215 quiz review
breaking down a message into many packets is done of the ...
source host
How many data links will there be if a frame passes from a computer through two switches, then through a router then through two more switches then to the destination computer?
2
Port numbers for FTP
20 and 21
an 8 bit field can represent ..... alternatives
256
IP version 4
32 bits
hexadecimal of <
3C
47,000,000 bps is...
47 mbps
Ethernet addresses are
48 bits long
MAC addresses are
6 octets
decimal of <
60
the first 128 characters of the ASCII standard are encoded into binary using... bits
7
any home TV must be a network host?
False
.....data sent in discrete packets, each has a path chosen for it
Packet Switching
Host P transmits a SYN to Host Q. if host Q is willing to open it transmits a...
SYN, ACK segment
Transport fields are found in
UDP and TCP headers
A... is the path that a packet takes across a single switched network and its src and dst physical addresses stay unchanged
data link
in binary decimal 13 is equivalent to 1101, what is 14?
1110
(FFFF)16=( )2
1111 1111 1111 1111
IP version 6 addresses are
128 bits long
Binary encoding of H
01001000
if two hosts are separated by seven networks, how many packets will there be along the way when a host transmits a packet to another host?
1
However when the above is stored in a host its in ... bits
8
When a packet passes though seven switches between the source and destination hosts, the number of physical links is ... and data links...
8, 1
Inside a computer data is represented in
Binary
Which of the following has greater resistance to transmission errors?
Binary signaling
In P2P applications, most processing is done on the...
Client
In client server processing, processing is done on the...
Client and Server
B7-22-DD-6F-C8-AB is an
Ethernet Address
Ethernet
Frame
Which of the following uses packet switching?
Neither dial up telephones circuits of leased line circuits
Which standard places packets that arrive out of order in order?
TCP
A network is a system that permits networked applications on different hosts to work together.
True
The tool used for network protocol analyzer is...
Wireshark
Frequency division multiplexing is an example of sharing bandwidth under...
circuit switching
what has explicit openings and closings?
connection oriented protocols
after the internet "network" layer processes encapsulation, it passes the IP packet to the...layer process
data link
reassembly of packets into a message is done on the...
destination host
converting application messages into bits is
encoding
For bursty data, packet switching is desirable because it
makes transmission more efficient
after the side wishing to close a TCP connection sends a FIN message it will...
only send ACK segments
IP
packet
which layer process does not do encapsulation?
physical
Encapsulation is...
placing a message in the data field of another message
TCP
segment
the meaning of a message is its...
semantics
how a message is organized it its..
syntax
Ethernet detects errors but does not correct them. Therefore is UNreliable
true
Messages do not always have data fields
true
headers are usually divided into fields
true
packets are carried inside frames
true
UDP checks messages for errors but does not correct. UDP is
unreliable
