Multiple Choice Test Networking - Set 10 - ObjectiveBooks

Multiple Choice Test Networking - Set 10

Practice Test: Question Set - 10

1. The EIA-232 interface has _______ pins.
    (A) 20
    (B) 24
    (C) 25
    (D) 30

2. On a class B network, how many subnets are available with a subnet mask of 248?
    (A) 2
    (B) 6
    (C) 30
    (D) 62

3. Which of the following statements is correct?
    (A) Protocol converters are the same as multiplexers
    (B) Protocol converters are the same as TDMs
    (C) Protocol converters are usually not operated in pairs
    (D) Protocol converters are usually operated in

4. The OCR reading unit attached to a POS terminal is called a
    (A) Light pen
    (B) Wand
    (C) Cursor
    (D) All of the above

5. Which of the following allows devices on one network to communicate with devices on another network?
    (A) Multiplexer
    (B) Gateway
    (C) T-switch
    (D) Modern

6. What is the first octet range for a class C IP address?
    (A) 192 - 255
    (B) 192 - 223
    (C) 192 - 226
    (D) 128 - 191

7. The loss in signal power as light travels down the fiber is called
    (A) Attenuation
    (B) Propagation
    (C) Scattering
    (D) Interruption

8. The size or magnitude of a voltage or current waveform is
    (A) Amplitude
    (B) Aloha
    (C) Angle Modulation
    (D) Attenuation

9. A required characteristic of an online real-time system is:
    (A) More than one CPU
    (B) Offline batch processing
    (C) No delay in processing
    (D) All of the above

10. Telecommunications networks come in a wide range of speed and capacity capabilities. Select the best fit for answer:
    (A) Bandwidth alternatives
    (B) Switching alternating
    (C) Inter organizational networks
    (D) Extranets

11. In OSI network architecture, the routing is performed by
    (A) Network layer
    (B) Data link layer
    (C) Transport layer
    (D) Session layer

12. A teleprocessing system may consist of
    (A) User systems
    (B) Communications systems
    (C) Computer center systems
    (D) All of the above

13. The data-link layer, in reference to the OSI model, specifies
    (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) None of the above

14. Error detection at the data link level is achieved by?
    (A) Bit stuffing
    (B) Hamming codes
    (C) Cyclic Redundancy codes
    (D) Equalization

15. Because the configuration information for a DHCP client is received dynamically, you must use which utility to read the current configuration to verify the settings?
    (A) PING
    (C) ARP

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