Internetwork Devices

Question 1

Which of the two following tasks to routers perform?

– Route data based on hardware device addresses
– Maintain information about paths through an internetwork
– Multiplex signals onto the same transmission media
– Identify devices through hardware addresses
– Control access to the transmission media
– Route data based on logical network addresses

Answer 1

– Maintain information about paths through an internetwork

– Route data based on logical network addresses

Question 2

You are the network administrator for a small organization recently, Yukon contracted with an ISP to connect your organization’s network to the Internet to provide users with Internet access. Since doing so, it is come to your attention that intruder has invaded your network from the Internet on three separate occasions.

What type of network hardware should you implement to prevent this from happening again?

Switch
Router
Firewall 
CSU/DSU
Hub
Proxy server

Answer 2

Firewall

Question 3

You are the administrator of your company’s network. You want to prevent unauthorized access to your intranet from the Internet. Which of the following should you implement.

ICS
Proxy Server
Firewall
Packet Internet Groper

Answer 3

Firewall

Question 4

At which of the following OSI layers does a router operate

Layer 1
Layer 2
Layer 3
Layer 4

Answer 4

Layer 3

Question 5

Which of the following is the best device to deploy to protect your private network from a public untrusted network .

Hub
Firewall
Gateway
Router

Answer 5

Firewall

Question 6

At what OSI layer does a router operate to forward network messages?

Network 
Session 
Physical 
Transport 
Data Link

Answer 6

Network

Question 7

Which of the following hardware devices links multiple networks and directs traffic between networks?

Bridge
Repeter
Router
Hub

Answer 7

Router