640-802 CCNA Study Guide - Elktech.org

A. 192.168.1.56/27
B. 192.168.1.64/26
C. 192.168.1.64/27
D. 192.168.1.56/26
Cisco 640-802 Exam
Answer: B
Explanation:
A subnet with 60 host is 2*2*2*2*2*2 = 64 -2 == 62
6 bits needed for hosts part. Therefore subnet bits are 2 bits (8-6) in fourth octet.
8bits+ 8bits+ 8bits + 2bits = /26
/26 bits subnet is 24bits + 11000000 = 24bits + 192
256 – 192 = 64
0 -63
64 – 127
QUESTION NO: 571
Which of the following protocols uses both TCP and UDP ports?
A. SMTP
B. Telnet
C. FTP
D. DNS
Answer: D
Explanation:
QUESTION NO: 572
The network technician is planning to use the 255.255.255.224 subnet mask on the network.
Which three valid IP addresses can the technician use for the hosts?
(Choose three.)
A. 172.22.243.127
B. 172.22.243.191
C. 172.22.243.190
D. 10.16.33.98
E. 10.17.64.34
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