1. In terms of physical-level, security for stand-alone PC: 1.1 It is more secur
ID: 3725233 • Letter: 1
Question
1. In terms of physical-level, security for stand-alone PC: 1.1 It is more secure than networked one 1.2 Has the same level of security as networked PC; 1.3 Depends on the protocols used in the network:; 1.4 Depends on the size of the PC memory. 2 What is NOT true: 2.1 Traditional Wide Area Networks (WAN) has more nodes than Local Area Networks LAN); 2.2 Traditional LANs are faster than WANs; 2.3 Traditional WANs are faster than LANs 2.4 Traditional LANs and WANs use different communication technologies 3 The client-server communication based on: 3.1 The request-reply model; 3.2 Ability of the network to send data with very high speed; 3.3 Ability of the client machine to display graphical information; 3.4 Ability of the client machine to save a lot of data on its hard drive. 4. In the OSI Communication model Horizontal communication is the communication between: 4.1 Similar layers in both of communication parties; 4.2 Two layers on the same network node; 4.3. Any communication between client and server 4.4 Any communication between two clients. 5. During the communication between two parties the information always goes through the process called: 5.1 Compilation-decompilation; 5.2 Calculation-decalculation; 5.3 Compression- decompression; 5.4 Encapsulation-decapsulation. 6. Which protocol provides connection-oriented communication? 6.1 UDP: 6.2 IP 6.3.ICMP; 6.4-TCP. 7. Which protocol intended to provide better reliability? 7.1 Connection-oriented; 7.2 Connectionless; 7.3 Both have the same level of reliability 7.4 Depends on the type of the data transmitted; 8. If a message is too long to be sent through the Internet as is, it will be: 8.1 Truncated; 8.2. Fragmented; 8.3 Rejected; 8.4 Sent back to the source node;Explanation / Answer
answer:
1.)1.1 stand alone is more secured than networed PC, in terms of phisical level.
2.) 2.3 Traditional WANs are faster than LANs, because, LAN have higher data transfer rate .
3)3.1 client server communication is based on request and reply model.
Client send request ans server process it and seend the reply to client.
4)4.1 horizontal communication is, communication between the layers that has logical connection
5)5.4) Encapsulation-decapsulation, a frame wiht header and footer information are encapsulated before sending and reverse done at recevier side.
6)6.4 TCP . Transmission control protocol is the connection oriented protocol
thus it provide end to end connection before data transmission.
7)7.1 connection-oriented provide better reliability, because it has session connection .
8)8.2 Fragmented, If message is too long, is spilted and fragmented
//for any clarification, please do comments
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