多项选择题
What are two reasons a network administrator would use CDP? (Choose two.)（）
A.to verify the type of cable interconnecting two devices
B.to determine the status of network services on a remote device
C.to obtain VLAN information from directly connected switches
D.to verify Layer 2 connectivity between two devices when Layer 3 fails
E.to obtain the IP address of a connected device in order to telnet to the device
F.to determine the status of the routing protocols between directly connected routers
相关考题
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单项选择题
Whywillaswitchneverlearnabroadcastaddress?（）
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. -
单项选择题
WhichadditionalconfigurationstepisnecessaryinordertoconnecttoanaccesspointthathasSSIDbroadcastingdisabled?（）
A.Set the SSID value in the client software to public.
B.Configure open authentication on the AP and the client.
C.Set the SSID value on the client to the SSID configured on the AP
D.Configure MAC address filtering to permit the client to connect to the AP -
多项选择题
WhichthreeLayer2encapsulationtypeswouldbeusedonaWANratherthanaLAN?(Choosethree.)（）
A.HDLC
B.Ethernet
C.Token Ring
D.PPP
E.FDDI
F.Frame Relay
