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Globale linker

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• Chapter 2
• Chapter 3
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• Chapter 6
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1. Which step is most subject to network congestion?

1.     Displaying the content
2.     Server generating content for the output
3.     Transmitting the response from server to client
4.     The request waiting in the server's queue.

answer: D

2. A user with a 128Kbps ISDN modem will take about how many seconds to download a 100K file?

1.     30
2.     3
3.     15
4.     8

answer: D

3. What network hardware device connects a computer to an ISP and the Internet via a standard phone line?

1.     PC
2.     Modem
3.     Internet Appliance
4.     Processor

answer: B

4. A digital signature:

1.     Verifies the identity of the person who applies it to a document
2.     Is required for an e-mail message to get through a firewall
3.     Encrypts a message to which it is applied
4.     Cannot stand up in court.

answer: A

5. Which network connectivity device translates one protocol or technology into another and is used to connect dissimilar network technologies?

1.     Firewall
2.     Hub
3.     Gateway
4.     DSL

answer: C

6. Which web browser setting controls how a web browser receives information and automatically downloaded content from web sites?

1.     Cookies
2.     Security
3.     Proxy
4.     Mail Server

answer: B

7. Which TCP/IP protocol is the primary protocol used to transfer text and binary files on the Internet?

1.     SMTP
2.     FTP
3.     LDAP
4.     LPR

answer: B

8. What is the most common way of getting information from a web surfer?

1.     An HTML form
2.     A custom application
3.     Active X
4.     ASP

answer: A

9. Which network hardware device connects dissimilar network topologies into an internetwork?

1.     Gateway
2.     Router
3.     Bridge
4.     Hub

answer: C

10. Before you can use any Internet-client for a dial-up connexion, what must be installed and configured on the client machine?

1.     Client IP address
2.     Modem
3.     NIC
4.     Web browser

answer: B

11. To which component of the Internet can individual users buy modem connexions so that they can get on the Internet?

1.     Backbone ISP
2.     Access point ISP
3.     WAN connexion
4.     Phone company

answer: B

12. Suppose someone who doesn't have money to spare on a computer needs a connexion to the Internet. Which device could you install to allow that user web access?

1.     Modem
2.     Telephone
3.     Internet appliance
4.     NIC

answer: C

13. Streaming media formats allow for slowdowns in the data stream by

1.     Storing media information in a database
2.     Dividing the available bandwidth into normal and backup segments.
3.     Compressing the data into ZIP format
4.     Building up a buffer of data before playback begins.

answer: D

14. What TCP/IP protocol can be used for directory access?

1.     LDAP
2.     FTP
3.     TCP
4.     NNTP

answer: A

15. What is encrypted text called?

1.     Ciphertext
2.     Plaintext
3.     Scripttext
4.     Cookies

answer: A

16. Trademark protection applies to

1.     Ad slogans
2.     Processes
3.     Graphical artwork other than logos
4.     MIDI files

answer: A/B

17. What is the most useful aspect of the JAVA language?

1.     Cross-platform capability
2.     Gentle learning curve
3.     It is faster than compiled languages
4.     It is copylefted.

answer: A

18. What is the least secure?

1.     Internet
2.     Extranet
3.     Intranet
4.     VPN

answer: A

19. What is the default subnet mask for the IP address 194.206.42.7

1.     255.0.0.0
2.     255.255.0.0
3.     255.255.255.0
4.     255.255.255.255

answer: C

20. If you want to play streaming video on your site, what is the best technology to use?

1.     Flash
2.     Acrobat
3.     RealPlayer
4.     QuickTime VR

answer: C

21. Which technology implements VPNs using IPsec?

1.     L2TP
2.     PPP
3.     SLIP
4.     PPTP

answer: A

22. A T3/E3 connexion has a maximum speed of

1.     1.55 Mbps
2.     45 Mbp
3.     2.048 Mbps
4.     34.162 Mbps

answer: B

23. Which Internet bandwidth technology is mainly used on the Internet backbone?

1.     ATM
2.     T3/E3
3.     X.25
4.     Frame Relay

answer: A

24. Which technology provides an interactive 3-D environment?

1.     Java
2.     JavaScript
3.     HTML
4.     VRML

answer: D

25. Based on speed and cost, which Internet bandwidth link type would be the best choice for a small ISP serving 100 dial-up users?

1.     56K
2.     T1
3.     T3
4.     ATM

answer: B

26. Which two TCP/IP utilities are the most similar in function?

1.     PING
2.     NETSTAT
3.     ARP
4.     TRACERT

answer: A/D

27. A __________ is an SMTP server that sends e-mails it receives to a list of e-mail recipients, forming a "discussion group"?

1.     List server
2.     E-commerce server
3.     Web server
4.     News server

answer: A

28. What kind of file image supports animation?

1.     TIFF
2.     GIF
3.     GIF89a
4.     JPEG

answer: C

29. Which network hardware device will improve network performance?

1.     Router
2.     Cache
3.     Bridge
4.     Hub

answer: A

30. An attack motivated by money is only worthwhile if

1.     The value of the attack's results are worth more than the cost of the
   attack.
2.     The attacker is a paid professional
3.     The attack is on an E-commerce server
4.     Money is transferred to the attacker's account.

answer: A

31. If you try to go to a web site and the browser receives the message "The server is not responding", what could be the problem?

1.     There is a misconfigured router.
2.     The server does not have a DNS entry.
3.     The server is overloaded.
4.     The file does not exist on the server.

answer: C

32. What command is used to start a file transfer from a remote site?

1.     put
2.     mput
3.     get
4.     mget

answer: C

33. True or false: Telnet servers present no security risk.

1.     True
2.     False

answer: B

34. Which network hardware device protects a server from malicious attacks over the Internet?

1.     NIC
2.     Firewall
3.     Gateway
4.     Bridge

answer: B

35.The success of a banner ad is usually measured in

1.     Clickthrough rate
2.     Number of views
3.     Graphic design
4.     Linkthrough rate

answer: A

36. A tunneling protocol is used to facilitate

1.     Firewalls
2.     E-commerce
3.     VPNs
4.     Dial-up connexions

answer: C

37. What protocol is the Internet based on?

1.     TCP/IP
2.     NetBEUI
3.     LPR
4.     IPX/SPX

answer: A

38. Why can't U.S. sites support browser encryption that uses keys longer than 40 bits?

1.     Such technology is regarded as munitions grade by the U.S. government.
2.     Foreign governments do not allow such strong encryption techniques.
3.     Firewalls will not allow data with 40-bit key encryption through.
4.     Long keys can't be transmitted across a WAN.

answer: A

39. What is the fastest video card mode for displaying web graphics?

1.     8 bit
2.     24 bit
3.     32 bit
4.     64 bit

answer: A

40. What is one limitation of web browser cookies?

1.     There is no size limit to cookies.
2.     Cookies are limited to 6 KB.
3.     There can be a maximum of 20 cookies per domain.
4.     There is no limit on the number of cookies.

answer: C

41. If no expiration date is set, how long will the cookies stay in effect?

1.     Forever
2.     Until the computer is rebooted.
3.     30 days
4.     One year

answer: B

42. Which standard allows several "virtual servers" all using different DNS names that are resolved to the same IP address?

1.     HTML 4
2.     JAVA 1.0
3.     HTTP 1.1
4.     JavaScript 2

answer: C

43. Browsers commonly support which client-side scripting language?

1.     PERL
2.     CGI
3.     JavaScript
4.     JAVA

answer: C

44. Configuring a router to advertise routes that either don't exist or aren't where they say they are is known as what kind of an attack?

1.     Man-in-the-middle
2.     Ping Flood
3.     SYN Flood
4.     Spoofing

answer: D

45. If you want to have secure communications on your intranet, what must you implement in order to create your own key pairs?

1.     A VPN
2.     An intranet
3.     A certificate server
4.     An FTP server

answer: C

46. Where do the majority of security violations within corporate networks come from?

1.     Employees
2.     Hackers
3.     Other businesses
4.     Internet

answer: A

47. Which security is the standard for secure online transactions?

1.     SET
2.     SSL
3.     VPN
4.     X-500

answer: A

48. Which of the following has the least impact on apparent web site
performance?

1.     RAM in the client
2.     RAM in the server
3.     Cache size
4.     Client connexion speed

answer: A

49. You can send e-mail, but you cannot receive it. Which protocol is probably the culprit?

1.     SMTP
2.     POP3
3.     TCP
4.     UDP

answer: B

50. In order to be an e-commerce server, a computer must offer what services?

1.     File transfer
2.     Credit card authentication
3.     Directory queries
4.     Virtual shopping cart services

answer: B

51. How can you find out what browser someone was using when they got an error message?

1.     Ask the user
2.     Look in the error log
3.     Look in the access log.
4.     A and C

answer: B

52. In order to have copyright protection, a work:

1.     Must be an original creation
2.     Must be registered with a copyright office
3.     Must have an individual author
4.     Must not have excerpts of other copyrighted work

answer: A

53. What are the best types of documents to distribute using Electronic Data Interchange (EDI)?

1.     Memos
2.     Orders and invoices
3.     Reports
4.     E-mail

answer: B

54. A client-side script is not working correctly. What is the most likely cause?

1.     The operating system does not support scripting
2.     The server can't parse the script
3.     The web client doesn't support scripting
4.     The HTTP connexion has been lost.

answer: C

55. What is Microsoft's preferred server-side scripting language called?

1.     Active Server Pages (ASP)
2.     Internet Information Server (IIS)
3.     VBScript
4.     ActiveX Server Extensions (ASE)

answer: A

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