CNA 101 - Modules 14-15 Network Application Communications Exam

4501.5

A PC that is communicating with a web server has a TCP window size of 6,000 bytes when sending data and a packet size of 1,500 bytes. Which byte of information will the web server acknowledge after it has received three packets of data from the PC? 4500 4501 6001 6000

multiplexing multiple communication streams from many users or applications on the same network identifying the applications and services on the client and server that should handle transmitted data meeting the reliability requirements of applications, if any

What are three responsibilities of the transport layer? (Choose three.) directing packets towards the destination network formatting data into a compatible form for receipt by the destination devices multiplexing multiple communication streams from many users or applications on the same network identifying the applications and services on the client and server that should handle transmitted data meeting the reliability requirements of applications, if any conducting error detection of the contents in frames

decentralized resources resource sharing without a dedicated server

What are two characteristics of peer-to-peer networks? (Choose two.) decentralized resources scalability one way data flow resource sharing without a dedicated server centralized user accounts

A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window.

Which scenario describes a function provided by the transport layer? A student is playing a short web-based movie with sound. The movie and sound are encoded within the transport layer header. A student has two web browser windows open in order to access two web sites. The transport layer ensures the correct web page is delivered to the correct browser window. A corporate worker is accessing a web server located on a corporate network. The transport layer formats the screen so the web page appears properly no matter what device is being used to view the web site. A student is using a classroom VoIP phone to call home. The unique identifier burned into the phone is a transport layer address used to contact another network device on the same network.

Both models support devices in server and client roles.

What do the client/server and peer-to-peer network models have in common? Both models are used only in the wired network environment. Both models have dedicated servers. Both models support devices in server and client roles. Both models require the use of TCP/IP-based protocols.

UDP reassembles the received datagrams in the order they were received.

What is a characteristic of UDP? UDP reassembles the received datagrams in the order they were received. UDP datagrams take the same path and arrive in the correct order at the destination.​ Applications that use UDP are always considered unreliable.​ UDP only passes data to the network when the destination is ready to receive the data.

SMB clients can establish a long-term connection to the server.​

What is an advantage of SMB over FTP?​ Only with SMB can data transfers occur in both directions. Only SMB establishes two simultaneous connections with the client, making the data transfer faster.​ SMB clients can establish a long-term connection to the server.​ SMB is more reliable than FTP because SMB uses TCP and FTP uses UDP.​

registered port

What kind of port must be requested from IANA in order to be used with a specific application? registered port dynamic port source port private port

application

Which OSI layer provides the interface between the applications used to communicate and the underlying network over which messages are transmitted? application session transport presentation

the amount of data the destination can process at one time

Which factor determines TCP window size? the number of services included in the TCP segment the amount of data the destination can process at one time the amount of data the source is capable of sending at one time the amount of data to be transmitted

application

Which layer in the TCP/IP model is used for formatting, compressing, and encrypting data? presentation internetwork session network access application

client/server

Which networking model is being used when an author uploads one chapter document to a file server of a book publisher? client/server peer-to-peer point-to-point master-slave