1.A network administrator wants to control which user hosts can access the network based on their MAC address. What will prevent workstations with unauthorized MAC addresses from connecting to the network through a switch? 
A: BPDU 
B: port security 
C: RSTP 
D: STP 
E: VTP 
F: blocking mode Correct Answers: B 
 
2.Which of the following statements are true regarding the command ip route 172.16.3.0  255.255.255.0 192.168.2.4? (Choose two.) 
A:The command is used to establish a static route. 
B:The default administrative distance is used. 
C:The command is used to configure the default route. 
D:The subnet mask for the source address is 255.255.255.0. 
E:The command is used to establish a stub network.
Correct Answers: A, B 
 
3.After the show ip route command has been entered, the following routes are displayed. Which route will not be entered into the routing table of a neighboring router? 
 
A: R 192.168.8.0/24 [120/1] via 192.168.2.2, 00:00:10, Serial0 
B: R 192.168.11.0/24 [120/7] via 192.168.9.1, 00:00:03, Serial1 
C: C 192.168.1.0/24 is directly connected, Ethernet0 
D: R 192.168.5.0/24 [120/15] via 192.168.2.2, 00:00:10, Serial0 Correct Answers: D 

7.Which of the following is true concerning Frame Relay multipoint subinterfaces? 
A: An IP address is required on the physical interface of the central router. 
B: All routers are required to be fully meshed. 
C: All routers must be in the same subnet to forward routing updates and broadcasts. 
D: Multipoint is the default configuration for Frame Relay subinterfaces. Correct Answers: C 

9.Which functions do routers perform when routing a packet? (Choose two.) 
A:packet switching B:destination host addressing C:path selection D:VLAN membership assignment E:ARP request forwarding Correct Answers: A, C