question

Network neutrality is a policy whereby Internet service providers charge customers different rates for their Internet use based on the type of content they are downloading. True False

answer

False

question

Broadband refers to a network with a high transmission capacity. True False

answer

True

question

The following can be considered as broadband technologies (choose all that are correct): A. Dial-up B. DSL C. Cable D. All of these

answer

B. DSL C. Cable

question

A collection of the following devices ? two desktop computers, three laptops, two smart phones and a printer ? can be described as a(n): A. LAN. B. Network server. C. WAN. D. All of these.

answer

A. LAN

question

A(n) ___ can consist of one or more ____ . A. LAN, WANs B. WAN, enterprise networks C. LAN, enterprise networks D. Enterprise network, LANs

answer

D. Enterprise network, LANs

question

A modem can perform which of the following operations? A. Convert analog signals to digital signals only B. Convert digital signals to analog signals only C. Both of the following are correct: Convert analog signals to digital signals only; and convert digital signals to analog signals only D. Modems do not convert signals

answer

C. Both of the following are correct: Convert analog signals to digital signals only; and convert digital signals to analog signals only

question

Fiber-optic cables are preferred over co-axial and twisted pair cables because (choose all that are correct): A. Fiber optic cables are less difficult to tap. B. Fiber optic cables are susceptible to interference. C. Fiber optic cables have very high bandwidth. D. Fiber optic cables offer higher security.

answer

C. Fiber optic cables have very high bandwidth. D. Fiber optic cables offer higher security.

question

Network protocols describe A. The number of nodes in the network. B. The rules for communication within the network. C. The connections between the nodes in the network. D. The number of nodes in the network and the connections between them.

answer

B. The rules for communication within the network.

question

Ethernet, packet switching, HTTP, and TCP/IP are all examples of network protocols. True False

answer

True

question

Distributed computing refers to the distribution of computing tasks among one or more computers. True False

answer

True

question

An Intranet is a scaled-up version of the Internet that uses similar technologies. True False

answer

False

question

An Intranet that allows limited access to its partners, suppliers, and customers is called a(n): A. Secure Intranet B. Extranet C. Corporate Web site D. Portal

answer

B. Extranet

question

IPv6 will allow for ___ unique IP addresses. A. 128 B. 32 C. 2128 D. 232

answer

C. 2128

question

DNS are a convenient alternative to the difficult-to-remember IP naming system for computers. True False

answer

True

question

A free software package is called a browser. True False

answer

False

question

Most Internet search engines maintain an index of billions of Web pages. These indexes are updated using: A. The users of the search engine. B. Dedicated employees. C. Automated webcrawlers. D. A combination of all of these.

answer

C. Automated webcrawlers

question

Networks enable which of the following application A. Discovery B. Communications C. Collaboration D. All of these

answer

D. All of these

question

With _____, phone calls are treated as just another kind of data. A. Voice over Internet Protocol B. Chat rooms C. Teleconference D. All of these

answer

A. Voice over Internet Protocol

question

Workflow, groupware, and telepresence systems are examples of which network application? A. Discovery B. Communications C. Collaboration D. None of these

answer

C. Collaboration

question

The popularity of online classes and online universities can be attributed to which of the following network applications? A. Discovery B. Communications C. Collaboration D. All of these

answer

D. All of these

question

Which of the following are advantages of computer networks? A. They enable organizations to be more flexible. B. They enable companies to share hardware, computer applications, and data. C. They enable geographically dispersed employees to work together. D. They provide a critical link between businesses and their customers. E. All of the above.

answer

E. All of the above

question

Voice and data communication networks are becoming more expensive. True False

answer

False

question

Place the different types of computer networks in size order, ranging from smallest to largest. A. LAN-PAN-MAN-WAN B. PAN-MAN-WAN-LAN C. PAN-LAN-MAN-WAN D. PAN-MAN-LAN-WAN

answer

C. PAN-LAN-MAN-WAN

question

__________ are high speed central networks to which multiple smaller networks connect A. Network servers B. Local area networks C. Routers D. Corporate backbone networks

answer

D. Corporate backbone networks

question

Digital signals have two parameters, amplitude and frequency. True False

answer

False

question

Which wireline communication has the highest security? A. Coaxial cable B. Fiber-optic cable C. All of the wireline communications channels listed have good security and are difficult to tap. D. Twisted-pair wire

answer

B. Fiber-optic cable

question

Which transmission technology utilizes existing telephone lines? A. T-carrier systems B. DSL C. ATM D. SONET

answer

B. DSL

question

Which of the following is not a basic function of transmission control protocol? A. sequencing the transfer of packets B. analyzing the packets for size C. acknowledging that packets have been transferred D. managing the movements of packets between computers

answer

B. analyzing the packets for size

question

File sharing is a type of peer-to-peer processing. True False

answer

True

question

The Internet is managed by a central agency which bears all the cost and responsibility. True False

answer

False

question

If broadband is not available in your area, which of the following Internet connection methods would allow you to connect to the Internet? A. You would able to connect using any of these methods B. Satellite C. Cable Modem D. DSL

answer

B. Satellite

question

Where in a domain name do you find the top-level domain (TLD)? A. all the way to the left B. all the way to the right C. a TLD is not found within the domain name

answer

B. all the way to the right

question

A browser is used to prevent web surfing. True False

answer

False

question

_____ portals support communities such as hobby groups or a political party. A. Corporate B. Commercial C. Industrywide D. Personal E. Affinity

answer

E. Affinity

question

Many organizations have implemented corporate portals for which of the following reasons? A. to cut costs B. to free up time for busy managers C. to improve profitability D. to offer customers self-service opportunities E. all of the above

answer

E. All of the above

question

With _____, phone calls are treated as just another kind of data. A. chat rooms B. voice over IP C. plain old telephone service D. internet relay chat E. teleconference

answer

B. voice over IP

question

Workflow, groupware, and telepresence systems are examples of which network application? A. Web services B. Collaboration C. Communications D. None of these E. Discovery

answer

B. Collaboration

question

Computers typically work in isolation in modern organizations due to information security concerns. True False

answer

False

question

A digital signal consists of a stream of digital bits. True False

answer

True

question

The least expensive cable medium is: A. Fiber-optic cable B. Twisted-pair wire C. Coaxial cable

answer

B. Twisted-pair wire

question

Messages transmitted across the Internet are first divided into packets. True False

answer

True

question

Servers are typically more powerful than client machines. True False

answer

True

question

The ___ is the transport mechanism, while the ___ is the application that uses the transport mechanism. A. Internet, WWW B. WWW, intranet C. WWW, Internet

answer

A. Internet, WWW

question

A search engine that utilizes other search engines and integrates the results is a metasearch engine. True False

answer

True

question

One of the drawbacks of telecommuting is that telecommuting employees have a lower chance at being promoted than employees who work in the office. True False

answer

True

Information Systems CH 6

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