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Cisco Certified Network Associate(CCNA) Sample Questions:

1. Cisco IOS (originally Internetwork Operating System) is the software used on the vast majority of Cisco Systems routers and all current Cisco network switches. Which two of the following devices could you configure as a source for the IOS image in the boot system command? (Choose two.)

A) flash memory
B) TFTP server
C) NVRAM
D) RAM
E) HTTP server
F) Telnet server

2. In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?

A) during high traffic periods
B) when a dual ring topology is in use
C) when upper-layer protocols require high reliability
D) in an improperly implemented redundant topology
E) after broken links are re-established

3. Refer to the topology and router output shown in the exhibit. A technician is troubleshooting host connectivity issues on the switches. The hosts in VLANs 10 and 15 on Sw11 are unable to communicate with hosts in the same VLANs on Sw12. Hosts in the Admin VLAN are able to communicate. The port-to-VLAN assignments are identical on the two switches. What could be the problem?

A) The link connecting the switches has not been configured as a trunk.
B) Port FastEthernet 0/1 needs to be configured as an access link on both switches.
C) The Fa0/1 port is not operational on one of the switches.
D) A router is required for hosts on SW11 in VLANs 10 and 15 to communicate with hosts in the same VLAN on Sw1 2.
E) At least one port needs to be configured in VLAN 1 for VLANs 10 and 15 to be able to communicate.

4. Refer to the graphic. Host 1 cannot receive packets from Host 2. Assuming that RIP v1 is the routing protocol in use, what is wrong with the IP configuration information shown? (Choose two.)

A) The fa0/1 network on router R2 overlaps with the LAN attached to R1.
B) Host 1 has been configured with the 255.255.248.0 subnet mask.
C) Host 2 has been assigned the incorrect subnet mask.
D) The fa0/1 interface of router R2 has been assigned a broadcast address.
E) Host 2 on router R2 is on a different subnet than its gateway.

5. Which component of VPN technology ensures that data can be read only by its intended recipient?

A) encryption
B) authentication
C) key exchange
D) data integrity

Solutions: