__________ was developed by CCITT to provide standard connectionless network access protocols for three layers of OSI model.

__________ was developed by CCITT to provide standard connectionless network access protocols for three layers of OSI model. Correct Answer X.25

X.25 was developed by CCITT (now ITU-T) to provide standard connectionless network access (packet switching) protocols for the three layers (layer 1, 2 and 3) of the open systems interconnection (OSI) model.
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Related Questions

Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model?
The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?
Which of the following is an industry-wide standards suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer3 Network layer of the OSI model?
You are adding a new server to your network. The network uses TCP/IP. The new server will provide users with dial-up access to network resources. The data link communications protocol you choose for dial-up access must allow you to provide secure authentication. Which protocol should you choose?
You are the administrator of a Windows 2000 Server computer. The server contains one network adapter and is a file and print server for critical company resources. You install a second network adpater in the server and connect it to the same network subnet as the first adapter. You want to ensure that the first adapter is used for all network traffic and the second adapter is used only if the first adapter fails or is disconnected from the network. You also want to ensure that the server always has network connectivity even if one network adapter fails. What should you do?
The CCITT Recommendation X.25 specifies three layers of communications:
File access protocols operate in which layer of the OSI model
The Weberian model of bureaucracy has been criticised from a variety of stand points.
Consider the following points in this regard:
1. The Weberian model appears to be a 'machine theory' and a closed system model taking little account of organisational interactions with the environment.
2. The structural features of bureaucracy as laid down by Weber might be suitable for routine and repetitive tasks but these would produce dysfunctional consequences in terms of human behaviour if the jobs would involve innovation and creativity.
3. Weberian model has not been found to respond adequately to the tasks of socioeconomic transformation in the developing countries. These tasks require quick changes whereas the capacity of the Weberian model for adaptation to change is rather slow.
4. Weber's model is confined to the study of formal bureaucratic structure and fails to take notice of the informal structure of bureauracy such as informal relations, informal norms and values, an informal power hierarchy and informal power struggles.
Which of the above points make a valid criticism of the Weberian model? Select the correct answer from below:
The Acme Corporation is implementing dail-up services to enable remote-office employees to connect to the local network. The company uses multiple routed protocols,needs authentication of users connecting to the network, and since some calls will be long distance, needs callback support. Which of the following protocols is the best choice for these remote services?
Network 206.143.5.0 was assigned to the Acme Company to connect to its ISP. The administrator of Acme would like to configure one router with the commands to access the Internet. Which commands could be configured on the Gateway router to allow Internet access to the entire network?
1. Gateway (config) # ip route 0.0.0.0 0.0.0.0 206.143.5.2
2. Gateway (config) # router rip
3. Gateway (config-router) # network 206.143.5.0
4. Gateway (config-router) # network 206.143.5.0 default