Unit 2 Comp Sci Exam Questions With Correct Answers
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Course
Comp Sci
Institution
Comp Sci
Unit 2 Comp Sci Exam Questions With
Correct Answers
Internet protocol version 6 (IPv6) has been introduced to replace the previous version (IPv4).
Which of the following best describes a benefit of IPv6 over IPv4? - answerIPv6 allows for a
greater number of addresses than IPv4, which allows mor...
Unit 2 Comp Sci Exam Questions With
Correct Answers
Internet protocol version 6 (IPv6) has been introduced to replace the previous version (IPv4).
Which of the following best describes a benefit of IPv6 over IPv4? - answer✔✔IPv6 allows for a
greater number of addresses than IPv4, which allows more devices to be connected to the
Internet.
Which of the following best explains how data is typically assembled in packets for transmission
over the Internet? - answer✔✔Each packet contains data to be transmitted, along with metadata
containing information used for routing the data.
A local router is configured to limit the bandwidth of guest users connecting to the Internet.
Which of the following best explains the result of this configuration as compared to a
configuration in which the router does not limit the bandwidth? - answer✔✔Guest users will be
restricted in the maximum amount of data that they can send and receive per second.
Which of the following statements correctly explain how the Internet is able to facilitate
communication at a large scale?
1. A central monitoring computer is used to track and maintain the connections of the Internet.
2. Data is routed between points in multiple ways so that if a connection fails, the data can be
rerouted around the inoperative connections.
3. Protocols for packets and routing are used so that computers from different manufacturers can
communicate in a standard way. - answer✔✔2 and 3
According to the domain name system (DNS), which of the following is a subdomain of the
domain example.com? - answer✔✔about.example.com
Which of the following best describes the role of the Internet Engineering Task Force (IETF) ? -
answer✔✔Developing standards and protocols for Internet communication
Which of the following explains a benefit of using open standards and protocols for Internet
communication? - answer✔✔Open standards and protocols allow different manufacturers and
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developers to build hardware and software that can communicate with hardware and software on
the rest of the network.
The transmission control protocol (TCP) and Internet protocol (IP) are used in Internet
communication. Which of the following best describes the purpose of these protocols? -
answer✔✔To establish a common standard for sending messages between devices on the
Internet
Which of the following is a primary reason for the use of open protocols on the Internet? -
answer✔✔Open protocols provide a way to standardize data transmission between different
devices.
A user enters a Web address in a browser, and a request for a file is sent to a Web server. Which
of the following best describes how the file is sent to the user? - answer✔✔The file is broken
into packets for transmission. The packets must be reassembled upon receipt.
Two computers are built by different manufacturers. One is running a Web server and the other
is running a Web browser. Which of the following best describes the ability of the two
computers to communicate with each other across the Internet? - answer✔✔The computers can
communicate directly because Internet communication uses standard protocols.
What is the minimum number of connections that must be broken or removed in the network
before computer E can no longer communicate with computer F? - answer✔✔3
Which of the following statements about security in the network is true?
1. Computers A and D need to communicate with at least two additional computers in the
network in order to communicate with each other.
2. Computers B and C can communicate with each other without additional computers being
aware of the communication - answer✔✔2 only
In which of the configurations is it possible to have redundant routing between devices Q and V?
- answer✔✔Both configuration I and configuration II
In configuration I, what is the minimum number of connections that must be broken or removed
before device T can no longer communicate with device U? - answer✔✔2
The following figures represent different ways of configuring a network of physically linked
computers labeled P, Q, R, and S. A line between two computers indicates that the computers
can communicate directly with each other. In which configuration is it NOT possible to have
redundant routing between computers P and S? - answer✔✔The one that looks like a backwards
N, because only one path can get from p to s
What is the minimum number of connections that must be broken or removed before device B
can no longer communicate with device C? - answer✔✔4
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