A.10.10.0.0/18 subnetted with mask 255.255.255.252
B.10.10.0.0/25 subnetted with mask 255.255.255.252
C.10.10.0.0/24 subnetted with mask 255.255.255.252
D.10.10.0.0/23 subnetted with mask 255.255.255.252
E.10.10.0.0/16 subnetted with mask 255.255.255.252
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A.數(shù)據(jù)鏈路
B.網(wǎng)絡(luò)
C.物理
D.傳輸
A.SW1#show swithport port-security interface FastEthernet 0/12
B.SW1# show swithport port-secure interface FastEthernet 0/12
C.SW1# show port-secure interface FastEthernet 0/12
D.SW1#show running-config
E.SW1#show port-security interface FastEthernet 0/12
A.最低端口MAC地址
B.端口的優(yōu)先級號和MAC地址
C.VTP修訂號
D.最高的端口優(yōu)先級數(shù)量
E.路徑開銷(cost)
A.RSTP鏈路故障后顯著減少拓撲聚合時間
B.RSTP通過增加備用和備份角色的消費STP端口角色
C.RSTP端口atates被阻塞,丟棄,learing,或轉(zhuǎn)發(fā)
D.RSTP還使用STP proprsal-協(xié)議序列
E.RSTP使用相同的定時器baseed過程STP上點至點鏈接
F.在點到點鏈路提供比STP更快的傳輸和轉(zhuǎn)發(fā)
A.VTP
B.802.1Q
C.RSTP
D.STP
Refer to the exhibit.A junior network administrator was given the task of configuring port security on SwitchA to allow only PC_A to access the switched network through port fa0/1. If any other device is detected, the port is to drop frames from this device. The administrator configured the interface and tested it with successful pings from PC_A to RouterA, and then observes the output from these two show commands. Which two of these changes are necessary for SwitchA to meet the requirements?()
A.Port security needs to be globally enabled.
B.Port security needs to be enabled on the interface.
C.Port security needs to be configured to shut down the interface in the event of a violation.
D.Port security needs to be configured to allow only one learned MAC address.
E.Port security interface counters need to be cleared before using the show command.
F.The port security configuration needs to be saved to NVRAM before it can become active.
A.IR
B.DSSS
C.FHSS
D.DSSS and FHSS
E.IR, FHSS, and DSSS
A.802.1Q native VLAN frames are untagged by default.
B.802.1Q trunking ports can also be secure ports.
C.802.1Q trunks can use 10 Mb/s Ethernet interfaces.
D.802.1Q trunks require full-duplex, point-to-point connectivity.
E.802.1Q trunks should have native VLANs that are the same at both ends.
A.172.31.17.4/30
B.172.31.51.16/30
C.172.31.64.0/18
D.172.31.80.0/22
E.172.31.92.0/22
F.172.31.192.0/18
A.在二層唯一確定一臺設(shè)備
B.是設(shè)備在不同的網(wǎng)絡(luò)中通信
C.區(qū)別二層和三層幀
D.確定設(shè)備的優(yōu)先級
E.是同一網(wǎng)絡(luò)的不同設(shè)備可以通信
F.當不知道遠程設(shè)備的物理地址時可以查詢
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