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121 Identify the X.25
addressing standard?
A.) X.121
B.) X.25a
C.) ITU-1
D.) Q933a
Ans A
The X.25 layer 3 addressing standards is X.121.
122 Identify 3 features of IGRP?
A.) Composite metric
B.) New horizon
C.) Flash updates
D.) 60 periodic updates
E.) Poison reverse
Ans A C E
IGRP uses a composite metric made up of bandwidth and delay by
default, it updates every 60 seconds and will trigger an update
if the topology changes.
123 Where is the backup configuration file stored?
A.) RAM
B.) ROM
C.) Console
D.) NVRAM
Ans D
One location to store the backup configuration is NVRAM.
124 Identify the correct pair of Novell Ethernet
encapsulation and Cisco terminology?
A.) Ethernet II, Snap
B.) Ethernet 802.3, Novell-Ether
C.) Ethernet SNAP, Arpa
D.) Ethernet 802.2, Snap
Ans B
The default IPX LAN encapsulation is Novell-Ether which is 802.3
125 Identify 3 characteristics regarding IP access-lists?
A.) Can be configured as a standard access-list
B.) Can be run from another router running IP
C.) Can be configured as a named access-list
D.) Are the same as IPX access-lists
E.) Can be configured as an extended access-list
Ans A C E
There are 3 types of IP access-lists; standard, extended and
named. Named access-lists can be either standard or extended
depending on how they are configured.
126 Identify 3 ways in which a router can be configured?
A.) TFTP
B.) Nvram
C.) Ping
D.) Console
E.) Trace
Ans A B D
Changes to the configuration can be entered via the console, a
config stored in NVRAM or on a TFTP server. Trace and ping are
tools to verify connectivity.
127 A traffic light is an example of what type of mechanism?
A.) Collision detection
B.) Flow control
C.) Sequence numbering
D.) Network management
Ans B
A Traffic light is an example of flow control.
128 Windowing is a type of?
A.) Negative acknowledgement
B.) Address resolution
C.) Layer transition mechanism
D.) Flow control
Ans D
Windowing allow the sender and receiver to dictate how much
information that can be received prior to an acknowledgement. It
is a form of flow control.
129 Identify the 2 types of access-list filters that control
SAP traffic?
A.) Novell-ether
B.) Arpa
C.) Input-sap-filter
D.) Round-robin
E.) Output-sap-filter
Ans C E
SAP's can be blocked by 2 methods; inbound and outbound.
130 Identify the 3 guidelines for routers in the same
autonomous system?
A.) Must be configured for IGRP or RIP
B.) Interconnected
C.) Assigned the same autonomous system number
D.) Configured for the same routing protocol
E.) Must be same model of router
Ans B C D
Autonomous system must be interconnected, assigned the same AS #
and configured with the same routing protocol.
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