Chapter 1 - Introduction to Networks

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Which of the following is an example of a LAN? A. Ten buildings interconnected by Ethernet connections over fiber-optic cabling B. Ten routers interconnected by frame-relay circuits C. Two routers interconnected with a T1 circuit D. A computer connected to another computer so they can share resources

A computer connected to another computer so they can share resources

What advantage does the client-server architecture have over peer-to-peer? A. Easier maintenance B. Greater organization C. Tighter security D. All of the above

All of the above

What is a difference between a LAN and a WAN? A. WANs need a special type of router port. B. WANs cover larger geographical areas. C. WANs can utilize either private or public data transport. D. All of the above.

All of the above

When designing a network and deciding which type of network topology to use, which item(s) should be considered? (Select all that apply.) A. Cost B. Ease of installation C. Ease of maintenance D. Fault-tolerance requirements

All the answers are correct

You need a network that provides centralized authentication for your users. Which of the following logical topologies should you use?

Client/Server

You have a network with multiple devices and need to have a smaller broadcast domain while working with a tight budget. Which of the following is the best solution? A. Use static IP addresses B. Add more hubs C. Implement more switches D. Create VLANs

Create VLANS

Which network topology is a combination of two or more types of physical or two or more types of logical topologies? A. Point-to-multipoint B. Hybrid C. Bus D. Star

Hybrid

Which of the following physical topolgies has the least likelihood of having a collision? A. Bus B. Start C. Ring D. Mesh

Mesh

Which type of topology has the greatest number of physical connections? A. Point-to-multipoint B. Star C. Point-to-point D. Mesh

Mesh

In a physical-star topology, what happens when a workstation loses its physical connection to another device?

Only that workstation loses its ability to communicate

In what type of network are all computers considered equals and do they not share any central authority? A. Peer-to-peer B. Client-server C. Physical topology D. None of the above

Peer-to-peer

What type of topology gives you a direct connection between two routers so that there is one communication path? A. Point-to-point B. Star C. Bus D. Straight

Point-to-Point

You need a topology that is scalable to use in your network. Which of the following will you install?

Star

Which of the following is a concern when using peer-to-peer networks? A. Where to place the server B. Whose computer is least busy and can act as the server C. The security associated with such a network D. Having enough peers to support creating such a network

The security associated with such a network

What is a logical grouping of network users and resources connected to administratively defined ports on a switch?

VLAN

You want to remotely log into an office computer using remote desktop in a secure manner. Which of the following should you use? A. VPN B. Tagged packets C. VLANs D. Telnet E. SSH

VPN

What does the acronym VPN stand for? A. Virtual processor network B. Virtual passive network C. Virtual private network D. Variable-length private network

Virtual Private Network

Which of the following is an example of when a point-to-multipoint network is called for? A. When a centralized office needs to communicate with many branch offices B. When a full mesh of WAN links is in place C. When multiple offices are daisy-chained to one another in a line D. When there are only two nodes in the network to be connected

When a centralized office needs to communicate with man branch offices

Which of the following is a disadvantage of the star topology? A. When a port on the central concentrating device fails, the attached end device loses connectivity to the rest of the network. B. When the central concentrating device experiences a complete failure, all attached devices lose connectivity to the rest of the network. C. In a star topology, a more expensive type of host must be used when compared to the host used when implementing a physical bus. D. It is more difficult to add stations and troubleshoot than with other topologies.

When the central concentrating device experiences a complete failure, all attached devices lose connectivity to the rest of the network

An example of a hybrid network is which of the following? A. Ethernet B. Ring topology C. Bus topology D. Star topology

ethernet


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