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Q.1
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Which
of the following are WAN encapsulation protocols
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a)
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PPP
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b)
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SLIP
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c)
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HDLC
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d)
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LAPB
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e)
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Frame
Relay
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f)
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ATM
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g)
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A,B,C&E
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h)
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All
of the above
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Answer
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Q.2
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UART
stands for
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a)
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universal
asynchronous radio transceiver
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b)
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universal
asynchronous receiver/transceiver
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c)
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universal
asynchronous receiver/transmitter
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d)
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universal
ac receiver technology
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e)
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none
of the above
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Answer
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Q.3
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On
a EIA/TIA-232 type connector, how many pins are
actually being used
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a)
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2
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b)
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4
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c)
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6
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d)
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8
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e)
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9
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Answer
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Q.4
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Which
of the following statements are true for a cross
cable
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a)
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RTS
goes to CTS
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b)
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TxD
goes to RxD
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c)
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DSR
goes to CD
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d)
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CTS
goes to DSR
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e)
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CD
goes to DTR
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f)
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GND
goes to GND
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g)
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DSR
goes to DTR
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Answer
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Q.5
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The
base TCP port for rotary group for telnet is
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a)
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0
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b)
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2000
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c)
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3000
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d)
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5000
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e)
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7000
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Answer
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Q.6
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Automatic
modem configuration on a router can be done when
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a)
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using
standard modem listed in the modem capability
database
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b)
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using
pre-defined configurations
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c)
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reverse
telnetting into the modem
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d)
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autodiscovery
is enabled on router
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Answer
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Q.7
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Which
of the following functions does PPP support
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a)
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network-protocol
multiplexing
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b)
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link-quality
testing
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c)
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header
compression
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d)
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error
detection
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e)
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link-option
negotiation
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f)
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all
of the above
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Answer
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Q.8
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Which
of the following statements are true for dialer
callback secure
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a)
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is
Cisco proprietary
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b)
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ensures
that receiving call is always disconnected at
receiving end and call us returned only if
username is configured for callback
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c)
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if
username is not configured for callback, no
connection is made
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d)
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if
username is not configured for callback, the initial connection is not dropped and not return call
is made
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Answer
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Q.9
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ISDN
PRI (T1) has
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a)
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23
64K B-channels
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b)
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24
64K B-channels
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c)
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1
64K D-channel
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d)
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1
8K D-channel
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e)
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1
64K framing & synchronization channel
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f)
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1
8K framing & synchronization channel
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Answer
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Q.10
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Non-ISDN
equipment are known as
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a)
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TE1
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b)
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TE2
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c)
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TE3
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d)
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TA
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e)
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NT2
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f)
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NT1
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Answer
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Q.11
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What
is the layer 2 protocol used in ISDN D channel
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a)
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DSS1
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b)
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LAPD
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c)
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LAPB
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d)
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I.430
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e)
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Q.922
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Answer
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Q.12
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Which
of the following statements are true about SPIDs
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a)
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it
defines the supported services
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b)
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all
ISDN switch types require SPIDs
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c)
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SPIDs
have significance at the local access ISDN
interface only
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d)
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remote
routers send SPIDs to their neighbor
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Answer
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Q.13
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Which
of the following are PRI framing types
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a)
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sf
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b)
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esf
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c)
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crc4
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d)
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crc5
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e)
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no-crc4
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f)
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no-crc5
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Answer
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Q.14
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Which
of the following statements are true
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a)
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physical
interfaces can only belong to one rotary group
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b)
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physical
interfaces can only belong to one dialer profile
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c)
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a
priority of 1-255 can be applied to a dialer pool
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d)
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dialer
interfaces cannot be used with dialer pool
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Answer
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Q.15
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Which
of the following statements are true
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a)
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DCE/DTE
only pertains to layer 1 in X.25
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b)
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X.25
DTE is typically a router or a PAD
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c)
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X.25
DCE/DTE terminology differs from the usual
physical layer interpretation
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d)
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all
of the above
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Answer
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Q.16
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Which
of the following is the correct command to map
X.25 using PVC
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a)
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X.25
map ip 10.1.1.1 310112345678 broadcast
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b)
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X.25
map pvc 10.1.1.1 310112345678 broadcast
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c)
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X.25
map pvc ip 10.1.1.1 310112345678 broadcast
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d)
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X.25
pvc 3 10.1.1.1 310112345678 broadcast
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e)
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X.25
pvc 3 ip 10.1.1.1 310112345678 broadcast
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Answer
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Q.17
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Which
of the following are true
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a)
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DLCI’s
are optional
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b)
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DLCI’s
only have local significance
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c)
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DLCI’s
are pushed by the frame switch to the physical
interface
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d)
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if
subinterfaces are present, the frame switch pushes
the DLCI’s to the subinterface
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Answer
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Q.18
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Committed
Burst is
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a)
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the
maximum number of bits that the switch attempts to
transfer beyond the CIR at any committed rate
measurement interval
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b)
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the
maximum number of bits the switch agrees to
transfer in a second
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c)
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the
maximum number of bits that the switch attempts to
transfer beyond the CIR
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d)
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the
maximum number of bits the switch agrees to
transfer during any committed rate measurement
interval
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Answer
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Q.19
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What
are floating static routes
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a)
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static
routes that point to a null interface
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b)
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incomplete
static routes
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c)
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static
routes with floating next hop ip address
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d)
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static
routes with non standard administrative distance
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e)
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static
routes with multiple next hop ip address that are
used on a round robin basis
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Answer
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Q.20
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What
is the congestive discard threshold
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a)
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it
is the largest packet size that can be prioritized
by weighted fair queuing
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b)
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it
is the largest number of packets discarded when
congestion is noticed
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c)
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it
is the largest number of packets of a single
conversation accepted in a queue
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d)
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none
of the above, congestive discard threshold does
not exist
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Answer
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