單項選擇題The network default gateway applying to a host by DHCP is 192.168.5.33/28.Which option is the valid IP address of this host？（）

A.192.168.5.55
B.192.168.5.47
C.192.168.5.40
D.192.168.5.32
E.192.168.5.14


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1.單項選擇題Cisco Catalyst switches CAT1 and CAT2 have a connection between them using ports FA0/13.An 802.1Q trunk is configured between the two switches.On CAT1，VLAN10 is chosen as native，but on CAT2 the native VLAN is not specified.What will happen in this scenario？（）

A.802.1Q giants frames could saturate the link.
B.VLAN10 on CAT1 and VLAN1 on CAT2 will send untagged frames.
C.A native VLAN mismatch error message will appear.
D.VLAN10 on CAT1 and VLAN1 on CAT2 will send tagged frames.

2.單項選擇題Which command shows system hardware and software version information？（）

A.show configuration
B.show environment
C.show inventory
D.show platform
E.show version

5.單項選擇題What must be configured on the network in order for users on the Internet to view web pages  located on Web Server 2?（）

A.On router R2， configure a default static route to the 192.168.1.0 network.
B.On router R2， configure DNS to resolve the URL assigned to Web Server 2 to the  192.168.1.10 address.
C.On router R1， configure NAT to translate an address on the 209.165.100.0/24 network to  192.168.1.10.
D.On router R1， configure DHCP to assign a registered IP address on the 209.165.100.0/24  network to Web Server 2.

7.單項選擇題Users on the 192.168.1.0/24 network must access files located on the Server 1. What route could be configured on router R1 for file requests to reach the server?（）

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

8.單項選擇題Which wireless LAN design ensures that a mobile wireless client will not lose connectivity when moving from one access point to another?（）

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

9.單項選擇題Which encryption type does WPA2 use?（）

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

10.多項選擇題Which are valid modes for a switch port used as a VLAN trunk? (Choose three.)（）

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