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Cisco Certified Network Associate(CCNA) Sample Questions:

1. Which two data link layers are supported by Cisco IOS Software for IPv6? (Choose two.)

A) Frame Relay SVC
B) Frame Relay PVC
C) FDDI
D) NBMA
E) PPP

2. What is the principle reason to use a private IP address on an internal network?

A) Subnet strategy for private companies.
B) Allow access reserved to the devices.
C) Conserve public IP addresses so that we do not run out of them.
D) Manage and scale the growth of the internal network.

3. Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true? (Choose two.)

A) Router C will use ICMP to inform Router B that Host 2 cannot be reached.
B) Router C will send a Source Quench message type.
C) Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached.
D) Router C will send a Router Selection message type.
E) Router C will send a Destination Unreachable message type.
F) Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.

4. Refer to the exhibit. Some 2950 series switches are connected to the conference area of the corporate headquarters network. The switches provide two to three jacks per conference room to host laptop connections for employees who visit the headquarters office. When large groups of employees come from other locations, the network administrator often finds that hubs have been connected to wall jacks in the conference area although the ports on the access layer switches were not intended to support multiple workstations.
What action could the network administrator take to prevent access by multiple laptops through a single switch port and still leave the switch functional for its intended use?

A) Use the mac-address-table 1 global configuration command to limit each port to one source MAC address.
B) Configure an ACL to allow only a single MAC address to connect to the switch at one time.
C) Implement Port Security on all interfaces and use the port-security maximum 1 command to limit port access to a single MAC address.
D) Implement Port Security on all interfaces and use the port-security mac-address sticky command to limit access to a single MAC address.
E) Configure static entries in the switch MAC address table to include the range of addresses used by visiting employees.
F) Implement Port Security at global configuration mode and use the port-security maximum 1 command to allow each switch only one attached hub.

5. What are the possible trunking modes for a switch port? (Choose three.)

A) auto
B) on
C) desirable
D) transparent
E) forwarding
F) client

Solutions: