Chapter 1
wired LANS run at speeds from
0.1 Gbps to 1,000 Mbps
1 kilobits/s (Kbps) bit rate is _____________ bits per second
1000
1 mbps is what in bps
1000000
A 1 gigabits/s (Gbps) bit rate is _____________ bits per second
1000000000
In the TCP/IP model, an FTP server uses in general this (these) port number(s) at the transport layer.
21 & 20
In the TCP/IP model, an SSH server uses in general this (these) port number(s) at the transport layer
22
The number of layers that the TCP/IP Reference Model specifies explicitly is ________ .
4
The OSI reference model has____ end-to-end layers and ___ point-to-point layers.
4 and 3
In the TCP/IP model, a DNS server uses in general this (these) port number(s) at the transport layer
53
In the TCP/IP model, an HTTP server uses in general this (these) port number(s) at the transport layer.
80
Flow control insures that
A sender does not overwhelm the receiver
In the TCP/IP Reference Model, your laptop uses this (these) layer(s) when you are configuring your wireless router/access point using a browser.
ALL 4
In the TCP/IP Reference Model, your laptop uses this (these) layer(s) when you are browsing the Internet (using an application like Firefox, Chrome, or Internet Explorer).
APPLICATION , TRANSPORT, INTERNET, LINK
The purpose of each layer is to offer services to the layer just ________ it.
Above
Design issue that consists of identifying the sender and receiver
Addressing
In the TCP/IP Reference Model, the youtube server uses this (these) layer(s) when streaming to you videos
All 4
In the OSI Reference Model, your wireless router/access point uses this (these) layer(s) when you are configuring it using a browser.
All 7
the OSI Reference Model, your laptop uses this (these) layer(s) when you are browsing the Internet (using an application like Firefox, Chrome, or Internet Explorer).
All 7
the OSI Reference Model, your laptop uses this (these) layer(s) when you are configuring your wireless router/access point using a browser.
All 7
In the OSI reference model, these layers are active only on devices at the end points of a conversation.
All 7 layers
Key objectives of a layered design
Allows to conquer by aggregating separate services Simplify a complex function/service by partitioning it into smaller functions The serviced layer does not have to worry about the details belonging to the serving layer (service provider)
In the OSI reference model, this layer is an intruder (i.e., it does not belong within this list of options). Application Physical Data Link Network
Application
In the OSI reference model, this layer is the closest to the "user"
Application
In the TCP/IP Reference Model, these layers are mostly implemented by software on most hosts (clients or servers).
Application , transport , Internet
In the OSI reference model, these layers are end-to-end layers.
Application, presentation, session, transport
In the OSI Reference Model, these layers are mostly implemented by software on most hosts (clients or servers).
Apstn
Each layer requests service(s) from the layer just ________ it
Below
Check the protocol(s) that belong(s) to the physical layer
Both IEEE
the design issue that consists of avoiding that a sender overwhelms the intermediary nodes.
Congestion control
Transmission lines on WANs are in general made of
Copper wire, optical fiber, radio links
protocol(s) are used at the Application layer in the TCP/IP Reference model.
DNS and smtp
In the OSI reference model, this layer is an intruder (i.e., it does not belong within this list of options) Application Transport Data Link Presentation
Data Link
In the OSI Reference Model, a bridge uses this (these) layer(s) when carrying a conversation.
Data Link & physical
This issue is not a network software issue Error detection or correction Routing Energy/Power management None of these answers Addressing, naming
Energy/power management
the design issue that consists of correcting errors in the received information.
Error correction
the design issue that consists of finding errors in the received information.
Error detection
On networks, the machines that run users programs (applications) are most likely called ________.
Host(desktops)
protocol(s) that belong(s) to the presentation layer
IEEE 754
Your wireless network at home (to access the Internet) uses most likely the ________ standard.
IEEE 802.11
protocol(s) are used at the Link layer in the TCP/IP Reference model.
IEEE 802.11 Ethernet
protocol(s) that belong(s) to the data link layer
IEEE 802.11 & IEEE 802.3
A popular wireless MAN uses the ___________ standard.
IEEE 802.16
Ethernet uses the ____________ standard
IEEE 802.3
protocol(s) that belong(s) to the physical layer
IEEE 802.3 (Ethernet)
protocol(s) are used at the Internet (Network) layer in the TCP/IP Reference model.
IP and ICMP
A network is a set of ___________ devices which can communicate
Independent
In the TCP/IP model, UDP uses this (these) protocol(s) at the network (Internet) layer
Ipv4 and IPv6
Your wireless network at home is a _
LAN
To reduce their design complexity, most networks architectures are organized as
Layers, levels, stacks
To reduce their design complexity, most networks architectures are organized as
Levels, layers, stacks
In the TCP/IP Reference Model, a bridge uses this (these) layer(s) when carrying a conversation.
Link
In the TCP/IP Reference Model, an L2 switch uses this (these) layer(s) when carrying a conversation
Link
In the TCP/IP Reference Model, these layers are mostly implemented by hardware on most hosts (clients or servers). OSI?
Link Internet, link, physical
In the TCP/IP Reference Model, your Bluetooth interface uses this (these) layer(s) when you are browsing the Internet
Link : OSI ( link and physical)
In the TCP/IP Reference Model, your Ethernet interface uses this (these) layer(s) when you are browsing the Internet
Link and internet(maybe)
In the TCP/IP Reference Model, your wireless router/access point uses this (these) layer(s) when it is forwarding your streaming traffic. For OSI
Link, network Physical, data link, network, transport, session (maybe all)
The data link layers has two sublayers: link and control.
Logical link and medium access control
On a ______________ network, frames (packets) sent by any machine on that link are received (heard) by a subset of machines
Multicast
Header is a message exchange between layer n and layer
N
A set of layers and protocols is called
Network architecture
In the TCP/IP model, TCP uses this (these) protocol(s) at the application layer.
None
A local area network (LAN) is a network covering typically
One room, one small building
Bluetooth is a technology that could work for these types of networks
PAN LAN
Layers at the same level on two communicating machines
Peer layers
In the OSI Reference Model, a repeater uses this (these) layer(s) when carrying a conversation
Physical
In the OSI reference model, the [name1] layer provides service directly to the data link layer.
Physical
OSI Reference Model, an L2 switch uses this (these) layer(s) when carrying a conversation
Physical & Data Link
For a conversation, these layers may be active on all intermediary devices in the OSI reference model
Physical, Data Link, Network
In the OSI reference model, these layers are point to point layers.
Physical, data link, network
the OSI Reference Model, an L3 switch uses this (these) layer(s) when carrying a conversation.
Point to point
In the OSI Reference Model, your Ethernet interface uses this (these) layer(s) when you are browsing the Internet
Point to point.. maybe all 7
In the OSI reference model, this layer deals with how different machines map data in memory. And to communicate
Presentation
A(n) __________ is a set of rules defining communications between peer layers
Protocol
Peer layers use a [name1] to communicate
Protocol
a set of rules defining communications between peer layers.
Protocol
A list of the protocols used by certain system, one protocol per layer, is called
Protocol stack
Match protocols to their original RFC :UDP
RFC 768
Match protocols to their original RFC: IP
RFC 791
Match protocols to their original RFC: ICMP
RFC 792
This (These) protocol(s) are used at the Application layer in the TCP/IP Reference model.
RTP HTTP
Flow control ensures that the sender does not overwhelm the
Receiver
Match protocols to their original RFC: TCP
Rfc 793
WANs, switches are called
Routers
Design issue consists of finding a path between a source host and destination host
Routing
protocol(s) that belong(s) to the application layer
SMTP SSH DNS HTTP
In the OSI reference model, the [name1] layer receives service directly from the transport layer
Session
FTP uses most of the time this protocol at the transport layer.
TCP
In the TCP/IP model, HTTP uses most of the time this protocol at the transport layer.
TCP
In the TCP/IP model, SMTP uses most of the time this protocol at the transport layer.
TCP
protocol(s) are used at the Transport layer in the TCP/IP Reference model.
TCP and UDP
Switches connect two or more
Transmission lines
TCP/IP model, DNS uses most of the time this protocol at the transport layer
UDP
a popular wireless MAN protocol
WiMAX
An interface defines the primitive operations and services between _________ layers.
adjacent
The application layer provides this (these) service(s).
communicates with the end user. allows the end users to use the network services.
The physical layer provides this (these) service(s)
deals with the mechanical/electrical characteristics of the transmission medium transmits on channels raw bits.
The data link layer provides this (these) service(s).
detects transmission errors. controls the access to the medium
TCP/IP Reference Model includes this (these) layer(s).
link, Ethernet, transport, application
The network layer provides this (these) service(s).
may handle congestion. finds paths between senders and receivers.
The application layer offers in general these services/functions.
specialized services to users that lower layers do not offers
