100%
CCNA
practice
A
client
packet
is
received
by
a
server.
The
packet
has
a
destination
port
number
of
22.
What
service
is
the
client
requesting?
-
✔✔
SSH
A
network
administrator
is
issuing
the
login
block-for
180
attempts
2
within
30
command
on
a
router.
Which
threat
is
the
network
administrator
trying
to
prevent?
-
✔✔
a
user
who
is
trying
to
guess
a
password
to
access
the
router
A
network
team
is
comparing
topologies
for
connecting
on
a
shared
media.
Which
physical
topology
is
an
example
of
a
hybrid
topology
for
a
LAN?
-
✔✔
extended
star
A
network
technician
types
the
command
ping
127.0.0.1
at
the
command
prompt
on
a
computer.
What
is
the
technician
trying
to
accomplish?
-
✔✔
testing
the
integrity
of
the
TCP/IP
stack
on
the
local
machine
A
router
boots
and
enters
setup
mode.
What
is
the
reason
for
this?
-
✔✔
The
configuration
file
is
missing
from
NVRAM.
A
small
advertising
company
has
a
web
server
that
provides
critical
business
service.
The
company
connects
to
the
Internet
through
a
leased
line
service
to
an
ISP.
Which
approach
best
provides
cost
effective
redundancy
for
the
Internet
connection?
-
✔✔
Add
a
connection
to
the
Internet
via
a
DSL
line
to
another
ISP.
Although
CSMA/CD
is
still
a
feature
of
Ethernet,
why
is
it
no
longer
necessary?
-
✔✔
the
use
of
full-duplex
capable
Layer
2
switches
Given
network
172.18.109.0,
which
subnet
mask
would
be
used
if
6
host
bits
were
available?
-
✔✔
255.255.255.192
If
the
default
gateway
is
configured
incorrectly
on
the
host,
what
is
the
impact
on
communications?
-
✔✔
The
host
can
communicate
with
other
hosts
on
the
local
network,
but
is
unable
to
communicate
with
hosts
on
remote
networks.
Network
information:*
local
router
LAN
interface:
172.19.29.254
/
fe80:65ab:dcc1::10*
local
router
WAN
interface:
198.133.219.33
/
2001:db8:FACE:39::10*
remote
server:
192.135.250.103
What
task
might
a
user
be
trying
to
accomplish
by
using
the
ping
2001:db8:FACE:39::10
command?
-
✔✔
verifying
that
there
is
connectivity
to
the
internet
Only
employees
connected
to
IPv6
interfaces
are
having
difficulty
connecting
to
remote
networks.
The
analyst
wants
to
verify
that
IPv6
routing
has
been
enabled.
What
is
the
best
command
to
use
to
accomplish
the
task?
-
✔✔
show
running-config
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