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In ________________________, a protocol on one router communicates with the same protocol running on neighbor routers. The routers then update each other about all the networks they know about and place this information into the routing table.

_____________________ allows us to have both our analog voice and digital data carried on the same network cable or physical medium. It sends multiple frequencies of different signals down the same wire at the same time.

The _________topology consists of two distinct and terminated ends, with each of its computers connecting to one unbroken cable running its entire length.

_____________ refers to a network that encompasses several buildings. It comprises the part of the network where data, services and connectivity to the outside world is provided to those who work in the corporate office or headquarters.

A_______________________  uses aspects of both distance vector and link state, and formerly, EIGRP was the only one you needed to understand to meet the Network+ objectives. 

The _________________ is responsible for setting up, managing, and then tearing down sessions between Presentation layer entities. 

________________________________  (ping) Uses an Internet Control Message Protocol (ICMP) echo request and replies to test if a host IP stack is initialized and alive on the network.

A ____________________  is the designation used in routing to send packets to a remote network—for example, 10.0.0.0, 172.16.0.0, and 192.168.10.0.

_______________________________  (CIDR). It’s basically the method that Internet service providers (ISPs) use to allocate a number of addresses to a company or a home connection.

Your network is connected to the Internet. As the network administrator, you install packet filtering on the router that connects your network to the Internet. After you configure packet filtering, users on the network are no longer able to download files. What did you do to create this problem?