640-802 CCNA Study Guide - Elktech.org

Cisco 640-802 Exam
Prior to backing up an IOS image to a TFTP server, the following actions should be taken:
Ensure the accessibility between the TFTP server and the device.
Use the show version command to examine the IOS information to ensure that the network server
has adequate space for the IOS image.
So we choose A, C, D.
QUESTION NO: 205
Which are valid modes for a switch port used as a VLAN trunk? (Choose three.)
A. transparent
B. auto
C. on
D. desirable
E. client
F. forwarding
Answer: B,C,D
Explanation:
QUESTION NO: 206
The network 172.25.0.0 has been divided into eight equal subnets. Which of the following IP
addresses can be assigned to hosts in the third subnet if the ip subnet-zero command is
configured on the router? (Choose three.)
A. 172.25.78.243
B. 172.25.98.16
C. 172.25.72.0
D. 172.25.94.255
E. 172.25.96.17
F. 172.25.100.16
Answer: A,C,D
Explanation:
If we divide the address 172.25.0.0 in 8 subnets, the resulting subnets will be
1. 172.25.0.0
2. 172.25.32.0
3. 172.25.64.0 This is the third subnet
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