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Cisco Certified Network Associate(CCNA) Sample Questions:

1. Refer to the exhibit.

An attempt to deny web access to a subnet blocks all traffic from the subnet. Which interface command immediately removes the effect of ACL 102?

A) no ip access-class 102 in
B) no ip access-list 102 in
C) no ip access-group 102 in
D) no ip access-group 102 out
E) no ip access-class 102 out

2. Which address range efficiently summarizes the routing table of the addresses for router main?

A) 172.16.0.0/18
B) 172.16.0.0/20
C) 172.16.0.0/21
D) 172.16.0.0/16

3. Select the action that results from executing these commands.
Switch(config-if)# switchport port-security
Switch(config-if)# switchport port-security mac-address sticky

A) Statically configured MAC addresses are saved in the running-configuration file if frames from that address are received.
B) A dynamically learned MAC address is saved in the VLAN database.
C) A dynamically learned MAC address is saved in the startup-configuration file.
D) A dynamically learned MAC address is saved in the running-configuration file.
E) Statically configured MAC addresses are saved in the startup-configuration file if frames from that address are received.

4. Which items are correct about the routing protocol OSPF? (Choose three.)

A) It supports VLSM.
B) It allows extensive control of routing updates.
C) It increases routing overhead on the network.
D) It is simpler to configure than RIP v2.
E) It is used to route between autonomous systems.
F) It confines network instability to one area of the network.

5. Refer to the exhibit. The two exhibit devices are the only Cisco devices on the network. The serial network between the two devices has a mask of 255.255.255.252. Given the output that is shown, what three statements are true of these devices? (Choose three.)

A) The CDP information was received on port Serial0/0 of the Manchester router.
B) The London router is a Cisco 2610.
C) The Manchester serial address is 10.1.1.2.
D) The Manchester serial address is 10.1.1.1.
E) The CDP information was sent by port Serial0/0 of the London router.
F) The Manchester router is a Cisco 2610.

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