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Questions 1 to 20: Select the best answer to each question. Note that a question and its answers may be split across a page break, so be sure that you have seen the entire question and all the answers before choosing an answer.

 

1. Windows Live Messenger service is part ofA. Windows Remote Server.

B. Windows Live Essentials.

C. Vista.

D. Microsoft Developer Suite.

 

2. What protocol does the Internet use?A. TCP/IP

B. XON/XOFF

C. DTP

D. NIC

 

3. Using the Hayes language for modem control, what command would you use to hang up on a connection?A. ATS0

B. ATH0

C. XCONN

D. ATDTX

 

4. Beginning with Vista, the HyperTerminal software application isA. available only in a graphics-based version.

B. not included with Windows.

C. capable of multi-session file transfer.

D. coded in UNIX.

 

5. What does ATM use to increase data transfer rates over a DSL?A. Attenuation

B. Cells

C. Amplification

D. Frames

 

6. What is the North American standard for cable modem products?

Exam: 027079RR - PC INTERCONNECTION AND COMMUNICATION

A. ISDN

B. Wi-Fi

C. DVB

D. DOCSIS

 

7. Using browser settings to provide the highest level of security during Internet sessions can causeA. increased delay in processing Web requests.

B. exposure to covert malware and virus attacks.

C. more likelihood of password contamination.

D. higher vulnerability to denial-of-service attacks.

 

8. What is the standard channel size used by both cable and wireless modems?A. 6 MHz

B. 12 MHz

C. 64/256 MHz

D. 1.2 GHz

 

9. A VPN connection to your workplace can be established throughA. Ping.

B. ISP or direct Internet connection.

C. ISP only.

D. direct Internet connection only.

 

10. What protocol is used to transfer files between PCs, even if the PCs are using different operating systems?A. SMTP

B. FTP

C. TCP

D. IP

 

11. What supports real-time communications using your PC?A. Newsgroups

B. IM

C. PoP Server

D. HTML

 

12. An essential security feature on a well-designed Internet browser is the ability to _______ browsing history.A. delete

B. transfer

C. translate

D. categorize

 

13. What technology requires LOS signal paths?A. Wireless modems

B. Cable modems

C. VPN

D. Fiber-optic bus lines

 

14. What does DSL refer to?A. Cables

B. A pair of modems

C. Protocols

D. Communication companies

 

15. What is the practical upper limit for the length of an ADSL?A. 24,000 ft

B. 12,000 ft

C. 18,000 ft

D. 4,000 ft

 

16. Single-purpose internal modems are being replaced by _______ that combine multiple functions.A. embedded firmware patches

B. peer-to-peer components

C. PCI-Express cards

D. communication and networking risers

 

17. What is the mechanism that allows a computer to obtain an IP address automatically?A. Wi-Fi

B. DSLAM

C. DHCP

D. VPN

 

18. Two technicians are discussing what a modem does. Technician A says a modem takes analog information and converts it to digital information. Technician B says a modem takes digital information and converts it to analog information. Which technician is correct?

A. Only Technician A

B. Neither

C. Both

D. Only Technician B

 

19. Cable modems employ ________ to receive and send data transmissions.A. a virtual switch

B. a 6 Mhz dedicated channel

C. an off-line storage device

D. high-speed RAM

End of exam

 

20. Cable modems are usually connected to aA. parallel port.

B. serial port.

C. 10/100 Ethernet card.

D. SCSI port.