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45 Cards in this Set
- Front
- Back
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What does OSI stand for? |
Open System Interconnection |
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What are the Seven Layers to the OSI Model? |
7- Application 6- Presentation 5- Session 4- Transport 3- Network 2- Data Link 1- Physical |
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On what layer do we have email protocols? |
Layer 7- Application |
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What are the most commonly used protocols in the Transport layer? (L4) |
TCP (Transmission Control Protocol) UDP (User Datagram Protocol) |
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What layer is about switches and uses MAC addresses? |
Layer 2 - Data Link |
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What layer is responsible for communication and message delivery between network hosts? |
Layer 4 -Transport |
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Bluetooth Ethernet DSL ISDN 802.11 Wi-Fi These work in what layer? |
Physical Layer (L1) |
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What layer is Responsible for translation, conversion, compression and encryption? |
Layer 6 - Presentation |
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ARP ATM CDP FDDI Frame Relay HDLC MPLS PPP STP Token Ring These protocols work in what layer? |
Data Link Layer (L2)
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What layer is responsible for translating the logical network address and names into their physical address (MAC) |
Layer 3 - Network |
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NetBios NFS PAP SCP SQL These Protocols work in what layer? |
Session Layer (L5) OSI |
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Which layer is responsible for establishing, managing, and ending the sessions across the network? |
Layer 5 - Session |
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In which layer do we have Ethernet? |
Layer 1 -Physical |
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Hubs, repeaters and network adapters are on what layer? |
Layer 1 -Physical |
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ICMP IGMP IPsec IPv4 IPv6 IPX RIP These protocols work in what layer? |
Network Layer (L3)
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DNS, DHCP, FTP, HTTPS, HTTP, IMAP, LDAP, NTP, POP3, RTP, STPS, SSH, SIP, SMTP, TELNET, TFTP These protocols work in what layer? |
Application Layer (L7) |
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What is the PDU of layer 2? |
Frames |
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What is the PDU of layer 4 |
Segments |
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What is the PDU of layer 3 |
Packets |
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JPEG MIDI MPEG TIFF PICT These work in what layer? |
Presentation Layer (L6) |
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What is the PDU of layer 1 |
Bits |
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Logical IP addressing Routing Routers operate at this layer Protocol Data Unit is packets |
Layer 3 - Network |
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Physical addressing (MAC) Can calculate checksum Switches and bridges operate at this layer PDU is frames |
Layer 2 - Data Link |
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ARP operates at which layer of the OSI model? |
Layer 2 - Data Link |
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HTTP operates on what layer of the OSI model? |
Layer 7- Application |
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TCPoperates on what layer of the OSI model? |
Layer 4 -Transport |
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Which layer of the OSI model controls the reliability of communications between network devices using flow control, sequencing and acknowledgments? A. Physical B. Data-link C. Transport D. Network |
Answer: CExplanationTransmission Control Protocol (TCP) has all the features mentioned above and TCP resides in Transport Layer (Layer 4) of the OSI model. |
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Which OSI layer header contains the address of a destination host that is on another network? A. application B. session C. transport D. network E. data link F. physical |
D - Network |
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Windowing happens in what layer? |
Layer 4 -Transport |
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Formatting and delivery happens in what layer? |
Layer 6 - Presentation |
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Telnet protocol is in what layer? |
Layer 7- Application |
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PPP protocol is in what layer? |
Layer 2 - Data Link |
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EIGRP is in what layer? |
Layer 3 - Network |
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RIP is in what layer? |
Layer 3 - Network |
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In which layer can we see voltage |
Layer 1 -Physical |
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What layer does Frame Relay? |
Layer 2 - Data Link |
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Formats the data to be presented to the Application layer. It can be viewed as the "Translator" for the network |
Layer 6 - Presentation |
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Controls the operations of the subnet, deciding which physical path the data takes |
Layer 3 - Network |
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Serves as the window for users and application processes to access the network services |
Layer 7- Application |
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What layer does Host to host, Flow Control |
Layer 4 -Transport |
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Coax, Fiber, Wireless are in what layer? |
Layer 1 -Physical |
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What layer is responsible for: Identifying Service Multiplexing +De-multiplexing Segmentation Sequencing + Reassembling Error correction Flow control |
Layer 4 -Transport |
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This layer deals with physical transmission of binary data on the given media (fiber, copper, etc.) Deals with electrical, mechanical and functional specifications of devices, media, etc. |
Layer 1 -Physical |
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This layer is responsible for end-to-end data delivery between devices on a data segment. It deals with Hardware addresses (MAC) It provides error detection using CRC and FRAMING |
Layer 2 - Data Link |
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Congestion Avoidance happens in which layer? |
Layer 4 -Transport |
