Question: The advantages of segmentation in TCP include:
Answer Options:
Reduction in the amount of rework if a datagram is lost
Simplification of router hardware
Reduction in the likelihood of errors in each datagram
All of the above
Answer: All of the above
Question: Most modern corporate Ethernets use switches instead of hubs.
Answer Options:
True
False
Answer: True
Question: In the sliding windows mechanism for flow control, the ____ before waiting for an acknowledgment:
Answer Options:
Receiver processes as much data as specified by the sender in the window size field
Sender sends as much data as specified by the receiver in the window size field
Receiver acknowledge data one segment at a time
Sender transmits data one segment at a time
Answer: Sender sends as much data as specified by the receiver in the window size field
Question: Coding is:
Answer Options:
The generation of sine waves for transmission over a medium.
Changing one or more properties of a sine wave in response to data.
The unit of information.
The translation of elements from one set of elements to another set.
Answer: The translation of elements from one set of elements to another set.
Question: Multiplexing at the Transport layer enables:
Answer Options:
Both of the above
Multiple hosts to share a common physical medium
Multiple applications on the host to share a common network connection
None of the above
Answer: Multiple applications on the host to share a common network connection
Question: A hyperlink is
Answer Options:
Text on a web page that can be clicked to reach another web page
A web page for very active individuals
A group of very active individuals
A social network for very active individuals
Answer: Text on a web page that can be clicked to reach another web page
Question: FTP would be preferred over HTTP when
Answer Options:
A large number of files are to be downloaded from a remote server
A file is to be uploaded to a web server by the site administrator
A and C
A small file is to be sent to a large number of users
A and B
Answer: A and C
Question: At which layer of the OSI model are you likely to see acknowledgments of data segments?
Presentation.
Network.
Application.
Transport.
Answer: Transport.
Question: Inlinks are
Answer Options:
Links on web pages that point to each other
Links on other web pages that point to the given web page
Links on a web page that point to other parts of the same web page
Links on a web page that point to other web pages on the same web server
Answer: Links on other web pages that point to the given web page
Question: A regular Ethernet address (MAC address) has ____ bits.
Answer Options:
16
48
96
32
Answer: 48
Question: The novelty of multiplexing is that:
None of the above
It allows instantaneous long distance communications.
Answer: It allows instantaneous long distance communications.
Question: In the name “10BaseT,” the phrase “base” refers to:
Answer Options:
Frequency of sound
Stationary media
Alkaline media
Baseband transmission
Answer: Baseband transmission
Question: As a physical medium, optical fiber possesses all of the following properties, except:
Answer Options:
It can carry signals for long distances without the need for repeaters.
It is relatively inexpensive.
It is as robust as copper in withstanding abuse.
It is relatively light in weight.
Answer: It is as robust as copper in withstanding abuse.
Question: Unicode is used to encode:
Answer Options:
Characters in most languages
Characters in the English alphabet only
Characters in the Chinese language only
Characters in the 5 most common languages spoken around the world
Answer: Characters in most languages
Question: The ability of TCP to serve multiple applications simultaneously is called:
Answer Options:
Multiplexing
Segmentation
Flow control
Connection establishment
Reliability
Answer: Multiplexing
Question: Ensuring that TCP recovers from lost and duplicate packets is called:
Answer Options:
Segmentation
Multiplexing
Flow control
Connection establishment
Reliability
Answer: Reliability