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151 Identify 3 characteristics
of ISDN?
A.) Transports voice and data
B.) Transports voice only
C.) Support both BRI and PRI
D.) Runs over existing phone lines
E.) Same as X.25
Ans A C D
ISDN supports voice, data, and video. It runs over existing
phone lines and supports 128K (BRI) and T1 (PRI).
152 Identify the 3 characteristics of IGRP?
A.) Uses hop count as a metric
B.) Supports multiple unequal paths
C.) Administrative distance is 100
D.) Configured with an Autonomous system number
E.) Link state
Ans B C D
IGRP is a distance vector routing protocol, it's degree of
trustworthiness is 100, it can support up to 6 un-equal paths
and must be configured with an autonomous system number.
153 Identify 2 features of PPP CHAP authentication?
A.) Username and password is sent in clear text
B.) Authentication messages are sent periodically during the
connection
C.) Less secure then PAP
D.) Local router 'challenges' the remote router
Ans B D
PPP CHAP authentication message are sent periodically during the
connection by challenging the other end of the connection.
It is more secure than PAP and passwords and username are
encrypted.
154 Identify the default IPX serial encapsulation?
A.) Novell-Ether
B.) SDLC
C.) SNAP
D.) HDLC
Ans D
The default IPX serial encapsulation is HDLC.
155 Identify the hardware component that stores the backup
configuration?
A.) RAM
B.) NVRAM
C.) Flash
D.) ROM
Ans B
NVRAM contains the backup config. RAM is the dynamic memory
area, ROM contains the boot strap code and Flash contains the
IOS.
156 Identify the extended IP access-list number range?
A.) 600 - 699
B.) 1 - 99
C.) 900 - 999
D.) 100 - 199
Ans D
The extended IP access-list range is 100-199.
157 Identify 3 Fast Ethernet technologies?
A.) 100 Base FastEther
B.) 100 Base FX
C.) 100 Base T4
D.) 100 Base TX
Ans B C D
100 BaseFastEther is false. 100 Base FX, TX and T4 are all
valid.
158 Identify the OSI layer which is responsible for
end-to-end connections?
A.) Network
B.) Transport
C.) Session
D.) Data link
E.) TCP
Ans B
Layer 4 is the Transport layer and is responsible for end-to-end
connections.
159 Identify the 2 characteristics regarding MAC addresses?
A.) Contains a network portion and host portion
B.) Always assigned by System Administrator
C.) 48 bits long
D.) Contains a vendor code and serial number
Ans C D
MAC addresses are assigned by the vendor. Each MAC address is 48
bits long and made up of 24 bits vendor code and 24 bits serial
number.
160 Identify the number range for IPX SAP filters?
A.) 900 - 999
B.) 1000 - 1099
C.) 800 -899
D.) 100 - 199
Ans B
The IPX SAP filtering range is 1000-1099.
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