Types of Computer Networks Objective Questions - Set 04 - ObjectiveBooks

Types of Computer Networks Objective Questions - Set 04

Practice Test: Question Set - 04

1. A computer that handles resource sharing and network management in a local area network. Select the best fit for answer:
    (A) Network Server
    (B) Virtual Private Network
    (C) Network operating system
    (D) OSI

2. The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as

3. Modem is used in data transmission. When was it invented and in which country?
    (A) 1963, USA
    (B) 1965, Germany
    (C) 1950, USA
    (D) 1950, Japan

4. Which of the following statement is correct?
    (A) Teleprinters are used for printing at remote locations, not for input
    (B) Teleprinters are same as teletypes
    (C) Teleprinters are same as x400
    (D) Teleprinters have a printer for output and keyboard for input

5. 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

6. Band-limited signal is
    (A) Transmission of signals without modulation
    (B) A signal all of whose energy is contained within a finite frequency range
    (C) Simultaneous transmission of data to a number of stations
    (D) None of the above

7. Which of the following signals is not standard RS - 232-C signal?
    (A) VDR
    (B) RTS
    (C) CTS
    (D) DSR

8. 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

9. Identify the odd term amongst the following group:
    (A) Coaxial cable
    (B) Optical fibre
    (C) Twisted pair wire
    (D) Microwaves

10. Terminals are used to
    (A) Collect data from the physical system
    (B) Provide information for the manager
    (C) Communicate management decisions to the physical system
    (D) All of the above

11. Which of the following medium access control technique is used for bus/tree?
    (A) Token ring
    (B) Token bus
    (C) CSMA
    (D) MAC

12. If the ASCII character G is sent and the character D is received, what type of error is this?
    (A) Single-bit
    (B) Multiple-bit
    (C) Burst
    (D) Recoverable

13. You have a network ID of with 8 subnets. You need to allow the largest possible number of host IDs per subnet. Which subnet mask should you assign?

14. The physical layer of a network
    (A) Defines the electrical characteristics of signals passed between the computer and communication devices
    (B) Controls error detection and correction
    (C) Constructs packets of data and sends them across the network
    (D) None of the above

15. Which of the following is separated by a subnet mask?
    (A) DHCP scopes
    (B) Network ID and host ID
    (C) Domains
    (D) Subnets

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