A.ip route 0.0.0.0 0.0.0.0 s0/0/0
B.ip route 0.0.0.0 0.0.0.0 209.165.200.226
C.ip route 209.165.200.0 255.255.255.0 192.168.1.250
D.ip route 192.168.1.0 255.255.255.0 209.165.100.250

A.using adapters and access points manufactured by the same company
B.overlapping the wireless cell coverage by at least 10%
C.configuring all access points to use the same channel
D.utilizing MAC address filtering to allow the client MAC address to authenticate with the surrounding APs

A.AES-CCMP
B.PPK via IV
C.PSK
D.TKIP/MIC

A.transparent
B.auto
C.on
D.desirable
E.blocking
F.forwarding

A.Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link.
B.Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal.
C.Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth.
D.Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive.

A.copier
B.microwave oven
C.toaster
D.cordless phone
E.IP phone
F.AM radio

A.VTP
B.STP
C.ISL
D.802.1Q
E.VLSM

A.buffering
B.cut-through
C.windowing
D.congestion avoidance
E.load balancing

A.Layer 2
B.Layer 3
C.Layer 4
D.Layer 5
E.Layer 6
F.Layer 7

A.By default， all defined VLANs are allowed on the trunk.
B.Each single VLAN， or VLAN range， must be specified with the switchport mode command.
C.Each single VLAN， or VLAN range， must be specified with the vtp domain command.
D.Each single VLAN， or VLAN range， must be specified with the vlan database command.

A.It is supplied by the CSU/DSU.
B.It is supplied by the far end router.
C.It is determined by the clock rate command.
D.It is supplied by the Layer 1 bit stream timing.