Computer Networking Quiz Questions & Answers - Set 08 - ObjectiveBooks

Computer Networking Quiz Questions & Answers - Set 08

Practice Test: Question Set - 08

1. What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end?
    (A) Handshaking
    (B) Modem options
    (C) Protocol
    (D) Duplexing

2. Which of the following is not a transmission medium?
    (A) Telephone lines
    (B) Coaxial cable
    (C) Modem
    (D) Microwave systems

3. TCP is:
    (A) Operates at the Data Link layer
    (B) Connection orientated and unreliable
    (C) Connection orientated and reliable
    (D) Connectionless and unreliable

4. What does 224 translate to in binary?
    (A) 11110000
    (B) 00011110
    (C) 00001111
    (D) 11100000

5. What is the minimum number of wires needed to send data over a serial communication link layer?
    (A) 1
    (B) 2
    (C) 4
    (D) 6

6. You are working with a network that has the network ID What subnet should you use that supports four subnets and a maximum number of hosts?

7. The coming together of three technologies i.e. microelectronics, computing and communications has ushered in
    (A) Information explosion
    (B) Information technology
    (C) Business revolution
    (D) Educational upgradation

8. 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

9. Computers in a LAN can be interconnected by radio and infrared technologies.
    (A) Wireless LANs
    (B) Network Topologies
    (C) Multiplexer
    (D) Modem

10. A communications medium that uses pulses of laser light in glass fibers. Select the best fit for answer:
    (A) Fiber optic cables
    (B) Cellular phone systems
    (C) Telecommunications processors
    (D) Telecommunications software

11. What operates in the Data Link and the Network layer?
    (A) NIC
    (B) Bridge
    (C) Brouter
    (D) Router

12. The transfer of data from a CPU to peripheral devices of a computer is achieved through
    (A) Modems
    (B) Computer ports
    (C) Interfaces
    (D) Buffer memory

13. What can cause a problem with communication with a client by name but not by IP address?
    (A) The IP address
    (B) Static files such as an LMHOSTS file or a DNS database
    (C) Subnet mask
    (D) The default gateway

14. Packet Switch Stream (PSS) was introduced in
    (A) The US in 1961 (&) the UK in 1981
    (B) The UK in 1980
    (C) The US in 1961
    (D) None of the above

15. The physical layer, in reference to the OSI model, defines
    (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) All of the above

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