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1 | |
It is an interesting sidelight that some courts have ruled that: |
| | A) | All pornography is legal unless it involves minors. |
| | B) | Public officials cannot encrypt their messages. |
| | C) | A manager cannot read the e-mails of his employees. |
| | D) | E-mail is private information. |
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2 | |
A packet consists of a chunk of data, a destination address, and: |
| | A) | A source address. |
| | B) | The encryption key. |
| | C) | The document name. |
| | D) | A notation of length of the complete document. |
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3 | |
More than $65 billion was raised in 1994 when: |
| | A) | The PCS frequencies were auctioned off. |
| | B) | The backbone went public. |
| | C) | The Pentium chip was launched. |
| | D) | Java was introduced. |
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4 | |
Routers improve network performance by segmenting large networks into smaller pieces and: |
| | A) | Choosing the path of the message. |
| | B) | Segmenting large messages into smaller packets. |
| | C) | Using serial parallel processing to speed progress. |
| | D) | Managing the firewall. |
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5 | |
When you are purchasing telecommunications equipment, the goal is to purchase equipment that: |
| | A) | Is from the same manufacturer. |
| | B) | Is compatible with your media provider. |
| | C) | Can be upgraded often. |
| | D) | Meets currently popular standards. |
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6 | |
The Internet offers two other features similar to e-mail: |
| | A) | Chat rooms and Buddy systems. |
| | B) | Chat rooms and Newsgroups. |
| | C) | Listservs and Newsgroups |
| | D) | Listserves and Chatrooms. |
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7 | |
Second-generation cell phones: |
| | A) | Are mostly used in Europe. |
| | B) | Use digital transmissions on the PCS wavelengths. |
| | C) | Have video capability. |
| | D) | Transmit messages more quickly. |
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8 | |
The advent of which technology allowed telephone systems to rapidly digitize signals? |
| | A) | LAN |
| | B) | Cellular Networks |
| | C) | Switches |
| | D) | Pockets |
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9 | |
The main objective of a network is: |
| | A) | To allow use of PDAs and wireless technologies |
| | B) | To provide access to connected computers |
| | C) | To convert sound waves into electronic signals |
| | D) | To handle voice and high-speed data equally well |
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10 | |
LAN is an acronyms for: |
| | A) | Land Access Network |
| | B) | Local Auditory Network |
| | C) | Limited Access Network |
| | D) | Local Area Network |
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11 | |
During an ecommerce transaction, the following components, except one, are needed: |
| | A) | Data Base Management Systems |
| | B) | Customer Browser |
| | C) | Store Room |
| | D) | Inventory Data |
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12 | |
The term asynchronous, as it applies to electronic mail, means: |
| | A) | The flow of data from sender to recipient occurs at different times |
| | B) | Mail servers hold data differently for sender and recipient |
| | C) | The flow of data from sender to recipient occurs at the same time |
| | D) | The download and upload of data to mail servers occur at different speeds |
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13 | |
One of the major drawbacks with email is: |
| | A) | The major costs of encryption software |
| | B) | It is illegal for employers to check email messages |
| | C) | There is not enough server space for junk mail |
| | D) | Some people don't check their email regularly |
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14 | |
The main difference between websites, newsgroups and chat rooms is: |
| | A) | The amount of control and monitoring of data transmission |
| | B) | The use of asynchronous technologies |
| | C) | The way the data is stored and retrieved |
| | D) | The level of interactivity with web browsers |
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15 | |
An example of groupware is: |
| | A) | A manager checks everyone's schedule on the network to schedule a meeting |
| | B) | An HR department posts a weekly bulletin explaining changes to 401k benefits |
| | C) | A central server provides backups for each PC in the network |
| | D) | An employee is able to select from one of three laser printers within the network |
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16 | |
When sharing software and hardware, a major concern would be: |
| | A) | Data integrity |
| | B) | Network Reliability |
| | C) | Backup availability |
| | D) | Storage Capacity |
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17 | |
Which network feature is key in providing efficient data transmission? |
| | A) | VOIPs |
| | B) | Switches |
| | C) | Pockets |
| | D) | LANS |
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18 | |
On a peer to peer network, computers can be all except: |
| | A) | Can be both clients and servers |
| | B) | Can be used by individual users |
| | C) | Can be used to store data |
| | D) | Can be just one computer with several networked devices |
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19 | |
When choosing a server, you have to consider its scalability and |
| | A) | Cost differential |
| | B) | Performance |
| | C) | Integrated Technologies |
| | D) | Operating System |
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20 | |
Integration technology that enables distributed workloads can generally be found in: |
| | A) | LANs |
| | B) | Server Farms |
| | C) | Peer to peer networks |
| | D) | Server operating systems |
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21 | |
Which transmission medium would least be susceptible to interferance? |
| | A) | Coax |
| | B) | Infrared waves |
| | C) | Fiber optic |
| | D) | Category 5 |
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22 | |
Which is not an example of Broadcast signal? |
| | A) | Microwave |
| | B) | Sonic |
| | C) | Radio |
| | D) | Infrared |
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23 | |
While broadcast media offers many possibilities in distributing data, a major challenge is security. Another downside broadcast media is: |
| | A) | Portability |
| | B) | Cost |
| | C) | Reliability |
| | D) | Limited capacity |
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24 | |
Which U.S. governmental agency regulates the frequency spectrum? |
| | A) | FCC |
| | B) | FAA |
| | C) | SEC |
| | D) | FDA |
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25 | |
When transmitting video on a web page, you have to consider: |
| | A) | Frame rates |
| | B) | Resolution |
| | C) | File sizes |
| | D) | Dialup lines |
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26 | |
When you have a shared connection between multiple computers, its better to have: |
| | A) | A switched network |
| | B) | A network hub |
| | C) | A cable modem |
| | D) | A local area network |
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27 | |
Which is not an example of a leasable internet connection? |
| | A) | T1 |
| | B) | DSL |
| | C) | OC-3 |
| | D) | T4 |
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28 | |
21. One advantage that DSL has over cable modem is: |
| | A) | The DSL line is shared, which provides faster downloading speed |
| | B) | The cable line is shared, which means slower speeds than DSL |
| | C) | The DSL line is not shared, which means faster downloads |
| | D) | The cable line is shared at the cable company thus providing slower downloads |
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29 | |
Which of the following is not a network connection device? |
| | A) | Hub |
| | B) | Switch |
| | C) | Router |
| | D) | NIC card |
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30 | |
Although switches can have the same capabilities as routers, routers are only used to: |
| | A) | Connect a network of computers together. |
| | B) | Segment information according to department |
| | C) | Isolate communication to a single line |
| | D) | Establish protocols for shared media |
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31 | |
The Ethernet protocol is also known under the acronym: |
| | A) | CSMA/CD |
| | B) | PIMCIA |
| | C) | ODBC |
| | D) | DSL |
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32 | |
Enterprise networks are comprised of all except: |
| | A) | LANs |
| | B) | Hubs |
| | C) | Servers |
| | D) | HRMs |
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33 | |
A Wide Area Network differs from a LAN because: |
| | A) | The amount of server used |
| | B) | The distance that it covers |
| | C) | The amount of public carriers used |
| | D) | The distance between hubs and switches |
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34 | |
The concept of what is important for networks: |
| | A) | VPNs |
| | B) | Fast connections |
| | C) | Switching |
| | D) | Standards |
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35 | |
Select the statement that is true about standards |
| | A) | Even with new technology being introduced, manufacturers will always adhere to available standards |
| | B) | If two products support the same standard, they will be compatible |
| | C) | When buying telecommunications equipment, the main goal is to choose equipment that meets popular standards |
| | D) | Changes to corporate standards, should be kept to a minimum |
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36 | |
Under the TCP/IP reference model, data is handled in the following layers except: |
| | A) | Internet |
| | B) | Subnet |
| | C) | Network |
| | D) | Application |
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37 | |
Which TCP/IP layers is concerned with dividing application data? |
| | A) | Internet |
| | B) | Physical |
| | C) | Transport |
| | D) | Application |
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38 | |
File transfer and email are handled through which layer? |
| | A) | subnet |
| | B) | application |
| | C) | physical |
| | D) | network |
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39 | |
Identify the true statement about ISPs & NSPs |
| | A) | ISPs utilize phone lines to connect to their NSP |
| | B) | The large NSP also provide cable service |
| | C) | Costs are generally higher for ISPs than NSPs |
| | D) | ISP pays a downstream access to NSPs |
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40 | |
With the advent of _____, internet users will have more than enough identifying numbers to be assigned to their computers |
| | A) | DNS |
| | B) | 128 bit |
| | C) | IPV2 |
| | D) | email address |
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41 | |
Listeners and newsgroups are valuable but |
| | A) | They cost a lot of money to join |
| | B) | They may provide inaccurate information |
| | C) | They inundate you with emails |
| | D) | Comments we usually censored |
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42 | |
Internet 2 is concerned mostly with: |
| | A) | High speed email transfer |
| | B) | Quality of service |
| | C) | Private corporate funding |
| | D) | More efficient internet/web design |
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43 | |
The main obstacle facing wireless technology handling indirect transmissions is |
| | A) | High costs |
| | B) | Microwave radio |
| | C) | Technological design |
| | D) | Cellular frequencies |
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44 | |
Which of the following is not an example of technical problems facing the internationalization of telecommunication? |
| | A) | video standards |
| | B) | antiquated network equipment |
| | C) | inadequate satellite coverage |
| | D) | inconsistent text standards |
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2003 McGraw-Hill Higher Education