Uses of Computer Network MCQ Test - Set 03 - ObjectiveBooks

Uses of Computer Network MCQ Test - Set 03

Practice Test: Question Set - 03

1. Most data communications involving telegraph lines use:
    (A) Simplex lines
    (B) Wideband channels
    (C) Narrowband channels
    (D) Dialed service

2. After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?
    (A) Telex
    (B) Word processor
    (C) Facsimile
    (D) Electronic mail

3. Which utility is useful for finding the local host name?
    (B) Netstat
    (C) PING
    (D) Hostname

4. Which layer of international standard organization's OSI model is responsible for creating and recognizing frame boundaries?
    (A) Physical layer
    (B) Data link layer
    (C) Transport layer
    (D) Network layer

5. Which of the following network access standard is used for connecting stations to a circuit-switched network?
    (A) X.3
    (B) X.21
    (C) X.25
    (D) X.75

6. Many data communication networks have been established which provide a wealth of on-demand information services to people at home. What is the name of the system which provides an interactive, graphics-rich service that permits user to select what they want?
    (A) Teletex system
    (B) Fax system
    (C) Videotex system
    (D) Microwave system

7. When a host knows its physical address but not its IP address, it can use _______.
    (A) RARP
    (B) ARP
    (C) IGMP
    (D) ICMP

8. An error detecting code is which code is the remainder resulting from dividing the bits to be checked by a predetermined binary number, is known as
    (A) Cyclic redundancy check
    (B) Checksum
    (C) Error detecting code
    (D) Error rate

9. An encyclopedic database
    (A) Is an information utility that specializes in storing and searching information
    (B) Is generally free
    (C) Is easy for beginners to use
    (D) All of the above

10. After you have verified that TCP/IP is installed correctly, what is the next step in verifying the TCP/IP configuration?
    (A) Ping the broadcast address
    (B) Ping the Microsoft Web site
    (C) Ping a distant router
    (D) Ping the address of the local host

11. What is the main difference between DDCMP and SDLG?
    (A) DDCMP does not need special hardware to final the beginning of a message
    (B) DDCMP has a message header
    (C) SDLC has a IP address
    (D) SDLC does not use CRC

12. How many class A, B, and C network IDs can exist?
    (A) 2,113,658
    (B) 16,382
    (C) 126
    (D) 128

13. Which of the following is an important characteristic of LAN?
    (A) Application independent interfaces
    (B) Unlimited expansion
    (C) Low cost access for low bandwidth channels
    (D) Parallel transmission

14. What is the first octet range for a class A IP address?
    (A) 1 - 126
    (B) 192 - 255
    (C) 192 - 223
    (D) 1 - 127

15. Establishing a virtual connection is functionally equivalent to
    (A) Connecting as virtual memory
    (B) Physically connecting a DTE and DCE
    (C) Placing a telephone call prior to a conversation
    (D) Placing a modem prior to a conversation

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