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1 | |
Which of the following OSI layers converts the
ones and zeroes to electrical signals and places
these signals on the cable? |
| | A) | Physical layer |
| | B) | Transport layer |
| | C) | Network layer |
| | D) | Data Link layer |
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2 | |
The term “unshielded twisted pair" describes which of the following network components? |
| | A) | Cable |
| | B) | Hub |
| | C) | Router |
| | D) | NIC |
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3 | |
From the options that follow, select the one
that best describes the contents of a typical (simplified) network frame. |
| | A) | Sender’s MAC address, recipient’s MAC address, data, FCS |
| | B) | Recipient’s MAC address, sender’s MAC address, data, FCS |
| | C) | Recipient’s IP address, sender’s IP address, data, FCS |
| | D) | Recipient’s e-mail address, sender’s e-mail address, data, FCS |
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4 | |
Which of the following is most likely to be a MAC address assigned to a NIC? |
| | A) | 192.168.1.121 |
| | B) | 24.17.232.7B |
| | C) | 23.4F.17.8A.4C.10 |
| | D) | 713.555.1212 |
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5 | |
Which layer of the TCP/IP model involves routing? |
| | A) | Link layer |
| | B) | Transport layer |
| | C) | Internet layer |
| | D) | Application layer |
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6 | |
How much data can a typical frame contain? |
| | A) | 500 bytes |
| | B) | 1500 bytes |
| | C) | 1500 kilobytes |
| | D) | 1 megabyte |
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7 | |
Which of the following best describes an IP address? |
| | A) | A unique dotted decimal notation burned into every NIC |
| | B) | A unique 48-bit identifying number burned into every NIC |
| | C) | A dotted decimal notation assigned to a NIC by software |
| | D) | A 48-bit identifying number assigned to a NIC by software |
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8 | |
Which layer of the OSI model makes sure the data is in a readable format for the Application layer? |
| | A) | Application layer |
| | B) | Presentation layer |
| | C) | Session layer |
| | D) | Transport layer |
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9 | |
At which layer of the TCP/IP model are UDP datagrams created? |
| | A) | Link/Network Interface |
| | B) | Internet |
| | C) | Transport |
| | D) | Application |
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10 | |
Which protocol creates the final IP packet? |
| | A) | NIC |
| | B) | IP |
| | C) | TCP |
| | D) | UDP |
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11 | |
Which TCP/IP layer includes Layers 5–7 from the OSI seven-layer model? |
| | A) | Application layer |
| | B) | Transport layer |
| | C) | Internet layer |
| | D) | Link layer |
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12 | |
What component of Layer 2 of the OSI sevenlayer model is responsible for the ordered delivery of frames, including retransmission of missing or corrupt packets? |
| | A) | MAC sublayer |
| | B) | LLC sublayer |
| | C) | CRC sublayer |
| | D) | Data Link sublayer |
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13 | |
Which components work at Layer 1 of the OSI seven-layer model? |
| | A) | Cables |
| | B) | Hub |
| | C) | Network protocol |
| | D) | Session software |
| | E) | Answers A and B |
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14 | |
Andalyn says complete 48-bit MAC addresses are allocated to NIC manufacturers from the IEEE. Buster says the IEEE only assigns the first 24 bits to manufacturers. Carlos says the IEEE assigns only the last 24 bits to manufacturers.
Who is correct? |
| | A) | Only Andalyn is correct. |
| | B) | Only Buster is correct. |
| | C) | Only Carlos is correct. |
| | D) | No one is correct. |
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15 | |
If a sending system does not know the MAC address of the intended recipient system, it sends a broadcast frame with what MAC address? |
| | A) | 192.168.0.0 |
| | B) | FF-FF-FF-FF-FF-FF |
| | C) | 11-11-11-11-11-11 |
| | D) | 00-00-00-00-00-00 |
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