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Question: 1. Which supports animation of graphics on web? A. GIF87A B. GIF89A C. jpeg D. png Answer: B GIF89A is the version of GIF that supports animated pictures. Question: 2. How are cookies stored? A. Unencrypted text file on client B. Unencrypted text file on server C. Encrypted text file on client D. Encrypted text file on server Answer: A Cookies are saved as unencrypted text files on the client. Question: 3. How many 64 Kbps channels are in a ISDN? A. 1 B. 2 C. 8 D. 12 Answer: B There are two 64-Kbps channels on a common, basic rate, ISDN connection. Question: 4. Which one has speeds off 51.84Mbps? A. T1 B. T3 C. OC1 D. OC3 Answer: C T1 supports 1.544Mbps, T3 supports 44.736Mbps, OC1 supports 51.8Mpbs, and OC3 supports 155.4Mbps. Question: 5. What uses vector graphics to display web images? A. Flash B. Shockwave C. Real Media D. QuickTime VR Answer: A Flash uses vector graphics. Page 1 of 128
Question: 6. You have a Remote access server (RAS) used by your colleagues working at home. You are concerned about the security. What should you do to have a better security measure? A. Installing firewall B. Change password C. Use SSL for the connection D. Enable call back Answer: D Callback can be used to only allow remote access from certain locations (telephone numbers). Question: 7. What TCP/IP protocol can be used for directory access? A. LDAP B. HTTP C. FTP D. NNTP Answer: A The Lightweight Directory Access Protocol (LDAP) is used by directory servers. Question: 8. What UART chip is needed to provide a modem connection of 115200 bps? A. 85.xx B. 65.xx C. 100.xx D. 165.xx Answer: D The UART 16650A, this most common UART now, or higher is needed to support transmission speeds of 115200 bps. Question: 9. Which executes on server side? A. CGI B. C++ C. Javascript D. VBG Answer: A CGI scripts are executed at the server. Question: 10. Which command checks the current open TCP/IP connections? A. netstat B. Ping C. ipconfig D. winipcfg Page 2 of 128
Answer: A Netstat provides statistics on the current open TCP/IP connection.Ping just tests network connectivity.IPConfig on Windows NT/2000/XP computers, and Winipcfg on Windows 9x computers, is used to view and configure IP settings, not to check TCP/IP connections. Question: 11. Which command matches IP address to MAC address? A. arp B. ipconfig C. winipcfg D. nbtstat Answer: A The Adress Resolution Protocol (ARP) resolves IP addresses to MAC addresses. Question: 12. What is the default port for HTTP? A. 21 B. 25 C. 80 D. 110 Answer: C HTTP uses TCP port 80 by default. Question: 13. Web graphics 40mm x 60mm. Which format do you load to achieve the fastest download when user browses? A. 72dpi B. 98dpi C. 100dpi D. 300dpi Answer: A Lower resolution, 72 dpi, requires less data, and is therefore faster to download. Question: 14. Your company has heterogeneous systems (different operating systems/machines). You want to have a better security and you want your company to issue certificates for user communication. What server should you implement? A. Directory server B. Certificate server C. Authentication server D. Telnet server Answer: B A Certificate server which issues certificate is needed. Not all operating systems have a directory. There is no common standard for authentication servers yet. A telnet server only provides remote access. Page 3 of 128
Question: 15. What is the default port for Telnet? A. 21 B. 23 C. 25 D. 80 Answer: B Telnet uses TCP port 23 by default. Question: 16. What is the default port for SMTP? A. 21 B. 25 C. 80 D. 110 Answer: B The Simple Mail Transport Protocol uses TCP port 25 by default. Question: 17. What do you need on your e-commerce system to process credit card transactions? A. Online catalog B. Virtual shopping carts/Checkouts C. Merchant system D. Intranet Answer: C The merchant system processes the credit card transactions.An online catalog, Virtual shopping carts/Checkouts are often used in a web site selling products, but it these omponents does not rocess the credit card transactions. Question: 18 What network device enables you to communicate with other systems using different protocol? A. Router B. Hub C. Bridge D. Gateway Answer: D A gateway can be used to connect systems that use different protocols. The gateway translates etween the rotocols. Question: 19 Which supports encryption? A. UDP B. TCP C. PPP D. SLIP Page 4 of 128
Answer: C PPP supports encryption. Question: 20 Your company has connection with the business partners. What is it called? A. Intranet B. Extranet C. Internet D. Private network Answer: B An extranet is a business-to-business intranet between the company's and the business partners ocations. Question: 21 What do you call the first DNS server? A. First B. Master C. Slave D. Primary Answer: D The first DNS server is called the primary, or the authoritative, DNS server of the zone. Question: 22 Within a DNS record where can you find the name of the administrator. A. PTR B. SOA C. CNAME D. MX Answer: B The Start of Authority (SOA) record contains, among other things, the name of the administrator. Question: 23 Which device cannot be infected with a virus? A. Router B. Hub C. Gateway D. NIC Answer: B A hub does not contain any firmware and cannot be infected by a virus.A router or a gateway might be infected since they might be implemented by firmware.It seems unlikely that a NIC could be infected by a virus, but it might be theoretically possible. Question: 24. When a new idea is being considered for adoption regarding the Internet, it is first posted as an: A. FAQ Page 5 of 128
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