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Learning by Doing: CISCO Certified Network ... - SCN Research

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6. Which of the following definitions best describes what a frame is?<br />

A. Router or access server, or several routers or access servers, designated as<br />

a buffer between any connected public networks and a private network. It<br />

ensures security of the private network.<br />

B. 32-bit address assigned to hosts using TCP/IP. It belongs to one of five<br />

classes and is written as 4 octets separated with periods.<br />

C. Logical grouping of information sent as a data link layer unit over a<br />

transmission medium.<br />

D. Something used with art to give it another unique perspective.<br />

7. At which of the following layers of the OSI model does routing occur?<br />

A. Physical layer<br />

B. Data link layer<br />

C. <strong>Network</strong> layer<br />

D. Transport layer<br />

8. At which of the following layers of the OSI model does bridging occur?<br />

A. Physical layer<br />

B. Data link layer<br />

C. <strong>Network</strong> layer<br />

D. Transport layer<br />

9. At which of the following layers of the OSI model is the MAC address located?<br />

A. Physical layer<br />

B. Data link layer<br />

C. <strong>Network</strong> layer<br />

D. Transport layer<br />

10. If a workstation is moved within a network, then what will happen to its MAC and IP<br />

addresses?<br />

A. its MAC address and IP address will stay the same<br />

B. its MAC address will change but the IP address will stay the same<br />

C. its IP address will change but the MAC address will stay the same<br />

D. both IP and MAC address will change<br />

11. If a workstation is moved from one network to another network, then what will<br />

happen to its MAC and IP addresses?<br />

A. its MAC address and IP address will stay the same<br />

B. its MAC address will change but the IP address will stay the same<br />

C. its IP address will change but the MAC address will stay the same<br />

D. both IP and MAC address will change<br />

91

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