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思科Cisco认证最新真题50道:TCP/IP(4) 41: You are a network technician at Acme, Inc. You have subnetted the 192.168.72.0 network with a /30 mask for connections between your routers. Your boss asks you how many usable subnetworks and usable host addresses per subnet this will provide. What should you tell her, assuming your router cannot use ip subnet-zero?
A. 62 networks and 2 hosts
B. 6 networks and 30 hosts
C. 8 networks and 32 hosts
D. 16 networks and 16 hosts
E. 14 networks and 14 hosts
42: Which of the following IP addresses are considered "network" addresses with a /26 prefix? (Choose two.)
A. 165.203.2.0
B. 165.203.5.192
C. 165.203.6.63
D. 165.203.6.191
E. 165.203.8.255
43: Identify three valid hosts in any subnet of 192.168.32.0, assuming the subnet mask used is 255.255.255.240. (Choose three.)
A. 192.168.32.33
B. 192.168.32.112
C. 192.168.32.119
D. 192.168.32.126
E. 192.168.32.175
F. 192.168.32.208
44: A Class C network address has been subnetted with a /27 mask. Which of the following addresses is a broadcast address for one of the resulting subnets?
A. 198.57.78.33
B. 198.57.78.64
C. 198.57.78.97
D. 198.57.78.97
E. 198.57.78.159
F. 198.57.78.254
45: What is the subnetwork address for a host with IP address 165.100.5.68/28?
A. 165.100.5.0
B. 165.100.5.32
C. 165.100.5.64
D. 165.100.5.65
E. 165.100.5.31
F. 165.100.5.1
46: Your boss wants to know what TCP stands for. What do you tell him?
A. Transmission Check Protocol
B. Transport Check Protocol
C. Transmission Control Protocol
D. Transport Control Protocol
47: Your boss wants to know what UDP stands for. What do you tell him?
A. Unreliable Data Protocol
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