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Q.1
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Which of the
following are processes involved in a
connectionless service
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a)
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session
establishment
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b)
|
session
termination
|
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c)
|
flow
control
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d)
|
error
detection
|
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e)
|
error
correction
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Q.2
|
In
the following TCP session, what it the next ack
number if the packet was received properly
sync
102
ack
0
sync
302
ack
?
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a)
|
102
|
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b)
|
103
|
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c)
|
0
|
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d)
|
1
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e)
|
302
|
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f)
|
303
|
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g)
|
can
be any number
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Q.3
|
In
the following TCP session, what is the next sync
number
sync
110
ack 301
sync ?
ack 111
|
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a)
|
110
|
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b)
|
111
|
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c)
|
301
|
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d)
|
302
|
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e)
|
can
be any number
|
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|
|
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Q.4
|
An Ethernet_II
frame consists of
|
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a)
|
preamble
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b)
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SOF
|
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c)
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destination
address
|
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d)
|
source address
|
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e)
|
type
|
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f)
|
length
|
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g)
|
LSAP
|
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Q.5
|
What is the
difference between an Ethernet SAP and SNAP format
|
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a)
|
they
are both the same format
|
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b)
|
the DSAP and
LSAP fields in the SNAP format are always set to
AA
|
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c)
|
the
1 byte control field is missing in the SNAP format
|
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d)
|
SAP format does
not have the 1 byte OUI field
|
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e)
|
SNAP format has
a 1 byte Ether Type field
|
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Q.6
|
The address
field in a PPP frame contains
|
|
a)
|
MAC
address of the destination
|
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b)
|
MAC
address of the source
|
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c)
|
layer
3 address of the destination
|
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d)
|
layer
3 address of the source
|
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e)
|
11111111
|
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Q.7
|
How big are ATM
cells
|
|
a)
|
48
bytes
|
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b)
|
53 bytes
|
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c)
|
1500
bytes
|
|
d)
|
53
bytes to 1500 bytes
|
|
e)
|
48
bytes to 1500 bytes
|
|
|
|
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Q.8
|
EIGRP consists
of the following tables
|
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a)
|
neighbor table
|
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b)
|
topology table
|
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c)
|
routing table
|
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d)
|
successor
table
|
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|
|
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Q.9
|
If the feasible
distance to a destination is 30 and the advertised
distance is 20, it means
|
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a)
|
there
is an error in the routing update process
|
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b)
|
there
are two different paths to the destination
|
|
c)
|
the metric to
the next hop router is 10
|
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d)
|
the
primary path has a metric of 20 and the secondary
path has a metric of 30
|
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|
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Q.10
|
Which of the
following are true for OSPF on an NBMA network
|
|
a)
|
routers
are usually fully meshed
|
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b)
|
if
routers are not fully meshed DR and BDR must be
manually selected
|
|
c)
|
DR
and BDR must have full connectivity to all routers
|
|
d)
|
all
routers are on one subnet
|
|
e)
|
it
is the most efficient way to run OSPF over non
broadcast multiaccess network provided there are
few neighbors
|
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f)
|
all of the above
|
|
|
|
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Q.11
|
Which of the
following are true statements for silicon or
autonomous switching
|
|
a)
|
the
silicon-switching cache and the
autonomous-switching cache resides on the SSP
|
|
b)
|
the
silicon-switching cache and the
autonomous-switching cache resides on the SP
|
|
c)
|
fast-switching
cache resides on the RP
|
|
d)
|
the SP on a 7000
series is also known as the ciscoBus controller
|
|
|
|
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Q.12
|
Which of the
following are buffer types
|
|
a)
|
small
buffer
|
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b)
|
middle
buffer
|
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c)
|
big
buffer
|
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d)
|
very
big buffer
|
|
e)
|
large
buffer
|
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f)
|
huge
buffer
|
|
g)
|
all of the above
|
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|
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Q.13
|
Which of the
following processes affect switching processes
|
|
a)
|
queueing
|
|
b)
|
Random Early
Detection
|
|
c)
|
compression
|
|
d)
|
encryption
|
|
e)
|
routing
|
|
f)
|
all
of the above
|
|
|
|
|
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Q.14
|
Network monitors
collect information such as
|
|
a)
|
packet
size
|
|
b)
|
number
of packets
|
|
c)
|
error
packets
|
|
d)
|
number
of hosts
|
|
e)
|
mac
addresses
|
|
f)
|
all of the above
|
|
|
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Q.15
|
Which of the
following are protocol analyzer types
|
|
a)
|
software-based
analyzer
|
|
b)
|
general purpose
analyzer
|
|
c)
|
job
specific analyzer
|
|
d)
|
high-end
analyzer
|
|
e)
|
all
of the above
|
|
|
|
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Q.16
|
Which is
the CiscoWorks variant used to manage a
switched network
|
|
a)
|
CiscoWorks
Blue
|
|
b)
|
CiscoWorks
2000
|
|
c)
|
CWSI
|
|
d)
|
CiscoWorks
Switched
|
|
|
|
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Q.17
|
Two routers A
and B are connected using a back-to-back serial
cable. All configurations have been entered
including loopbacks. EIGRP is enabled. When the
command show ip route is executed, the neighbors
cannot see each other’s loopback. You can ping
each others directly connected interface. What
should you do next
|
|
a)
|
check
to see if the serial interface interface is up
|
|
b)
|
try
to ping the loopback interface
|
|
c)
|
check
to see if your loopback interface is up
|
|
d)
|
check the eigrp
neighbor table
|
|
|
|
|
Q.18
|
Which of the
following are true
|
|
a)
|
middle buffer
< big buffer
|
|
b)
|
large
buffer < very big buffer
|
|
c)
|
huge buffer >
large buffer
|
|
d)
|
very
big buffer > huge buffer
|
|
|
|
|
Q.19
|
Distributed
switching can only occur when
|
|
a)
|
SSP
exists
|
|
b)
|
SP
exists
|
|
c)
|
RP
exists
|
|
d)
|
VIP exists
|
|
|
|
|
Q.20
|
|
