Chapter 11 Quizz

_______: is a set of rules and restrictions that define how data is transmitted over a network medium.   

¿How many layers does the ISO model have?

WEP is an outdated encryption protocol used to secure wireless networks? 

• True

• False

Some converged protocols are? 

• Voice Over IP 

• SYN attacks 

• Internet Protocol 

• WPA2 

Multiprotocol Label Switching is a protocol used to carry voice traffic over IP networks, replacing traditional telephone systems? 

• True

• False

Why are Switches better than Hubs?

• Because they connect network segments that use the same protocol

• Because they to strengthen the communication signal

• Because they repeat traffic only out of the port on which the destination is known to exist

• Because they repeat traffic on every outbound port 

For what are the firewalls used? 

• To filter traffic based on defined rules (set of instructions). 

• To connect network segments. 

• To control traffic flow on networks. 

• For transferring traffic from one network to another. 

Wireless communications employ radio waves to transmit signals over a distance? 

• True

• False

What subtechnologies determine how many destinations a single transmission can reach? 

• Baseband and Broadband 

• Broadcast, Multicast, and Unicast 

• Synchronous and Asynchronous 

• Analog and Digital 

Which wireless techonogy scans the 2.4 GHz radio frequencies? 

• RFID 

• NFC 

• Bluetooth 

• Cordless Phones