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单选题
Why will a switch never learn a broadcast address?（）
A
Broadcasts only use network layer addressing.
B
A broadcast frame is never forwarded by a switch.
C
A broadcast address will never be the source address of a frame.
D
Broadcast addresses use an incorrect format for the switching table.
E
Broadcast frames are never sent to switches.
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更多 “单选题Why will a switch never learn a broadcast address?（）A Broadcasts only use network layer addressing.B A broadcast frame is never forwarded by a switch.C A broadcast address will never be the source address of a frame.D Broadcast addresses use an incorrect format for the switching table.E Broadcast frames are never sent to switches.” 相关考题
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A Ezonexam switch is configured with all ports assigned to VLAN 2. In addition, all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this switch?A．The additions will create more collisions domains.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.E．The possibility that switching loops will occur will increase dramatically.
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When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements? Choose all the valid answer choices)A. Bridges are faster than switches because they have fewer ports.B. A switch is a multiport bridge,C. Bridges and switches learn MAC addresses by examining the source MAC address of each frame. received.D. A bridge will forward a broadcast but a switch will not.E. Bridges and switches increase the size of a collision domain.F. None of the above statements are true.
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The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device?A．To prevent unauthorized hosts from getting access to the LANB．To limit the number of Layer 2 broadcasts on a particular switch portC．To prevent unauthorized Telnet or SSH access to a switch portD．To prevent the IP and MAC address of the switch and associated portsE．None of the above
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VE1 is a switch in the Ezonexam network. Why will VE1 never learn the broadcast address?A. Broadcast frames are never sent to switchesB. A broadcast frame. is never forwarded by a switchC. Broadcasts only use network layer addressingD. A broadcast address will never be the source address of a frameE. Broadcast addresses use an incorrect format for the switching tableF. None of the above
考题
When a DHCP server is configured, which two IP addresses should never be assignable to hosts?()
A. network or subnetwork IP addressB. broadcast address on the networkC. IP address leased to the LAND. IP address used by the interfacesE. manually assigned address to the clientsF. designated IP address to the DHCP server
考题
Why would a network administrator configure port security on a switch()。
A.to prevent unauthorized Telnet access to a switch portB.to limit the number of Layer 2 broadcasts on a particular switch portC.to prevent unauthorized hosts from accessing the LAND.to protect the IP and MAC address of the switch and associated portsE.to block unauthorized access to the switch management interfaces over common TCP ports
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Why would a network administrator configure port security on a switch?（）A、To prevent unauthorized Telnet access to a switch port.B、To limit the number of Layer 2 broadcasts on a particular switch port.C、To prevent unauthorized hosts from accessing the LAN.D、To protect the IP and MAC address of the switch and associated ports.E、To block unauthorized access to the switch management interfaces over common TCP ports.
考题
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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Why would a network administrator configure port security on a switch?（）A、to prevent unauthorized Telnet access to a switch portB、to limit the number of Layer 2 broadcasts on a particular switch portC、to prevent unauthorized hosts from accessing the LAND、to protect the IP and MAC address of the switch and associated portsE、to block unauthorized access to the switch management interfaces over common TCP ports
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When a DHCP server is configured, which two IP addresses should never be assignable to hosts? （）A、network or subnetwork IP addressB、broadcast address on the networkC、IP address leased to the LAND、IP address used by the interfacesE、manually assigned address to the clientsF、designated IP address to the DHCP server
考题
Which two statements accurately describe a broadcast domain?（）A、Broadcast domains consist of devices that connect to a common switch or hub.B、Broadcast domains consist of a group of devices that can be reached by sending a frame addressed to the Layer 2 broadcast address.C、Broadcast domains require a gateway device such as a router.D、Broadcast domains consist of devices that reside on the same sub-network.
考题
Why will a switch never learn a broadcast address?（）A、Broadcasts only use network layer addressing.B、A broadcast frame is never forwarded by a switch.C、A broadcast address will never be the source address of a frame.D、Broadcast addresses use an incorrect format for the switching table.E、Broadcast frames are never sent to switches.
考题
When comparing and contrasting the similarities and differences between bridges and switches, which of the following are valid statements?（）A、Bridges are faster than switches because they have fewer ports.B、A switch is a multiport bridge,C、Bridges and switches learn MAC addresses by examining the source MAC address of each frame received.D、A bridge will forward a broadcast but a switch will not.E、Bridges and switches increase the size of a collision domain.F、None of the above statements are true.
考题
Why will as witch never learn a broadcast address？（）A、Broadcast frames are never sent to swiches.B、Broadcast addresses use an incorrect format for the switching table.C、A broadcast address will never be the source address of a frame.D、Broadcasts only use network layer addressing.E、A broadcast frame is never forwarded by a switch.
考题
What does a Layer 2 switch do if it receives a frame with a destination MAC address that is not found in its MAC address table?（）A、The frame is dropped.B、The frame is addressed with a broadcast MAC address and sent out all ports.C、The frame is sent out all ports except the receiving port.D、An ARP request is sent out all ports except the receiving port.E、A destination unreachable message is sent back to the source address.F、None of the above.
考题
Which of the following protocols would a multilayer switch use to learn the IP address of a directly connected device？（）A、ARPB、BOOTPC、Inverse-ARPD、DNS
考题
单选题Why will as witch never learn a broadcast address？（）A
Broadcast frames are never sent to swiches.B
Broadcast addresses use an incorrect format for the switching table.C
A broadcast address will never be the source address of a frame.D
Broadcasts only use network layer addressing.E
A broadcast frame is never forwarded by a switch.
考题
多选题Which two statements accurately describe a broadcast domain?（）ABroadcast domains consist of devices that connect to a common switch or hub.BBroadcast domains consist of a group of devices that can be reached by sending a frame addressed to the Layer 2 broadcast address.CBroadcast domains require a gateway device such as a router.DBroadcast domains consist of devices that reside on the same sub-network.
考题
单选题Why would a network administrator configure port security on a switch（）。A
to prevent unauthorized Telnet access to a switch portB
to limit the number of Layer 2 broadcasts on a particular switch portC
to prevent unauthorized hosts from accessing the LAND
to protect the IP and MAC address of the switch and associated portsE
to block unauthorized access to the switch management interfaces over common TCP ports
考题
单选题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.
考题
多选题Which of the following are true regarding bridges and switches?（）ABridges are faster than switches because they have fewer ports.BA switch is a multiport bridge.CBridges and switches learn MAC addresses by examining the source MAC address of each frame received.DA bridge will forward a broadcast but a switch will not.EBridges and switches increase the size of a collision domain.
考题
单选题Why will a switch never learn a broadcast address?（）A
Broadcast frames are never sent to swiches.B
Broadcast addresses use an incorrect format for the switching table.C
A broadcast address will never be the source address of a frame.D
Broadcasts only use network layer addressing.E
A broadcast frame is never forwarded by a switch.
考题
单选题Why would a network administrator configure port security on a switch?（）A
To prevent unauthorized Telnet access to a switch port.B
To limit the number of Layer 2 broadcasts on a particular switch port.C
To prevent unauthorized hosts from accessing the LAN.D
To protect the IP and MAC address of the switch and associated ports.E
To block unauthorized access to the switch management interfaces over common TCP ports.
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