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The host specified in the question is in the first subnet: 256-252=4. The valid hosts are 10.5 and 10.6. 10.7 is the broadcast for the 4 subnet.
Chapter: 2
55. What are the valid hosts for the following network: 172.16.4.14 255.255.252.0?
A. 5.1 to 7.1
B. 4.1 to 8.254 C. 4.1 to 4.255
D. 4.1 to 7.254
Answer: D
The class B subnet mask of 255.255.252.0 gives us 62 subnets each with 1022 hosts. The hosts specified in the question is in the first subnet: 256-252=4. The valid hosts for the 4.0 subnet is the numbers between the
subnets or 4.1 to 7.254. 7.255 is the broadcast address for the 4.0 subnet.
Chapter: 2
56. Which of the following identifies the Presentation layer and the functions it provides to the Application
Layer?
(Choose 2) A. Provides a common representation of Application data while the data is in transit between two cooperating
computer systems B. Provides system independent process or program services to end users
C. Provides code formatting and conversion, negotiates data transfer syntax for the Application layer
D. Coordinates requests and responses that occur when Applications communicate between different hosts Answer: A, C
The Presentation layer does code conversion and syntax for the Application layer
Chapter: 2
57. Which of the following commands will reboot the router?
A. Reset B. Down
C. Exit
D. Reload E. Restart
Answer: D
Typing reload will ask you for a confirmation if you want to reload the router, and then if agreed, will reboot
the router.
Chapter: 2