
ITN Unit 14
Authored by Bruce (BCollier)
Computers
Professional Development
Used 33+ times

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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which scenario describes a function provided by the transport layer?
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.
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.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which action is performed by a client when establishing communication with a server via the use of UDP at the transport layer?
The client sets the window size for the session
The client sends an ISN to the server to start the 3-way handshake
The client randomly selects a source port number.
The client sends a synchronization segment to begin the session.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which transport layer feature is used to guarantee session establishment?
UDP ACK flag
TCP 3-way handshake
UDP sequence number
TCP port number
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a socket?
the combination of the source and destination IP address and source and destination Ethernet address
the combination of a source IP address and port number or a destination IP address and port number
the combination of the source and destination sequence and acknowledgment numbers
the combination of the source and destination sequence numbers and port numbers
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor determines TCP window size?
the amount of data to be transmitted
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
Answer explanation
Window is the number of bytes that the sender will send prior to expecting an acknowledgement from the destination device. The initial window is agreed upon during the session startup via the three-way handshake between source and destination. It is determined by how much data the destination device of a TCP session is able to accept and process at one time.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a client do when it has UDP datagrams to send?
It just sends the datagrams.
It queries the server to see if it is ready to receive data.
It sends a simplified three-way handshake to the server.
It sends to the server a segment with the SYN flag set to synchronize the conversation.
Answer explanation
When a client has UDP datagrams to send, it just sends the datagrams.
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which three fields are used in a UDP segment header? (Choose three.)
Window Size
Length
Source Port
Acknowledgment Number
Checksum
Answer explanation
A UDP header consists of only the Source Port, Destination Port, Length, and Checksum fields. Sequence Number, Acknowledgment Number, and Window Size are TCP header fields.
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