單項(xiàng)選擇題What is the subnet for the host IP address 172.16.210.0/22?（）

A. 172.16.42.0
B. 172.16.107.0
C. 172.16.208.0
D. 172.16.252.0
E. 172.16.254.0
F. None of the above



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2.單項(xiàng)選擇題How many subnetworks and hosts are available per subnet if you apply a /28 mask to the 210.10.2.0 class C network?（）

A. 30 networks and 6 hosts.
B. 6 networks and 30 hosts.
C. 8 networks and 32 hosts.
D. 32 networks and 18 hosts.
E. 14 networks and 14 hosts.
F. None of the above

3.單項(xiàng)選擇題You have a Class C network, and you need ten subnets. You wish to have as many addresses available for hosts as possible. Which one of the following subnet masks should you use?（）

A. 255.255.255.192
B. 255.255.255.224
C. 255.255.255.240
D. 255.255.255.248
E. None of the above

4.多項(xiàng)選擇題Which two of the addresses below are available for host addresses on the subnet 192.168.15.19/28?（）

A.192.168.15.17
B.192.168.15.14
C.192.168.15.29
D.192.168.15.16
E.192.168.15.31
F.None of the above

5.單項(xiàng)選擇題How do you express the binary number 10110011 in decimal form?（）

A.91
B.155
C.179
D.180
E.201
F.227

6.單項(xiàng)選擇題The MAC address for your PC NIC is: C9-3F-32-B4-DC-19. What is the address of the OUI portion of this NIC card, expressed as a binary number?（）

A.11001100-00111111-00011000
B.11000110-11000000-00011111
C.11001110-00011111-01100000
D.11001001-00111111-00110010
E.11001100-01111000-00011000
F.11111000-01100111-00011001

7.單項(xiàng)選擇題How would the number 172 be expressed in binary form?（）

A.10010010
B.10011001
C.10101100
D.10101110

8.單項(xiàng)選擇題How would the number 231 be expressed as a binary number?（）

A. 11011011
B. 11110011
C. 11100111
D. 11111001
E. 11010011

9.單項(xiàng)選擇題Which one of the binary number ranges shown below corresponds to the value of the first octet in Class B address range?（）

A. 10000000-11101111
B. 11000000-11101111
C. 10000000-10111111
D. 10000000-11111111
E. 11000000-10111111

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Which of the following options lists the steps in PPP session establishment in the correct order?（）

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What is the subnetwork address for a host with IP address 201.100.5.68/28?（）

題型：單項(xiàng)選擇題

Which of the following contribute to congestion on an Ethernet network?（）

題型：多項(xiàng)選擇題

A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?（）

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What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?（）

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題型：單項(xiàng)選擇題

Which of the following if addresses can be assigned to host devices?（）

題型：多項(xiàng)選擇題

Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?（）

題型：多項(xiàng)選擇題

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?（）

題型：單項(xiàng)選擇題

A router with a serial interface will be used for an ISDN link.What other function group devices are required to complete the connection to the service provider? （）

題型：多項(xiàng)選擇題