers: 4
Network Types
- Wide Area Network (WAN): Spans states, countries, or the whole world.
- Local Area Network (LAN): Operates within a building or campus.
Data Units
- Physical Layer: Bit
- Data Link Layer: Frame
- Transport Layer: Segment
- Network Layer: Packet
OSI Data Unit Order
- Data, Segment, Packet, Frame, Bit
Network Classifications
- Scale: PAN, LAN, MAN, WAN
- Function: Peer-to-Peer, Client-Server
Protocols
- ARP: Resolves IP addresses to MAC addresses
- ICMP: Used for error reporting
- FTP: File Transfer Protocol
- SMTP: Simple Mail Transfer Protocol
- TCP: Connection-oriented, reliable
- UDP: Connectionless, unreliable
- HTTP: Used for Web pages
- TELNET: Establishes connection between sites
Network Devices
- Hub: Works at the Physical layer
- Switch: Works at the Data Link layer
- Repeater: Increases signal power
- Router: Works at the Network layer
Data Transmission Speed Unit
- Bit per second (bps)
Miscellaneous
- Ping Command: Tests network reachability
- Cyclic Redundancy Check (CRC): Error detection and correction technique
- Transmission efficiency of protocols: ALOHA, Slotted ALOHA and CSMA
- Maximum efficiency of Slotted ALOHA vs ALOHA: Slotted ALOHA double compared with ALOHA
- Network address of computer: Using AND operator
- Loopback IP address: 127.0.0.1
- Protocols used for inter-AS routing: BGP
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Description
Test your knowledge on computer networking concepts including the OSI and TCP/IP models, network types, and data units. This midterm exam covers essential aspects of computer networks that are critical for your understanding of the subject. Prepare to answer a variety of questions related to the interconnectivity of systems and data communication.
