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

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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
單項(xiàng)選擇題
How would the number 172 be expressed in binary form?（）
A.10010010
B.10011001
C.10101100
D.10101110
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
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
單項(xiàng)選擇題
The subnet mask on the serial interface of a router is expressed in binary as 11111000 for the last octet. How do you express the binary number 11111000 in decimal?（）
A. 210
B. 224
C. 240
D. 248
E. 252
多項(xiàng)選擇題
You have the binary number 10011101. Convert it to its decimal and hexadecimal equivalents.（）
A. 158
B. 0x9D
C. 156
D. 157
E. 0x19
F. 0x9F
單項(xiàng)選擇題
If a host on a network has the address 172.16.45.14/30, what is the address of the subnetwork to which this host belongs?（）
A. 172.16.45.0
B. 172.16.45.4
C. 172.16.45.8
D. 172.16.45.12
E. 172.16.45.18
多項(xiàng)選擇題
CDP is running between two TestKing devices. What information is supplied by CDP?（）
A. Device identifiers
B. Capabilities list
C. Platform
D. Route identifier
E. Neighbor traffic data
多項(xiàng)選擇題
Which Layer 1 devices can be used to enlarge the area covered by a single LAN segment?（）
A. Switch
B. Router
C. NIC
D. hub
E. Repeater
F. RJ-45 transceiver
多項(xiàng)選擇題
With regard to bridges and switches, which of the following statements are true?（）
A. Switches are primarily software based while bridges are hardware based.
B. Both bridges and switches forward Layer 2 broadcasts.
C. Bridges are frequently faster than switches.
D. Switches typically have a higher number of ports than bridges.
E. Bridges define broadcast domain while switches define collision domains.
F. Both bridges and switches make forwarding decisions based on Layer 2 addresses.

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