| Q.1.The main difference between TCP and UDP is |
|---|
| a.UDP is connection oriented where as TCP is datagram service b.TCP is an Internet protocol where as UDP is an ATM protocol c.UDP is a datagram where as TCP is a connection oriented service d.All of the above |
| Answer:c |
Q.2.What operates in the Data Link and the Network layer? |
| a. NIC b. Bridge c. Brouter d. Router |
| Answer: c |
Q.3. What is the name of the computer based EMMS that provides a common forum where users can check in at their convenience, post messages, actively exchange ideas and participate in ongoing discussions? |
| a. E-mail b. Bulletin board system (BBS) c. Teleconferencing d. Videoconferencing |
| Answer: b |
Q.4.Which of the following statement is incorrect? |
| a. The CCITT Recommendation X.25 specifies three layers of communication: physical, link and network b. The second layer of communication is the data-link layer c. Errors in the physical layer can be detected by the data link layer d. The fourth layer, in reference to the OSI model, is the session layer |
| Answer: d |
Q.5.Devices on one network can communicate with devices on another network via a |
| a. file server b. utility server c. printer server d. gateway |
| Answer: d |
Q.6. A hard copy would be prepared on a |
| a. typewriter terminal. b. line printer. c. plotter d. All of the above. |
| Answer: d |
Q.7. Which of the following device copies electrical signals from one Ethernet to another? |
| a. bridge b. repeater c. hub d. passive hub |
| Answer: b |
Q.8. Stephanie is in charge of a small network and wants to make it simple but secure. The users want to have full control over their data and still be able to share data with the rest of the office. The networking knowledge of the office staff is basic. Which network(s) would be the best for Stephanie to set up? |
| a. Peer-to-peer b. Master domain c. Server-based d.WAN |
| Answer: c |
Q.9.When UPC is used, the price of the item is located ? |
| a. on the item b. on the item and on the shelf c. in computer storage d. on the shelf and in computer storage |
| Answer: d |
Q.10. Error control is needed at the transport layer because of potential errors occurring _____. |
| a. from transmission line noise b. in routers c. from out-of-sequence delivery d. from packet losses |
| Answer: b |
Q.11. Which of the following is not a standard synchronous communication protocol? |
| a. SDLC b. SMTP c. SLIP d. PAS |
| Answer: d |
Q.12. The network layer, in reference to the OSI model, provide |
| a. data link procedures that provide for the exchange of data via frames that can be sent and received b. the interface between the X.25 network and packet mode device c. the virtual circuit interface to packet-switched service d. All of the above |
| Answer: c |
Q.13. In OSI network architecture, the routing is performed by: |
| a. network layer b. data link layer c. transport layer d. session layer |
| Answer: a |
Q.14. Which of the following communications lines is best suited to interactive processing applications? |
| a. narrowband channels b. simplex lines c. full-duplex lines d. mixed band channels |
| Answer: c |
Q.15. What is the first octet range for a class B IP address? |
| a. 128 - 255 b. 1 - 127 c. 192 - 223 d. 128 - 191 |
| Answer: d |
Q.16. If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called? |
| a. Park b. Bridge c. Interface d. Link |
| Answer: b |
Q.17. Which of the following specifies the network address and host address of the computer? |
| a. The IP address b. The TCP address c. The subnet mask d. controller |
| Answer: a |
Q.18. For connecting modem, a computer must be equipped with a port that conforms to the RS-232 standard of the Electronic Industries Association of America. What do the letters 'RS' stand for? |
| a. Recognised standard b. Random sequence c. Recommended standard d. Registered source |
| Answer: c |
Q.19. A network that requires human intervention of route signals is called a |
| a. bus network b. ring network c. star network d. T-switched network |
| Answer: d |
Q.20.What is the port number for POP3? |
| a. 110 b. 90 c. 80 d. 49 |
| Answer: a |
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