| Q.1.What protocol is used between E-Mail servers? |
|---|
| a.FTP b.SMTP c.SNMP d.POP3 |
| Answer:b |
Q.2. If you configure the TCP/IP address and other TCP/IP parameters manually, you can always verify the configuration through which of the following? Select the best answer? |
| a. Network Properties dialog box b. Server Services dialog box c. DHCPINFO command-line utility d. Advanced Properties tab of TCP/ IP Info |
| Answer: a |
Q.3. In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and |
| a. PC b. synchronous port c. crossover cable d. asynchronous port |
| Answer: d |
Q.4. Which of the following communications service provides message preparation and transmission facilities? |
| a. Teletex b. Teletext c. x400 d. Fax |
| Answer: a |
Q.5. Four bits are used for packet sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size? |
| a. 4 b. 8 c. 15 d. 16 |
| Answer: c |
Q.6. In a synchronous modem, the receive equalizer is known as |
| a. adaptive equalizer. b. impairment equalizer. c. statistical equalizer. d. compromise equalizer. |
| Answer: a |
Q.7. Alex is required to provide information on how many people are using the network at any one time. Which network will enable him to do so? |
| a. Server-based b. Token-Ring c. Ethernet d. Star |
| Answer: a |
Q.8. Now-a-days computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose? |
| a. Keyboard b. Modem c. Scanner d.Fax |
| Answer: b |
Q.9. To make possible the efficient on-line servicing of many teleprocessing system users on large computer systems, designers are developing? |
| a. communication systems b. multiprogramming systems c. virtual storage systems d. All of the above |
| Answer: d |
Q.10. Which of the following best describes the scopes on each DHCP server, in the absence of configuration problems with DHCP addresses, if you use multiple DHCP servers in your environment? |
| a. Unique to that subnet only b. For different subnets c. For no more than two subnets d. For no subnets |
| Answer: b |
Q.11. Which of the following provides a storage mechanism for incoming mail but does not allow a user to download messages selectively? |
| a. SMTP b. DHCP c. IMAP d. POP3 |
| Answer: d |
Q.12. A 4 KHz noiseless channel with one sample every 125 per sec, is used to transmit digital signals. Find the bit rate (bits per second) that are sent, if CCITT 2.048 Mbps encoding is used.? |
| a. 500 Kbps b. 32 Kbps c. 8 Kbps d. 64 Kbps. |
| Answer: d |
Q.13. A subdivition of main storage created by operational software is referred to as a: |
| a. compartment b. time-shared program c. divided core d. partition |
| Answer: d |
Q.14. On a class C network with a subnet mask of 192, how many subnets are available? |
| a. 254 b. 62 c. 2 d. 14 |
| Answer: c |
Q.15. How can you see the address of the DHCP server from which a client received its IP address? |
| a. By using Advanced Properties of TCP/IP b. By using IPCONFIG/ALL c. By using DHCPINFO d. By pinging DHCP |
| Answer: b |
Q.16. RS-232-G |
| a. is an interface between two data circuit terminating equipment as examplified by a local and remote modem b. is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment c. specifies only the mechanical characteristics of an interface by providing a 25-pin connector d. requires only 7 pin out of 25 in order to transmit digital data over public telephone lines |
| Answer: b |
Q.17. Error detection at a data link level is achieved by? |
| a. bit stuffing b. cyclic redundancy codes c. Hamming codes d. equalization |
| Answer: b |
Q.18. Which of the following items is not used in Local Area Networks (LANs)? |
| a. Computer b. Modem c. Printer d. Cable |
| Answer: b |
Q.19. The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as |
| a. 148.20.2.30 b. 164.100.9.61 c. 128.10.2.30 d. 210.20.2.64 |
| Answer: d |
Q.20.You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign? |
| a. 255.240.0.0 b. 255.248.0.0 c. 255.252.0.0 d. 255.254.0.0 |
| Answer: d |
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