Networking Computer Science Questions and Answers - Set 11 - ObjectiveBooks

Networking Computer Science Questions and Answers - Set 11

Practice Test: Question Set - 11


1. You have been contracted to install a windows NT network in an office that is located in a strip mall. The office is located next to the power plant of the building, so a UPS (uninterruptible power supply) has already been installed. What type of cable should you use for the network cabling? Choose the best answer.
    (A) TI
    (B) UTP
    (C) Fiber-optic
    (D) STP

2. How many digits of the DNIC (Data Network Identification Code) identify the country?
    (A) First three
    (B) First four
    (C) First five
    (D) First six

3. Stephanie is in charge of a small network and wants to make it simple but secure. The users want to have full control over their data and still be able to share data with the rest of the office. The networking knowledge of the office staff is basic. Which network(s) would be the best for Stephanie to set up?
    (A) Peer-to-peer
    (B) Master domain
    (C) Server-based
    (D) WAN

4. Who invented the modem?
    (A) Wang Laboratories Ltd.
    (B) AT & T Information Systems, USA
    (C) Apple Computers Inc.
    (D) Digital Equipment Corp.

5. What is the default subnet mask for a class C network?
    (A) 127.0.0.1
    (B) 255.0.0.0
    (C) 255.255.0.0
    (D) 255.255.255.0

6. Which of the following is considered a broadband communications channel?
    (A) Coaxial cable
    (B) Fiber optic cable
    (C) Microwave circuits
    (D) All of the above

7. The IEEE 802 project of the 1980s involved further defining the lower two layers of the OSI model. A number of standards were agreed upon during that time. Which of the following is the standard for Ethernet?
    (A) 802.2
    (B) 802.3
    (C) 802.4
    (D) 802.5

8. Contention is
    (A) One or more conductors that serve as a common connection for a related group of devices
    (B) A continuous frequency capable of being modulated or impressed with a second signal
    (C) The condition when two or more stations attempt to use the same channel at the same time
    (D) A collection of interconnected functional units that provides a data communications service among stations attached to the network

9. Interconnected networks need communication processors such as switches, routers, hubs, and gateways. Select the best fit for answer:
    (A) TCP/IP
    (B) Protocol
    (C) Open Systems
    (D) Internetwork processor

10. Which of the following TCP/IP protocol is used for remote terminal connection service?
    (A) TELNET
    (B) FTP
    (C) RARP
    (D) UDP

11. Which of the following device is used to connect two systems, especially if the systems use different protocols?
    (A) Hub
    (B) Bridge
    (C) Gateway
    (D) Repeater

12. What is the default subnet mask for a class A network?
    (A) 127.0.0.1
    (B) 255.0.0.0
    (C) 255.255.255.0.0
    (D) 255.255.255.0

13. Which utility is an all-purpose tool for troubleshooting TCP/IP problems?
    (A) NBTSTAT
    (B) Netstat
    (C) PING
    (D) Hostname

14. If you get both local and remote echoes, every character you type will appear on the screen
    (A) Once
    (B) Twice
    (C) Three times
    (D) Never

15. What is the name of the device that converts computer output into a form that can be transmitted over a telephone line?
    (A) Teleport
    (B) Modem
    (C) Multiplexer
    (D) Concentrator

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