Networking 2

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Which of the following tasks is associated with the Session layer? *Acknowledgement coordination *Transmission synchronization *Connection establishment *Host ID number assignment

*Connection establishment

The UDP transport protocol provides which of the following features? (Select all that apply.) *Guaranteed delivery *Connectionless datagram services *Sequence numbers and acknowledgements *Low overhead

*Connectionless datagram services *Low overhead

Which two of the following are included as part of Data Link layer specifications? *Synchronizing individual bits as they are transmitted through the network. *Controlling how messages are propagated through the network. *Identifying physical network devices

*Controlling how messages are propagated through the network. *Identifying physical network devices

In the OSI model, which of the following functions are performed at the Presentation layer? *(Select two.)* *Provide network services *Handle general network access, flow control, and error recovery *Encrypt and compress data *Specify data format (such as file formats) *Transmit data frames *Maintain separate client connections

*Encrypt and compress data *Specify data format (such as file formats)

In the OSI model, which of the following functions are performed at the Application layer? (Select all that apply.) *Integration of network functionality into the host operating system *Conversation identification *Enabling communication between network clients and services *Data translation

*Integration of network functionality into the host operating system *Enabling communication between network clients and services

The Data Link Layer of the OSI model is comprised of two sublayers. What are they? *(Select two.)* *SAN *DLC *LLC *MAC *LAT

*LLC *MAC

Which of the following functions are performed at the Physical layer of the OSI model? *Data translation *Movement of data across network cables *Enablement of network services *Conversation identification

*Movement of data across network cables

Which three of the following functions are performed by the OSI Transport layer? *Reliable message delivery *Control media access, logical topology, and device identification *Format packets for delivery through the media *Data segmentation and reassembly *Consistent data formatting between dissimilar systems *End-to-end flow control

*Reliable message delivery *Data segmentation and reassembly *End-to-end flow control

In the OSI model, what is the primary function of the Network layer? *Routes messages between networks *Ensures that packets are delivered with no loss or duplication *Transmits data frames *Allows applications to establish, use, and end a connection

*Routes messages between networks

Which of the following protocols includes extensive error checking to ensure that a transmission is sent and received without mistakes? *TCP *UDB *UDP *UCP

*TCP

Which OSI model layer is responsible for guaranteeing reliable message delivery? *Data Link *Session *Application *Transport

*Transport

You are an application developer and are writing a program to exchange video files through a TCP/IP network. You need to select a transport protocol that will guarantee delivery. Which TCP/IP protocol would you implement that provides this capability? TCP IP UDP RIP TFTP FTP

TCP


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