Unit 3 Problem Set 1 Unit 3 Problems

Lesson 5
Connecting to a Network
Knowledge Assessment
Fill in the Blank
Complete the following sentences by writing the correct word or words in the blanks provided.
1. A software routine, which also acts as a filter that blocks certain type of incoming and outgoing traffic, while enabling other types is called a __________________. firewall 2. The __________________ tool provides a central access point for all of the network controls and connections on a computer running Windows 7.
Network and Sharing Center
3. A device that connects one network to another is called a __________________. router 4. The most common method for illustrating the operations of a networking stack is the __________________, which consists of __________________ layers.
Open Systems Interconnection (OSI) reference model, seven
5. Protocols that do not guarantee delivery of their data, but do operate with a very low overhead that conserve network bandwidth are called __________________. connectionless protocols
6. The Windows 7 command-line utility that can tell you if the TCP/IP stack of another system on the network is functioning normally is called __________________.
Ping.exe
7. The Windows 7 command-line utility that enables you to generate DNS request messages and then transmit them to specific DNS servers on the network is called __________________.
Nslookup.exe
8. Most networks use __________________ to dynamically assign addresses and configure computers to use them.
Dynamic Host Configuration Protocol (DHCP)
9. The Windows 7 utility that displays a list of the routers currently forwarding packets to a particular destination is called __________________.
Tracert.exe
10. The top and bottom layers of the OSI model are called the __________________ and ________________ layers. application and physical
True / False
Circle T if the statement is true or F if the