This OSI Reference Model \u2013 Practice Test explores the seven-layer model standardized by ISO, focusing on functions and protocols like SMTP and FTP at various layers. It assesses understanding of layer-specific roles and data handling, essential for networking professionals.
Conversation steering
Conversation steering in half-duplex mode
Establishes, maintains and manages sessions between applications
Conversation negotiations
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SMTP, TELNET, FTP, CMIP
NetBIOS, LAT, DDP, SNA
IP, IPX, DDP
SDLC, LAT, NETBIOS
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TFTP, SMTP, SNMP, TELNET
NetBIOS names, SNA Session, NFS, Xwindows, RPC, SQL
JPEG, PIC, MPEG, QTIME, ASN.1, SMB, NCP
TCP, UDP,CON, CNLS, SPX
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Switches
Bridges
Hubs
Routers
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Data
Packets
Segments
Bits
Frames
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SNAP and SAP sublayers
LLC and SAP sublayers
LLC and MAC sublayers
LLC and SNAP sublayers
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ISO standards committee
ITU standards committee
IEEE standards committee
ANSI standards committee
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Provides data representation and format to the Application Layer
Provides presentation services to the Presentation Layer.
Converts application data to binary.
Converts application data to EBCDIC.
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Provides network services to user applications
Provides desktop connectivity to the LAN
Provides desktop connectivity to the WAN
None of the above
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LAT, NETBIOS, IP, DDP
NetBIOS, LAT, DDP, SNA
IP, IPX, DDP
SDLC, LAT, NETBIOS
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Switches
Bridges
Hubs
Routers
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TFTP, SMTP, SNMP, TELNET
NetBIOS, LAT, DDP, SNA
JPEG, PIC, MPEG, QTIME, ASN.1, SMB, NCP
SDLC, LAT, NETBIOS
Management of streaming data
Segments and reassembles data into a data stream
Always guarantees delivery
Never guarantees delivery
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Data
Packets
Segments
Bits
Frames
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TFTP, SMTP, SNMP, TELNET
NetBIOS names, SNA Session, NFS, Xwindows, RPC, SQL
JPEG, PIC, MPEG, QTIME, ASN.1, SMB, NCP
SDLC, LAT, NETBIOS
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Data
Packets
Segments
Bits
Frames
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Data
Packets
Segments
Bits
Frames
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10BASET, 100BASET, 100BASEFX, EIA/TIA-232, EIA/TIA-449, X.21
Manchester encoding, bi-polar encoding, differential Manchester encoding
Manchester Differential encoding, non return to zero, RS-232
None of the above
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Manages device addressing and tracks location of devices on the network
Manage the connectivity of all networks within an anonymous system
Manage the availability of all networks within an anonymous system
All of the above
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Data
Packets
Segments
Bits
Frames
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Provides access to the physical media.
Describes the framing standard.
Describes the error correction mechanism that will be used.
None of the above.
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Ethernet has a length field and the IEEE 802.3 frame has a type field.
Ethernet has a type field and the IEEE 802.3 frame has a length field.
The preamble field is larger in the Ethernet Frame.
The preamble field is smaller in the Ethernet Frame.
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Provides the electrical, mechanical, procedural and functional means for activating and maintaining the physical link between systems.
Binary transmission
Physical Layer encoding
All of the above
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Ethernet type field
Length field
LLC header
None of the above
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Switches
Bridges
Hubs
Routers
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Ethernet
IEEE 802.3
Frame-Relay
HDLC
PPP
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