lect1&2
Terms
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- Which agency is the U.S. voting member to the ISO?
- American National Standards Institute (ANSI)
- Which organization has authority over interstate and international commerce in the communications field?
- FCC
- Which one of APRANET, CSNET, NSFNET, ANSNET was formed to connect universities with no defense ties?
- CSNET
- Which authority is the precursor to ICANN?
- IANA
- What protocol suite does the current Internet use?
- TCP/IP
- What are Forums and why were they introduced?
- Forums are special-interest groups that were formed to speed up the standardization process by quickly testing, evaluating, and standardizing new technologies.
- Provide the names of two regulatory agencies
- FCC and Public Utility Commission (PUC)
- Which one of the ISOC, IAB, IANA, NIC maintains and supports IAB?
- ISOC
- What are the Requirement Levels of an RFC?
- Required, Recommended, Elective, Limited Use, Not Recommended
- Provide the names of two well known Forums.
- ATM Forum, Frame Relay Forum
- As a data packet moves from the lower to the upper layers, headers are added or subtracted?
- Subtracted
- Encryption and decryption are functions of which layer?
- Presentation
- Match the following to one of the seven OSI layers: a. route determination
- Network Layer
- Match the following to one of the seven OSI layers: b. flow control
- Data Link and Transport Layers
- Match the following to one of the seven OSI layers: c. interface to outside world
- Application Layer
- Match the following to one of the seven OSI layers: d. provides access to the network for the end user
- Application Layer
- Match the following to one of the seven OSI layers: e. changes ASCII to EBCDIC
- Presentation Layer
- Match the following to one of the seven OSI layers: f. packet switching
- Network Layer
- Match the following to one of the seven OSI layers: a. reliable end-to-end data transportation
- Transport Layer
- Match the following to one of the seven OSI layers: b. network selection
- Network Layer
- Match the following to one of the seven OSI layers: c. defines frames
- Data Link Layer
- Match the following to one of the seven OSI layers: d. provides user services such as e-mail and file transfer
- Application Layer
- Match the following to one of the seven OSI layers: e. transmission of bit stream across physical medium
- Physical Layer
- Match the following to one of the seven OSI layers: a. communicates directly with user’s application program
- Application Layer
- Match the following to one of the seven OSI layers: b. error correction and retransmission
- Data Link and Transport Layers
- Match the following to one of the seven OSI layers: c. mechanical, electrical, and functional interface
- Physical Layer
- Match the following to one of the seven OSI layers: responsibility for information between adjacent nodes
- Data Link Layer
- Match the following to one of the seven OSI layers: e. reassembly of data packets
- Transport Layer
- What do we call layer N protocol in a Network Architecture?
- The rules and conventions that govern the communication between layer “n†on different machines
- What is the purpose of the physical layer?
- To coordinate the functions required for the transmission of a bit stream over the physical medium; it specifies the type of transmission medium, signals that must be transmitted, clock synchronization, etc.
- What are the issues addressed by the Data Link Layer?
- Framing, Physical Addressing, Flow Control, Error Control, Medium Access Method
- What are the issues addressed by the Presentation Layer?
- Translation, Compression, Encryption/Decryption, Authentication.
- Provide some common OSI application services.
- Network Virtual Terminal, File Transfer and Management, Mail Service, Directory Service.
- Provide some common TCP/IP application protocols.
- FTP. TELNET, SMTP, SNMP