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20 Multiple choice questions
Definition 1 of 20
fiber, copper, radio, satellite
Computer Hosts
Servers
Physical Link
Communication Links
Definition 2 of 20
When one end system has data to send to another end system, the sending end system
segments the data and adds header bytes to each segment. Then these packets are sent
through the network to the destination end system, where they are reassembled into the
original data.
Packets
Bytes
Servers
Routers
Definition 3 of 20
How end systems access the Internet; each ISP is in itself a network of packet switches and
communication links.
Government contractors
Digital Subscriber Line Access Multiplexer (DSLAM)
Servers
Internet Service Providers (ISP)
, Definition 4 of 20
1. Application - supporting network applications (i.e. FTP, SMTP, HTTP)
2. Transport - transports application-layer messages between application endpoints (i.e. TSP,
UDP)
3. Network - routing of datagrams from source to destination (i.e. IP, routing protocols)
4. Link - data transfer between neighboring network elements; move entire frames from one
network element to an adjacent network element (i.e. Ethernet, 802.11 (WiFi), PPP)
5. Physical - bits "on the wire"; Moves the individual bits within the frame from one node to the
next.
(Missing two layers that ISO/OSI has) - if these 2 extra layers are needed, then they must be
implemented in Application
Requests for Comments (RFCs)
Link-layer switches
Fiber to the Home (FTTH)
Internet Protocol (IP) Stack
Definition 5 of 20
One of the two most prevalent types of broadband residential access.
A residence will typically obtain DSL Internet access from the same local telephone company
that provides its wired local phone access.
The DSL modem takes digital data and translates it into high-frequency tones for transmission
over telephone wires to the telephone company's local central office (CO). Then the analog
signals are translated back into digital format at the DSLAM (Digital Subscriber Line Access
Multiplexer)
Carrier-ethernet transport (cet)
Broadband over power line (bpl)
Digital Subscriber Line (DSL)
Hypertext Transfer Protocol (http)
20 Multiple choice questions
Definition 1 of 20
fiber, copper, radio, satellite
Computer Hosts
Servers
Physical Link
Communication Links
Definition 2 of 20
When one end system has data to send to another end system, the sending end system
segments the data and adds header bytes to each segment. Then these packets are sent
through the network to the destination end system, where they are reassembled into the
original data.
Packets
Bytes
Servers
Routers
Definition 3 of 20
How end systems access the Internet; each ISP is in itself a network of packet switches and
communication links.
Government contractors
Digital Subscriber Line Access Multiplexer (DSLAM)
Servers
Internet Service Providers (ISP)
, Definition 4 of 20
1. Application - supporting network applications (i.e. FTP, SMTP, HTTP)
2. Transport - transports application-layer messages between application endpoints (i.e. TSP,
UDP)
3. Network - routing of datagrams from source to destination (i.e. IP, routing protocols)
4. Link - data transfer between neighboring network elements; move entire frames from one
network element to an adjacent network element (i.e. Ethernet, 802.11 (WiFi), PPP)
5. Physical - bits "on the wire"; Moves the individual bits within the frame from one node to the
next.
(Missing two layers that ISO/OSI has) - if these 2 extra layers are needed, then they must be
implemented in Application
Requests for Comments (RFCs)
Link-layer switches
Fiber to the Home (FTTH)
Internet Protocol (IP) Stack
Definition 5 of 20
One of the two most prevalent types of broadband residential access.
A residence will typically obtain DSL Internet access from the same local telephone company
that provides its wired local phone access.
The DSL modem takes digital data and translates it into high-frequency tones for transmission
over telephone wires to the telephone company's local central office (CO). Then the analog
signals are translated back into digital format at the DSLAM (Digital Subscriber Line Access
Multiplexer)
Carrier-ethernet transport (cet)
Broadband over power line (bpl)
Digital Subscriber Line (DSL)
Hypertext Transfer Protocol (http)
