Computer Science Networking Questions - Set 16 - ObjectiveBooks

Computer Science Networking Questions - Set 16

Practice Test: Question Set - 16

1. A smart modem can dial, hang up and answer incoming calls automatically. Can you tell who provides the appropriate instruction to the modem for this purpose?
    (A) Communications software
    (B) Error detecting protocols
    (C) Link access procedure (LAP)
    (D) Telecommunications

2. Frames from one LAN can be transmitted to another LAN via the device
    (A) Router
    (B) Bridge
    (C) Repeater
    (D) Modem

3. The data communication support should include, but is not restricted to
    (A) File transfer and transaction processing
    (B) File and database access
    (C) Terminal support, electronic mail and voice grams
    (D) All of the above

4. We can receive data either through our television aerial or down our telephone lines and display this data on our television screen. What is the general name given to this process?
    (A) Viewdata
    (B) Teletex
    (C) Telesoftware
    (D) Videotex

5. The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver
    (A) Cannot talk at once
    (B) Can receive and send data simultaneously
    (C) Can send or receive data one at a time
    (D) Can do one way data transmission only

6. Microprogramming is
    (A) Assembly language programming
    (B) Programming of minicomputers
    (C) Control unit programming
    (D) Macro programming of microcomputers

7. Which of the following TCP/IP protocol is used for transferring files from one machine to another?
    (A) RARP
    (B) ARP
    (C) TCP
    (D) FTP

8. Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?
    (A) FTP
    (B) SNMP
    (C) SMTP
    (D) RPC

9. Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer.
    (A) Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology
    (B) Ethernet, because it is cabled using fiber-optic cable
    (C) Token-Ring, because it uses a MAU
    (D) Ethernet, because it can be set up with most topologies and can use multiple transfer speeds

10. Which of the following digits are known as the terminal number of the Network User Address (NUA)?
    (A) 5-7
    (B) 1-4
    (C) 8-12
    (D) 13-14

11. A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate?
    (A) 3 Kbps
    (B) 6 Kbps
    (C) 12 Kbps
    (D) 24 Kbps

12. 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

13. What function does a serial interface perform in data communication?
    (A) Converts serial data into audio signals 
    (B) Converts analog signals into digital signals
    (C) Converts parallel data into a stream of bits
    (D) Decodes incoming signals into computer data

14. Usually, it takes 10-bits to represent one character. How many characters can be transmitted at a speed of 1200 BPS?
    (A) 10
    (B) 12
    (C) 120
    (D) 1200

15. The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are
    (A) Universal accessibility for private network Data Terminal Equipment (DTE)
    (B) Adequate cost control mechanisms for administration of the private networks
    (C) To assign address to private network DTEs
    (D) Both (a) and (b)

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