Term
| What are the 4 layers of the DOD( Department of Defense) |
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Definition
Process/Application Layer
Host to Host Layer
Internet Layer
Network Access Layer |
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Term
| Thr Process/Application layer refers to which three layers of the OSI model |
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Definition
| Application, Presentation, Session |
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Term
| Which layer does the Host - to - Host layer refer to of the OSI model |
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Definition
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Term
| Which layer does the Internet layer refer to of the OSI model |
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Definition
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Term
| Which two layers does the Network Access layer refer to of the OSI model |
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Definition
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Term
| What are the protocols that are listed in the Process/Application layer of the DoD model |
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Definition
| Telnet, FTP, LDP, SNMP, TFTP, SMTP, NFS, X Window |
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Term
| WHat are the Host - to - Host layer protocols |
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Definition
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Term
| What are Port Numbers used for |
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Definition
| Used by UDP and TCP to communicate with the upper layers |
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Term
| What are the well knows port numbers |
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Definition
| Port numbers below 1024 defined in RFC 3232 |
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Term
| what do ports greater than 1024 represent |
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Definition
| Used to setup sessions with other hosts by TCP and use source and destination addresses. |
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Term
| What are the internet layer protocols |
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Definition
| IP, ICMP, ARP, RARP, Proxy ARP |
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Term
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Definition
| Internet Control Message Protocol - They provide hosts with network problems and are encapsulated within IP Datagrams |
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Term
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Definition
| Address Resolution Protocol: Finds hardware address of a known IP address |
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Term
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Definition
| Reverse Address Resoltion Protocol: Discovers IP Address of diskless machines using the MAC Address. |
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Term
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Definition
| INcase the only default gateway goes down, Proxy ARP allows devices to reach different subnets without having to be reconfigured. |
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Term
| What is the Class A Address range |
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Definition
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Term
| What is the class B Address range |
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Definition
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Term
| What is the Class C Address range |
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Definition
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Term
| What is the Class D & E Address ranges |
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Definition
224 - 255
Class D(224-239) is used for mulicast address.
Class E (240-255) is used for scientific purposes |
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Term
| What does all 0's in the network address mean? |
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Definition
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Term
| What does all 1's in the network address maen |
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Definition
| All networks. 255.255.255.255 |
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Term
| What is the reserved address spaces for Class A |
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Definition
| 10.0.0.0 - 10.255.255.255 |
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Term
| What is the reserved address space for Class B |
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Definition
| 172.16.0.0 - 172.31.255.255 |
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Term
| What is the reserved address space for Class C |
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Definition
| 192.168.0.0 0 192.168.255.255 |
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Term
| Which layer 4 protocol is used for a telnet connection? |
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Definition
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Term
| What does SMTP, FTP and HTTP have in common |
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Definition
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Term
| What does DHCP, SNMP & TFTP all have in common? |
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Definition
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