Welcome to Networking Quiz, Entry Level !!

Question 1. Your company has a LAN in its downtown office and has now set up a LAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device(s) are needed to connect them? Choose the most correct answer.

modem

cable

Hub

Router

Question 2. Which of the following is used for modulation and demodulation?

modem

protocols

gateway

multiplexer

Question 3. What makes optical fibers immune to EMI?

They transmit signals in as light rather than electric current.

They are too small for magnetic fields to introduce current in them.

Magnetic fields cannot penetrate the glass of the fiber.

They are readily sheilded by outer conductors in cable.

Question 4. Which of the following layer protocols are responsible for user and the application programmer support such as passwords, resource sharing, file transfer and network management?

Layer 7 protocols

Layer 6 protocols

Layer 5 protocols

Layer 4 protocols

Question 5. What is the default subnet mask for a class C network?

127.0.0.1

255.0.0.0

255.255.255.0

255.255.0.0

Question 6. Which layer of OSI determines the interface of the system with the user?

network

application

data-link

session

Question 7. A remote batch-processing operation in which data is solely input to a central computer would require a:

telegraph line

simplex lines

mixedband channel

none of the above

Question 8. What device separates a single network into two segments but lets the two segments appear as one to higher protocols?

switch

bridge

Gateway

Router

Question 9. What frequency range is used for FM radio transmission?

Very Low Frequency : 3 kHz to 30 kHz

Low Frequency : 30 kHz to 300 kHz

High Frequency : 3 MHz to 30 MHz

Very High Frequency : 30 MHz to 300 MHz

Question 10. The Internet Control Message Protocol (ICMP)

allows gateways to send error a control messages to other gateways or hosts

provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another

only reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem

All of the above