Exam 100-105 topic 1 question 9 discussion

Actual exam question from Cisco's 100-105

Question #: 9
Topic #: 1

Refer to the exhibit.

A TFTP server has recently been instated in the Atlanta office. The network administrator is located in the NY office and has made a console connection to the NY router. After establishing the connection they are unable to backup the configuration file and iOS of the NY router to the TFTP server. What is the cause of this problem?

A. The TFTP server has an incorrect subnet mask.
B. The TFTP server has an incorrect IP address.
C. The network administrator computer has an incorrect IP address.
D. The NY router has an incorrect subnet mask.

Show Suggested Answer

Suggested Answer: A 🗳️
The subnet mask of the TFTP server needs to be in the same subnet as the default gateway.

by [deleted] at Nov. 7, 2019, 8:35 p.m.

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Shafiq

5 years, 7 months ago

because correct subnetmask should be 255.255.255.248

upvoted 3 times

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[Removed]

5 years, 7 months ago

Hello ,could someone Help me please ,because when i looked at the topology and there several problem in it ,by after checking the result and i see they prefer to use another problem the other one so i wanted someone tell me more about the real problem.

upvoted 1 times

aria

5 years, 6 months ago

the 240 in the subnet represents 4 bits, and 255 represents 8. so 3x255 +1x240= 3x8+1x4=28 and not /29

upvoted 2 times

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