ĐÁP ÁN ĐỀ THI THỬ FINAL pptx

Copyright Mạnh Hạo Nhiên C10CT9
1\
Đ
Á
P
Á
N
Đ
Ề
T
HI
T
H
Ử
FI
N
A
L
1.
Copyright Mạnh Hạo Nhiên C10CT9
Refer
to the
exhibi
t. A
netwo
rk
techni
cian
has
made
sever

al
chang
es to
R1
since
the
confi
gurati
on
has
last
been
saved
. The
modif
ied
confi
gurati
on
did
not
Copyright Mạnh Hạo Nhiên C10CT9
produ
ce the
desire
d
chang
es.
The
techni

cian
wants
to
store
a
backu
p
copy
of the
saved
confi
gurati
on on
a
TFTP
server
befor
e
reload
ing.
Whic
h
action
will
cause
the
unmo
dified
data
to be

saved
on the
TFTP
server
?
Copyright Mạnh Hạo Nhiên C10CT9
2 The
Layer
4
heade
r
contai
ns
which
type
of
infor
matio
n to
aid in
the
delive
ry of
data?
servic
e port
numb
er
host
logic

al
addre
ss
devic
e
physi
cal
Copyright Mạnh Hạo Nhiên C10CT9
addre
ss
virtua
l
conne
ction
identi
fier
3
Refer
to the
exhibi
t.
Whic
h two
facts
can
be
deter
mined
about
the

topol
ogy?
(Cho
ose
two.)
Four
collis
ion
doma
ins
Copyright Mạnh Hạo Nhiên C10CT9
are
prese
nt.
One
logic
al
netw
ork is
repre
sente
d.
Two
broad
cast
doma
ins
are
prese
nt.

Three
netw
orks
are
neede
d.
Three
logic
al
addre
ss
range
s are
requir
ed.
4
Copyright Mạnh Hạo Nhiên C10CT9
Refer
to the
exhibi
t.
Host
B was
power
ed
off.
What
chang
e will
occur

in the
MAC
table
of the
switc
h?
The
table
will
remai
n
unaff
ected.
The
switc
h will
remo
ve
the
MAC
Copyright Mạnh Hạo Nhiên C10CT9
addre
ss at
Fa0/1
9.
The
switc
h will
retain
the

MAC
addre
ss
until
host
B is
powe
red
on
again
.
The
switc
h will
rebuil
d the
MAC
table
by
assig
ning
the
FFFF
.FFF
F.FF
FF
addre
ss to
port
Fa0/1

9.
5 What
are
three
chara
cterist
ics of
CSM
A/CD
?
Copyright Mạnh Hạo Nhiên C10CT9
(Cho
ose
three.
)
It
monit
ors
the
medi
a for
prese
nce
of a
data
signal
.
After
detect
ing a

collis
ion,
hosts
can
resu
me
trans
missi
on
after
a
rando
m
timer
has
expir
ed.
A
jam
signal
is
used
to
ensur
e that
all
hosts
are
aware
that a

collis
Copyright Mạnh Hạo Nhiên C10CT9
ion
has
occur
red.
Devic
es
can
be
confi
gured
with
a
highe
r
trans
missi
on
priori
ty.
Data
is
trans
mitte
d
only
when
the
data

signal
is
prese
nt.
It
uses
a
token
syste
m to
avoid
collis
ions.
6 What
is the
result
of
using
the cl
ock
rate
Copyright Mạnh Hạo Nhiên C10CT9
5600
0 com
mand
at the
serial
interf
ace of
the

router
?
The
interf
ace is
confi
gured
as a
DCE
devic
e.
The
interf
ace
timer
s are
cleare
d.
The
FastE
thern
et
interf
ace is
made
to
emul
ate a
serial
interf

ace
by
assig
ning
it a
timin
g
signal
.
The
IP
addre
Copyright Mạnh Hạo Nhiên C10CT9
ss for
the
serial
interf
ace is
confi
gured
.
7
Refer
to the
exhibi
t. The
serial
interf
ace of
the

router
was
confi
gured
with
the
use of
the
comm
ands
that
are
show
n.
The
router
canno
t ping
the
router
that is
direct
ly
conne
cted
to
interf
ace
Copyright Mạnh Hạo Nhiên C10CT9
serial

0/0/0.
What
shoul
d the
netwo
rk
techni
cian
do to
solve
this
probl
em?
Confi
gure
the
descri
ption
at
interf
ace
serial
0/0/0.
Confi
gure
an IP
addre
ss on
interf
ace

serial
0/0/0.
Remo
ve
the n
o
shutd
own
com
mand
at
interf
ace
serial
0/0/0
Rebo
ot the
router
.
Copyright Mạnh Hạo Nhiên C10CT9
8 A
netwo
rk has
grow
n too
large
for
techni
cians
to

confi
gure
netwo
rk
addre
sses
and
hosts
files
for
name
resolu
tion.
Whic
h two
applic
ation
layer
servic
es
shoul
d be
added
to the
server
to
allow
these
needs
to be

satisfi
ed
dyna
micall
y?
(Cho
ose
two.)
Copyright Mạnh Hạo Nhiên C10CT9
DNS
FTP
DHC
P
HTT
P
SMT
P
9
Refer
to the
exhibi
t.
What
is
requir
ed on
host
A for
a
netwo

rk
techni
cian
to
Copyright Mạnh Hạo Nhiên C10CT9
create
the
initial
confi
gurati
on on
Route
r1?
an
FTP
client
a
Telne
t
client
a
termi
nal
emul
ation
progr
am
a web
brow
ser

10 What
are
two
chara
cterist
ics of
the
data
link
layer?
(Cho
ose
two.)
It
segm
ents
and
reord
ers
the
data.
It
excha
nges
Copyright Mạnh Hạo Nhiên C10CT9
the
frame
s
betwe
en

nodes
.
It
defin
es the
meth
od by
whic
h
netw
ork
devic
es
place
data
onto
the
medi
a.
It
mana
ges
the
transf
er of
data
betwe
en
the
proce

sses
that
run
on
each
host.
It
retrie
ves
signal
s
from
the
medi
a and
Copyright Mạnh Hạo Nhiên C10CT9
restor
es
them
to
their
bit
repre
sentat
ions.
11 While
confi
gurin
g a
router

, a
netwo
rk
techni
cian
wants
to
name
the
router
.
Whic
h
prom
pt
shoul
d the
techni
cian
see
when
enteri
ng
theho
stna
me co
mman
d?
Route
r>

Route
r#
Route
r(con
Copyright Mạnh Hạo Nhiên C10CT9
fig)#
Route
r(con
fig-
line)#
12
Refer
to the
exhibi
t.
Host
A
wants
to
acces
s the
Intern
et.
Whic
h
combi
nation
of a
Layer
2

addre
ss and
a
Layer
3
addre
ss
will
enabl
Copyright Mạnh Hạo Nhiên C10CT9
e this
acces
s
from
host
A?
Desti
natio
n
MAC
:
0030.
8596.
DE83
Defa
ult
gatew
ay:
209.1
65.20

2.130
Desti
natio
n
MAC
:
0030.
8596.
DE82
Defa
ult
gatew
ay:
172.1
6.9.2
Desti
natio
n
MAC
:
0030.
8517.
44C4
Defa
ult
gatew
ay:
172.1
6.1.1
Copyright Mạnh Hạo Nhiên C10CT9

Desti
natio
n
MAC
:
0030.
8517.
44C4
Defa
ult
gatew
ay:
209.1
65.20
2.130
13 A
netwo
rk
admin
istrato
r is
asked
to
desig
n a
new
addre
ssing
sche
me

for a
corpo
rate
netwo
rk.
There
are 60
users
in the
main
office
, 40
users
in the
branc
h
office
, 28
users
Copyright Mạnh Hạo Nhiên C10CT9
in
manu
factur
ing,
12 in
the
sales
office
, and
4

users
in the
resear
ch
office
.
Whic
h
VLS
M
addre
ssing
sche
me
that
uses
the
192.1
68.88
.0/24
netwo
rk
will
fulfill
the
requir
ement
s
while
wasti

ng the
fewes
t
addre
sses?
192.1
68.88
.0/26
main
192.1
Copyright Mạnh Hạo Nhiên C10CT9
68.88
.32/2
6
branc
h
192.1
68.88
.64/2
6
manu
factur
ing
192.1
68.88
.96/2
7
sales
192.1
68.88

.128/
28
resear
ch
192.1
68.88
.0/26
main
192.1
68.88
.64/2
6
branc
h
192.1
68.88
.128/
27
manu
factur
ing
192.1
68.88
.160/
28
sales
192.1
68.88
.176/
29

resear
Copyright Mạnh Hạo Nhiên C10CT9
ch
192.1
68.88
.0/27
main
192.1
68.88
.32/2
7
branc
h
192.1
68.88
.64/2
8
manu
factur
ing
192.1
68.88
.80/2
9
sales
192.1
68.88
.88/3
0
resear

ch
192.1
68.88
.0/27
main
192.1
68.88
.64/2
8
branc
h
192.1
68.88
.80/2
8
manu
factur
ing
192.1
68.88
.96/2
9
Copyright Mạnh Hạo Nhiên C10CT9
sales
192.1
68.88
.104/
30
resear
ch

14 By
using
the ip
confi
g com
mand,
a
netwo
rk
admin
istrato
r
deter
mines
that a
works
tation
has
the
addre
ss
192.1
68.3.
38
with
29
bits
set in
the
subne

t
mask.
To
what
netwo
rk
does
the
works
tation
belon
g?