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. 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 3. Which of the following is not a reason to use fiber-optic cables for point to point data transmission?

Need to assure data security.

Avoidance of ground loops.

Data-transfer rates too low to use metal cables.

Elimination of spark hazards.

Question 4. 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 5. 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 6. 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

Question 7. contention is ?

One or more conductors that serve as a common connection for a related group of devices

a continuous frequency capable of being modulated or impressed with a second signal

the condition when two or more stations attempt to use the same channel at the same time

a collection of interconnected functional units that provides a data communications service among stations attached to the network

Question 8. When you ping the loopback address, a packet is sent where?

on the network

Down through the layers of the IP architecture and then up the layers again

Across the wire

through the loopback dongle

Question 9. 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 10. The communication mode that supports two-way traffic but only one direction at a time is

simplex

duplex

multiplex

half-duplex