Term
| Defines interfaces between software and network communication functions. |
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Definition
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Term
| Standardizes user data formats for use between different types of systems. |
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Definition
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Term
| Manages user sessions and dialogues. |
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Definition
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Term
| Manages end-to-end message delivery over the network. |
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Definition
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Term
| Provides logical network addressing. |
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Definition
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Term
| Defines procedures for operating the communication link. |
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Definition
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Term
| Defines physical means of sending data over network devices. |
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Definition
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Term
| Provides standardized services such as file transfer between systems. |
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Definition
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Term
| Encodes and decodes user data; encrypts and decrypts data; compresses and decompresses data |
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Definition
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Term
| Manages links between applications. |
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Definition
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Term
| Can provide reliable and sequential packet delivery through error recovery and flow control mechanisms. |
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Definition
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Term
| Routes packets between networks based on logical addressing. |
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Definition
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Term
| Adds physical addresses to frame |
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Definition
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Term
| Detects frame transmit errors and provides a recovery mechanism. |
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Definition
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Term
| Interfaces between network medium and devices. |
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Definition
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Term
| Defines optical, electrical, and mechanical characteristics for both wired and wireless media. |
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Definition
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Term
| Includes all forms of electromagnetic transmission such as light, electricity, infrared, and radio waves. |
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Definition
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Term
| 1st layer of the TCP/IP Model |
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Definition
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Term
| 2nd layer of the TCP/IP Model |
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Definition
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Term
| 3rd layer of the TCP/IP model |
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Definition
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Term
| 4th layer of the TCP/IP model |
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Definition
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Term
| 1st Layer of the OSI model |
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Definition
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Term
| 2nd Layer of the OSI model |
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Definition
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Term
| 3rd Layer of the OSI model |
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Definition
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Term
| 4th layer of the OSI model |
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Definition
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Term
| 5th layer of the OSI model |
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Definition
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Term
| 6th layer of the OSI model |
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Definition
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Term
| 7th layer of the OSI model |
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Definition
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Term
| Media, signal and binary transmission |
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
| Reliability and flow control |
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Definition
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Term
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Definition
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Term
| Managing sessions between applications |
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Definition
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Term
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Definition
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Term
| Encryption and decryption |
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Definition
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Term
| Convert machine dependent data to machine independent data |
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Definition
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Term
| Network process to application |
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Definition
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Term
| Which layers are troubleshooting targets for a router? |
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Definition
| Physical, Data Link, Network, & Transport |
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Term
| Which layers are troubleshooting targets for a hub? |
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Definition
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Term
| Which layers are troubleshooting targets for a Standard Switch? |
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Definition
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Term
| Which layers are troubleshooting targets for a Firewall? |
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Definition
| Physical, Data Link, Network, & Transport |
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Term
| Which layers are troubleshooting targets for an end system? |
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Definition
| All 7 layers of the OSI Model. |
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Term
| Hubs are associated with which layer? |
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Definition
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Term
| Repeaters are associated with which layer? |
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Definition
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Term
| Twisted Pair Cables are associated with which layer? |
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Definition
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Term
| Electrical Signaling is associated with which layer? |
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Definition
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Term
| Radio Waves are associated with which layer? |
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Definition
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Term
| Frames are associated with which layer? |
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Definition
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Term
| Network Switching is associated with which layer? |
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Definition
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Term
| Ethernet is associated with which layer? |
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Definition
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Term
| MAC addresses are associated with which layer? |
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Definition
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Term
| NICs are associated with which layer? |
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Definition
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Term
| Packets are associated with which layer? |
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Definition
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Term
| Routing is associated with which layer? |
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Definition
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Term
| IP addresses are associated with which layer? |
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Definition
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Term
| UDP are associated with which layer? |
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Definition
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Term
| TCP are associated with which layer? |
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Definition
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Term
| Port Numbers are associated with which layer? |
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Definition
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Term
| HTTP are associated with which layer? |
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Definition
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Term
| SMTP are associated with which layer? |
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Definition
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Term
| Telnet is associated with which layer? |
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Definition
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Term
| FTP are associated with which layer? |
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Definition
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Term
| Client Software is associated with which layer? |
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Definition
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Term
| Which layer does the symptom of: Performance lower than baseline belong? |
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Definition
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Term
Which layer does the symptom of:
Loss of connectivity belong? |
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Definition
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Term
Which layer does the symptom of:
High collision counts belong? |
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Definition
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Term
| Which layer does the symptom of: Network bottlenecks or congestion belong? |
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Definition
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Term
Which layer does the symptom of:
High CPU utilization rates belong? |
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Definition
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Term
Which layer does the symptom of:
Console error messages belong? |
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Definition
| Physical Layer or Data Link Layer |
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Term
Which layer does the symptom of:
No functionality or connectivity at the Network Layer or above belong? |
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Definition
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Term
Which layer does the symptom of:
Network operating below baseline performance levels belong? |
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Definition
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Term
Which layer does the symptom of:
Excessive broadcasts belong? |
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Definition
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Term
What symptoms are caused by:
A failing UPS or power supply |
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Definition
| Intermittent loss of connectivity |
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Term
What symptoms are caused by:
Loose cables |
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Definition
| Intermittent loss of connectivity |
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Term
What symptoms are caused by:
Duplex mismatch |
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Definition
| Excessive collisions on an interface |
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Term
What symptoms are caused by:
Too many hosts on a shared network segment |
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Definition
| Excessive collisions on an interface |
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Term
What symptoms are caused by:
No keepalive signals are being received |
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Definition
| Console message indicating a protocol is down |
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Term
What symptoms are caused by:
Encapsulation mismatch |
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Definition
| Console message indicating a protocol is down |
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