單項(xiàng)選擇題A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?()

A. More collision domains will be created.
B. IP address utilization will be more efficient.
C. More bandwidth will be required than was needed previously.
D. An additional broadcast domain will be created.


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1.單項(xiàng)選擇題Which switch would STP choose to become the root bridge in the selection process?()

A. 32768: 11-22-33-44-55-66
B. 32768: 22-33-44-55-66-77
C. 32769: 11-22-33-44-55-65
D. 32769: 22-33-44-55-66-78

3.單項(xiàng)選擇題Where does routing occur within the DoD TCP/IP reference model?()

A. application
B. internet
C. network
D. transport

4.單項(xiàng)選擇題How many addresses for hosts will the network 124.12.4.0/22 provide?()

A. 510
B. 1022
C. 1024
D. 2048

5.單項(xiàng)選擇題For the network 192.0.2.0/23, which option is a valid IP address that can be assigned to a host?()

A. 192.0.2.0
B. 192.0.2.255
C. 192.0.3.255
D. 192.0.4.0