Dealing with How Internet
Infrastructure Works
1.
VOCABULARY EXERCISE
Match
the elements in the two lists:
1.
network - i. a.
order
2.
however-- j. b.
surprising
3.
hierarchy – a c.
big
4.
provider --d. d.
supplier
5.
dedicated – f e. get to
6.
amazing--b. f.
special
7.
major – c. g.
run
8.
flow -- g. h.
important
9.
arrive -- e. i.
web
10.
crucial– h j.
nevertheless
2.
MANIPULATING VERBS (in the Protocol of the Internet section)
Fill
in the blanks with the right verbs from the box:
have represents was
call use contains
a.
The machines haveunique identifying
numbers.
b.
The computersusebinary numbers.
c. We representsthe four numbers in an IP
address octets.
d.
The Net section always call the first octet.
e.
The system with typical IP addresses wasfine when the computers
were few.
3. UNDERSTANDING EXPRESSIONS IN ENGLISH
Use the underlined expressions in a new sentence:
a.
We use the Internet’s DNS servers to translate the human-readable
domain name into the machine-readable IP address.
R.We use the dictionary to translate unfamiliar words.
b.
The left-most word, like www, is the host name.
R.law students used to write more lefthand.
c.
A given domain name can contain millions of host names as long as they
are all unique.
R. as long asI exercise, I'm hydrating
d. Once it
has made a request to a root DNS server for any .COM domain, it knows the IP
address for a DNS server handling the .COM domain.
R.Once all exercises are sent English teacher gives the final grade.
e.
All the machines on the Internet are either servers or clients.
R. I use either phone lines in my office I have to contact my clients.
4.
TRANSLATION OF PHRASES
Give
a Spanish version of the following phrases in the text:
- a
global collection of networks
- a
non-profit group established in 1992
- worldwide
web
- Network
Access Points
- Point
of Presence
R. /
a.
Una colección mundial de redes.
b.
Un grupo sin ánimo de lucro establecido en
1992.
c.
Web mundial.
d.
Punto de acceso de red.
e.
Punto de presencia.
